ATL-NIX-20 PDH + IP Installation Manual _ Rev 1.1

ATL-NIX-20 Installation Guide

ATL-NIX-20 PDH

INSTALLATION GUIDE

ATL-NIX-20 PDH + IP Digital Microwave System

Rev. 1.1 - English

December 2012.

INTERnational


ATL-NIX-20 PDH

Information in this document is relevant only to the AT Communications Hiperion series of Digital Microwave Radio equipment and is subject to change without notice. It is not be used for any other purpose, or any other equipment. No part of this publication may be reproduced or distributed in any form or by any means, electronic or mechanical, for any purpose, without the express written permission of AT Electronic & Communication International Limited. E&OE. © Copyright 2012 by AT Communications Limited, All Rights Reserved.

TRADEMARKS AT Communications Hiperion series® and HINet™ are registered trademarks of AT Electronic & Communication International Limited. Any other products or services referred to in this document are the trademarks, service marks, or product names of their respective holders. DISCLAIMER: The products and specifications, configurations, and other technical information regarding the products contained in this document are subject to change without notice. All the statements, technical information, and recommendations contained in this document are specific to the AT Communications Hiperion series of Digital Microwave Radio equipment and are believed to be accurate and reliable but are presented without warranty of any kind, and users must take full responsibility for the application of any products specified in this manual. IN NO EVENT SHALL AT COMMUNICATIONS LIMITED, OR ITS SUPPLIERS BE LIABLE FOR ANY INDIRECT, SPECIAL, CONSEQUENTIAL, OR INCIDENTAL DAMAGES, INCLUDING, WITHOUT LIMITATION, LOST PROFITS OR LOSS OR DAMAGE TO DATA ARISING OUT OF THE USE OR INABILITY TO USE THIS DOCUMENT, EVEN IF AT COMMUNICATIONS LIMITED HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.


ATL-NIX-20 PDH

CONTENTS

Section Page

1. GLOSSARY OF TERMS ...................................................................................... 11

2. SAFETY NOTICES AND NOTICES ..................................................................... 12

3. SERVICING POLICY AND RETURN OF EQUIPMENT ....................................... 13

4. GENERAL INFORMATION .................................................................................. 14

5. SYSTEM CONFIGURATION ............................................................................... 15

6. PRE-INSTALLATION ........................................................................................... 15

6.1 WARNINGS AND ALERTS .................................................................................. 15

6.2 SITE PLANING .................................................................................................... 16

6.3 GOODS INWARDS INSPECTION ....................................................................... 17

6.4 PREPARATION ................................................................................................... 18

6.5 LIGHTNING PROTECTION ................................................................................. 19

6.6 ANTENNA AND LIGHTNING PROTECTION ....................................................... 20

6.7 ANTENNA ASSEMBLY ....................................................................................... 21

7. IDU DESCRIPTION ............................................................................................. 22

7.1 CAPACITY ........................................................................................................... 22

7.2 IDU FRONT PANEL DESCRIPTION ................................................................... 23

7.3 IDU LABELS ........................................................................................................ 24

8. IDU INSTALLATION ............................................................................................ 24

8.1 IDU CHASSIS ...................................................................................................... 24

8.2 RACK/CABINET MOUNTING THE IDU ............................................................... 25

8.3 DC POWER ......................................................................................................... 25

8.4 GROUNDING THE IDU ....................................................................................... 26

8.5 Powering the IDU ................................................................................................. 26

8.6 IDU visual alarms ................................................................................................. 26

8.7 ETHNERNET PERFORMANCE .......................................................................... 26

9. IDU CONNECTORS AND PORT DEFINITIONS .................................................. 27

10. ANTENNA INTRODUCTION ............................................................................... 29

10.1 ANTENNA INSTALLATION ................................................................................. 30

10.2 KIT OF PARTS .................................................................................................... 30

10.3 Tools Required .................................................................................................... 30


ATL-NIX-20 PDH

10.4 ANTENNA INSTALLATION PROCEDURE .......................................................... 31

10.5 Parabolic Antenna Installation .............................................................................. 31

11. ODU DESCRIPTION ........................................................................................... 33

11.1 ODU INSTALLATION IN UNPROTECTED CONFIGURATION ............................ 34

11.2 SURGE PROTECTOR INSTALLATION ............................................................... 37

11.3 ODU Surge Protector Installation ......................................................................... 37

11.4 Connecting IF Cable ............................................................................................ 37

11.5 Waterproofing Measures ...................................................................................... 38

11.6 IF CABLE ............................................................................................................. 38

11.7 INSTALLED ODU’S ............................................................................................. 40

12. ANTENNA ALIGNMENT ...................................................................................... 40

12.1 ANTENNA PRE-ALIGNMENT ............................................................................. 40

12.2 ANTENNA PAIR IDENTIFICATION ..................................................................... 41

12.3 Antenna Fine-Alignment ...................................................................................... 42

12.4 ANTENNA ADJUSTMENT ................................................................................... 44

12.5 Antenna Elevation Adjustment ............................................................................. 45

13. ATL-NIX-20 SYSTEM SOFTWARE ..................................................................... 45

14. FUNCTIONIONALITY .......................................................................................... 46

15. MONITORING AND NETWORK MANAGEMENT ................................................ 47

16. COMMISSIONING ............................................................................................... 48

17. WEB GUI DESCRIPTION AND PARAMETERS .................................................. 49

17.1 WEB GUI CONFIGURATION .............................................................................. 49

17.2 SYSTEM MANAGEMENT .................................................................................... 52

17.3 Link Alarms .......................................................................................................... 53

17.4 System Information .............................................................................................. 55

17.5 Radio management.............................................................................................. 56

17.6 MODEM MANAGEMENT..................................................................................... 59

17.7 SERVICE MANAGEMENT ................................................................................... 61

17.8 SET VLAN ........................................................................................................... 63

17.9 NETWORK .......................................................................................................... 68

17.10 SYSTEM .............................................................................................................. 70

17.11 MAINTENANCE MANAGEMENT ........................................................................ 74

17.12 ALARM LOGS ..................................................................................................... 75

17.13 RSL LOGS ........................................................................................................... 76

17.14 TEST ................................................................................................................... 77


ATL-NIX-20 PDH

18. THE CIT ............................................................................................................... 79

18.2 CIT top menu ....................................................................................................... 83

18.3 CIT control ........................................................................................................... 85

18.4 Read and Set parameters .................................................................................... 86

19. SET UP A WORKING LINK ................................................................................. 87

19.1 SETUP A WORKING LINK FOR 1 + 0 CONFIGURATION .................................. 87

20. SYSTEM TESTING.............................................................................................. 88

20.1 E1 TRIB LOCAL LOOP ........................................................................................ 88

20.2 IF LOOP .............................................................................................................. 89

20.3 E1 TRIB SYSTEM LOOP ..................................................................................... 89

20.4 LOOP-BACK E1 TESTING .................................................................................. 89

20.5 PRACTICAL E1 TESTING ................................................................................... 90

20.6 ETHERNET TESTING ......................................................................................... 91

20.7 Ethernet Testing .................................................................................................. 92

21. MAINTENANCE ................................................................................................... 97

22. APPENDICES ...................................................................................................... 98

22.1 APPENDIX A: PRBS TEST FUNCTION OVERVIEW .......................................... 98

23. SPECIFICATIONS ............................................................................................. 100

24. RECOMMENDATIONS AND STANDARDS....................................................... 103

25. NOTES: ............................................................................................................. 107


ATL-NIX-20 PDH

INDEX OF FIGURES

Figure Page

Figure 4-1: ATL-NIX-20 TDM Microwave Transmission Solution ......................................... 14

Figure 4-2: AL-NIX-20 Hybrid Microwave Transmission Solution ........................................ 14

Figure 5-1: Unprotected configuration system ..................................................................... 15

Figure 6-1: Grounding of Tower and Equipment. ................................................................. 20

Figure 7-1: IDU Front Panel ................................................................................................ 23

Figure 8-1: Figure 3-1 ATL-NIX-20 Chassis Cooling Diagram ............................................. 25

Figure 8-2: Rack mounting the IDU ..................................................................................... 25

Figure 8-3: IDU Earth Post .................................................................................................. 26

Figure 10-1: U-shape bracket installation 1 ......................................................................... 31

Figure 10-2: U-shape bracket installation 2 ......................................................................... 32

Figure 10-3: Attach antenna to mounting bracket ................................................................ 32

Figure 10-4: Polarization adjustment ................................................................................... 32

Figure 10-5: Installed Antenna ............................................................................................ 33

Figure 11-1: ODU ................................................................................................................ 33

Figure 11-2: Alignment key on antenna ............................................................................... 34

Figure 11-3: Alignment hole on ODU .................................................................................. 35

Figure 11-4: Position ODU onto antenna............................................................................. 35

Figure 11-5: Hook locking buckles ...................................................................................... 35

Figure 11-6: Tighten locking buckles ................................................................................... 36

Figure 11-7: Vertical polarization ......................................................................................... 36

Figure 11-8: Horizontal polarization ..................................................................................... 36

Figure 11-9: Surge protector ............................................................................................... 37

Figure 11-10: Right angle adaptor ....................................................................................... 37

Figure 11-11: Install surge protector .................................................................................... 37

Figure 11-12: Connecting the IF cable to IDU ..................................................................... 38

Figure 11-13: Installed ODU's ............................................................................................. 40

Figure 12-1: Typical RSL Vs RSSI Curve ............................................................................ 41

Figure 12-2: ODU RSSI profile for antenna ......................................................................... 43

Figure 12-3: Panning Antenna ............................................................................................ 43

Figure 12-4: Loosen nuts for azimuth adjustment ................................................................ 44

Figure 12-5: Coarse/fine azimuth adjustment ...................................................................... 44

Figure 12-6: Loosen nuts for elevation adjustment .............................................................. 45


ATL-NIX-20 PDH

Figure 13-1: Software Architecture ...................................................................................... 45

Figure 17-1: Setup for GUI Access...................................................................................... 49

Figure 17-2: Web GUI Log In Screen .................................................................................. 50

Figure 17-3: Window Operation .......................................................................................... 50

Figure 17-4: Summary Window ........................................................................................... 52

Figure 17-5: Equipment Alarm Window ............................................................................... 54

Figure 17-6: Traffic Alarm Window ...................................................................................... 55

Figure 17-7: Inventory Window ........................................................................................... 56

Figure 17-8: ODU Window .................................................................................................. 59

Figure 17-9: MODEM Window ............................................................................................ 60

Figure 17-10: Traffic Window .............................................................................................. 62

Figure 17-11: VLAN Window ............................................................................................... 65

Figure 17-12: VLAN Port Configuration Window ................................................................. 66

Figure 17-13: VLAN List Setting Window ............................................................................ 67

Figure 17-14: Network Configuration Window ..................................................................... 69

Figure 17-15: System Window I .......................................................................................... 71

Figure 17-16: System Window II ......................................................................................... 74

Figure 17-17: Alarm LOGS.................................................................................................. 76

Figure 17-18: RSL LOGS .................................................................................................... 77

Figure 17-19: Inbuilt TEST Equipment Window ................................................................... 78

Figure 18-1: Launch the CIT terminal – step 2 .................................................................... 79






Figure 18-7: CIT Top Menu ................................................................................................. 83

Figure 18-8: CIT Data Set ................................................................................................... 86

Figure 20-1: E1 Tributary Loop Back ................................................................................... 88

Figure 20-2: IF Loop Back ................................................................................................... 89

Figure 20-3: E1 tributary system loop .................................................................................. 89

Figure 20-4: Loop-back test connection diagram ................................................................. 90

Figure 20-5: Practical test connection diagram.................................................................... 90

Figure 20-1: LAN System Loop ........................................................................................... 91

Figure 20-2: LAN line loop .................................................................................................. 92


ATL-NIX-20 PDH

Figure 20-3: Ethernet testing using Ethernet Analyser connection diagram ......................... 92

Figure 20-4: Ethernet testing using PC connection diagram ................................................ 93

Figure 20-5: LAN Speed Test V 1.x Screen Snapshot ......................................................... 93

Figure 20-6: LAN Speed Test V 2.x Screen Snapshot ......................................................... 95

Figure 20-7: LST Server Screen Snapshot .......................................................................... 96


ATL-NIX-20 PDH

INDEX OF TABLES

Table

Page

Table 6-1: Bill of Materials in Shipment ............................................................................... 18

Table 6-2: Lightning Protection Components ...................................................................... 20

Table 7-1: ATL-NIX-20 IDU Summary ................................................................................. 22

Table 7-2: ATL-NIX-20 ETSI Bandwidth and Capacity ........................................................ 22

Table 7-3: ATL-NIX-20 FCC Bandwidth and Capacity ......................................................... 23

Table 7-4: ATL-NIX-20 Front Panel Layout ......................................................................... 23

Table 7-5: Instruction Labels ............................................................................................... 24

Table 8-1: IDU LED Indicator .............................................................................................. 26

Table 8-2: Ethernet Performance ........................................................................................ 27

Table 9-1: IDU ETH Interface Wiring ................................................................................... 27

Table 9-2: ETH Interface LED Indicators ............................................................................. 28

Table 9-3: RJ-45 DS1/T1 and E1 Pin Definitions ................................................................. 28

Table 9-4: NMS Port Definition ............................................................................................ 29

Table 10-1: Antenna Frequency Vs Diameter availability .................................................... 30

Table 11-1: ODU description ............................................................................................... 34

Table 11-2 - IF Cable Types Vs. Length Chart for 48 VDC – All ODU’s .............................. 39

Table 12-1: Typical RSL Vs RSSI Volts .............................................................................. 42

Table 17-1: Link Summary Information ............................................................................... 52

Table 17-2: IDU Alarm Event Group .................................................................................... 54

Table 17-3: ODU Alarm Event Group .................................................................................. 54

Table 17-4: Traffic Interface Alarm Event Group ................................................................. 55

Table 17-5: Inventory Values .............................................................................................. 56

Table 17-6: ODU Parameters .............................................................................................. 59

Table 17-7: MODEM Parameters ........................................................................................ 60

Table 17-8: MODEM Traffic Parameters ............................................................................. 62

Table 17-9: VLAN Parameters ............................................................................................ 65

Table 17-10: VLAN Port Rules ............................................................................................ 66

Table 17-11: VLAN Port Configuration Rules ...................................................................... 67

Table 17-12: VLAN List Setting Rules ................................................................................. 67

Table 17-13: Network Configuration Parameters ................................................................. 70

Table 17-14: System Window I Configuration ..................................................................... 72

Table 17-15: System Window I Configuration ..................................................................... 74


ATL-NIX-20 PDH

Table 17-16: Alarm LOGS Configuration ............................................................................. 76

Table 18-1: CIT Menu Items ................................................................................................ 85

Table 18-2: Keyboard instruction for CIT operation ............................................................. 86

Table 18-3: Examples of Read or Write Parameters ........................................................... 87

Table 26-1: PRBS Test Function Configurable Commands ................................................. 98

Table 29-2: PRBS Test Function Configurable Parameters ................................................ 99


ATL-NIX-20 PDH

1. GLOSSARY OF TERMS

10/100Base-T 10/100Mbps Baseband Unshielded Twisted Pair Cable AGC Automatic Gain Control ACM Adaptive Coding Modulation ALM Alarm ATPC Automatic Transmit Power Control BER Bit Error Rate BERT Bit Error Rate Tester CPU Central Processing Unit CCITT International Telephone and Telegraph consultative committee CIT Craft Interface Terminal DC Direct current DEM Demodulation DEMUX Demodulation Multiplex DS1 Framing spEC+fication for synchronous digital streams at 1.544 Mbit/s. ES Error Second ESD Electro-Static Discharge E1 Framing spEC+fication for synchronous digital streams at 2.048 Mbit/s. ETH Ethernet FPGA Field Programmable Gate Array FTP File Transfer Protocol GND Ground IDU Indoor Unit IF Intermediate Frequency LAN Local Area Network LED Light-Emitting Diode LOS Loss of Signal MIB Management Information Base MDU Modem Unit MUX Multiplexer/ De-multiplexer NMS Network management system ODU Outdoor Unit PDH Plesiochronous Digital Hierarchy RBER Remainder Bit Error Rate RF Radio Frequency RIM Replaceable Interface Module RMT Remote RLTS Received Level Threshold Second RPS Rapid port shutdown RSL Received signal level RSSI Received signal strength indication RSPI Radio Synchronous Physical Interface SSPA Solid State Power Amplifier SNMP Simple network management protocol TCA Threshold Crossing Alarm TIM Trace Identifier Mismatch TX Transmitter


ATL-NIX-20 PDH

2. SAFETY NOTICES AND NOTICES

This document contains safety notices in accordance with appropriate standards. In the interests of conformity International symbols are used.

Trained, authorised personnel must only carry out any installation, adjustment, maintenance or repair of the equipment. At all times, personnel must comply with any safety notices and instructions.

Specific hazards are indicated by symbol labels on or near the affected parts of the equipment. The labels conform to international standards, are triangular in shape, and are coloured black on a yellow background. An informative text label may accompany the symbol label.

Safety notices in the appropriate equipment manual supplement hazard labelling. These notices contain additional information on the nature of the hazard and may also specify precautions.

Warning: Please draw to the attention of personnel to hazards, which may cause death or injury to the operator or others. Examples of use are cases of high voltage, laser emission, toxic substances, point of high temperature, etc.

This equipment operates at High Voltage.

A qualified and licensed Electrical Contractor must carry out any electrical work including connection and disconnection of the equipment.

At Electronic & Communication International Limited is not responsible for any damage or injury caused by incorrect or faulty electrical installation.

Alert: Please draw to the attention of personnel to hazards, which may cause damage to the equipment. An example of use is the case of static electricity hazard.

Caution notices may also be used in the handbook to draw attention to matters that do not constitute a risk of causing damage to the equipment but where there is a possibility of seriously impairing its performance, e.g. by mishandling or gross maladjustment. Warnings and Cautions within the main text do not incorporate labels and may be in shortened form.


ATL-NIX-20 PDH

3. SERVICING POLICY AND RETURN OF EQUIPMENT

The repair of individual units and modules of this equipment is not considered possible without factory facilities. It is, therefore, the policy of ATEC+L that faulty units or modules are returned to the local ATCIL office for repair.

To enable an efficient, prompt after sales service to be provided for the diagnosis, repair and return of any faulty equipment, please comply with the following requirements.

Before any item is returned, a request for the Return Materials Authorisation (RMA) number must be requested by contacting the nearest ATEC+L Links office by email or fax.

The Numbered RMA form will be returned from the nearest ATEC+L Links office by email or fax.

ATEC+L will not be responsible for any items sent to ATEC+L without first requesting a RMA number.

Items to be sent for repair must be insured and packaged so as to provide both maximum electrostatic and physical protection and the completed RMA Form giving the required information must be included.

ATEC+L will not be responsible for any items sent to ATEC+L, which are damaged in freight and transport. Physical damage will also void any applicable warranty.

This request must be included with the item for repair, items for repair should be sent to the nearest ATEC+L office or affiliate from the following list: Africa email: [email protected] FAX: +27 8 6510 5556 Americas email: [email protected] FAX: +1 41 6352 5966 Asia email: [email protected] Australia, New Zealand, and Pacific email: [email protected] FAX: +61 7 3351 1423 Europe email: [email protected] FAX: +44 20 7681 2989 Russia and CIS email: [email protected] Middle East email: [email protected]

mailto:[email protected]








ATL-NIX-20 PDH

4. GENERAL INFORMATION

The Hiperion Digital Microwave Radios (DMR) allows transmission links to be established rapidly and easily to meet a variety of transmission needs, brings cost savings and helps rapid network rollout. This solution comprises of: antenna, outdoor unit and indoor unit. The Hiperion ATL-NIX-20 digital microwave radio link is a full-featured PDH and IP transmission solution designed to seamlessly incorporate radio links into a wide range of infrastructure, working across a variety of frequencies from 6 GHz to 38 GHz and meeting carrier-grade standards for reliability, quality and environmental compliance. The ATL-NIX-20 offers Native DS1/E1 and Native Ethernet service interfaces, according to the network demands to provide TDM microwave, Hybrid microwave and IP microwave integrated solutions.

Figure 4-1: ATL-NIX-20 TDM Microwave Transmission Solution

Figure 4-2: AL-NIX-20 Hybrid Microwave Transmission Solution


ATL-NIX-20 PDH

Support for TDM microwave to Hybrid microwave, Hybrid microwave to IP microwave ensures a smooth upgrade path. This system meets the current 2G/3G network transmission requirements. The ATL-NIX-20 employs advanced designs and manufacturing techniques that ensure high reliability and long product life and with its advanced mechanical design, the ML-NIX-20 system enables quick and fault-free installation and delivers durable high availability, even in the harshest environments. This manual covers the installation and maintenance of ATL-NIX-20 IDU (Indoor Unit) and is intended to be read in conjunction with the Hiperion Antenna Installation Manual and the Hiperion ODU Installation Manual.

5. SYSTEM CONFIGURATION

The following configurations are supported: Unprotected (1+0)

Figure 5-1: Unprotected configuration system

6. PRE-INSTALLATION

6.1 WARNINGS AND ALERTS

6.1.1 Radio Frequency Energies

There may be situations, particularly in workplace environments, near high- powered RF sources, where recommended limits for safe exposure of human beings to RF energy, could be exceeded. In such cases, care may be necessary to ensure the safe use of and minimal exposure to RF energy. 6.1.2 High Voltage

The equipment has been designed and constructed to prevent, as far as reasonably practicable any danger.

IDU ODU 1 f1 ODU 1 IDU

Traffic

TX RX

f2

IF

cable

IF

cableTraffic

IDU ODU 1 f1 ODU 1 IDU

Traffic

TX RX

f2

IF

cable

IF

cableTraffic


ATL-NIX-20 PDH

Any work activity on or near equipment involving installation, operation or maintenance must be as reasonably possible free from danger. Consideration must be given to the installation, where there is a risk of damage to electrical systems caused by adverse weather, extreme temperatures, wet, corrosive or dirty conditions, flammable or an explosive atmosphere. The equipment must be suitably installed to prevent or be exposed any dangerous conditions. A qualified and licensed Electrical Contractor must carry out any electrical work including connection and disconnection of the equipment. 6.1.3 Protective Earthing

Any equipment provided for the purpose of protecting individuals from electrical risk must be suitable for the purpose, properly maintained and staff must be trained in its used. 6.1.4 Handling Precautions

This covers a range of activities including lifting, lowering, pushing, pulling, carrying, moving, holding or restraining an object, animal or person. It also covers activities which require the use of force or effort such as pulling a lever, or operating power tools. Ensure that all staff members involved with the installation, commissioning or maintenance of the equipment have received the relevant training and are equipped with appropriate facilities to handle the equipment including large antennas. 6.1.5 ESD

The equipment is manufactured using Electrical Static Discharge (ESD) devices. Observe standard precautions for handling ESD - sensitive devices.

Assume that all solid-state electronic devices are ESD-sensitive.

Ensure use of a grounded wrist strap or equivalent while working with ESD-sensitive devices.

Transport, store, and handle ESD-sensitive devices in static-safe environments. 6.2 SITE PLANING

6.2.1 Site Considerations

The ODU is designed for outdoor operation when correctly installed.


ATL-NIX-20 PDH

Temporary protection should be taken during installation or maintenance in an outdoor environment. The equipment must not be installed or maintained in bad weather (e.g. storm, extreme temperatures and high humidity). 6.2.2 Installation Location

The mounting structure must be suitable to support the equipment weight as specified in the datasheet; including and wind loading that may apply. 6.2.3 Environmental

Humidity can affect the reliability of the equipment. It is recommended to install the equipment in the location having stable temperature and un-restricted airflow. 6.2.4 Grounding Requirement

Verify the equipment has been well grounded; this includes IDU, ODU and all cables connected. Ensure lightning protection for the antennas is properly grounded. 6.2.5 Manual Handling

During transportation and installation, take necessary handling precautions to avoid any potential physical injury to the installation related personnel and/or damage to the equipment. 6.3 GOODS INWARDS INSPECTION

Verify the number of packages received against the packing list.

Check all packages for external damage; report any external damage to the shipping carrier. If there is damage, a shipping agent should be present before unpacking and inspecting the contents because damage caused during transit is the responsibility of the agent.

Open and check each package (do not remove any items from anti-static packaging) against the packing list. In the instance where items are missing or damaged, please contact AT Electronic & Communication International Limited within 24 hours of receiving the shipment.


ATL-NIX-20 PDH

6.3.1 Typical Link Shipment

Product Identifier

Description

Qty. Notes

1+0

ODU Tx Low Outdoor Unit, Tx Low Band 1

ODU Tx High Outdoor Unit, Tx High Band 1

IDU Indoor Unit 2

BVV2.5 Grounding cable, 2m, yellow and green 2

OT2.5-6 Earth terminal 2

1-178128-2 Power supply cable, 5m, 2 x 0.75, black and red 2

TNC (M)-N(F) Coax Tail, TNC (M) to “N” Type (F), 1m 2

IF Cable 50 Ohm, Low Loss, 100% Screen Coax Cable 2

Optional

AD-NM/NFR Right angle adaptor 2

AN10MF70 Surge protector 4

RSSI RSSI cable, BNC 2

Ethernet cable RJ45, 2.5m 2

or

Screwdriver Philips 2

Open Spanner 14mm-17mm 4

8mm-10mm 2

Test Report 1

ATL-CDR Equipment Manuals on CDROM 1

Table 6-1: Bill of Materials in Shipment

Do not remove items from antistatic packing until ready for installation. If damage is discovered at the time of installation, contact the shipping agent.

The following items deserve for special attention:

Check and ensure all the accessories and installation tools on the packing list are included;

Check if the model number is consistent with the order. Pay attention to the working frequency and capacity;

Check if the antenna’s diameter and its working frequency are consistent with the order.

6.4 PREPARATION

Control and safety measures should be in place before any staff member starts working at heights. Listed below are the three levels of control measure available to protect customer from the risk of a fall, in order of preference, are:


ATL-NIX-20 PDH

Erecting a physical barrier

Providing personal fall protection

Measures to “catch” a falling person.

6.5 LIGHTNING PROTECTION

Give consideration to the installation location to ensure that the maximum effective lightning protection is applied to the ODU and antenna. 6.5.1 Grounding the Antenna

To ensure the system is protected from lightning damage, it is vital that the antenna is effectively grounded. The tower or mast and lightning protection must be connected to the same common ground point using a low-resistance bonding conductor. A good electrical connection from the antenna and ODU to the tower or mast using a large diameter ground wire and non-corrosive hardware. The grounding system must comply with electrical codes and safety standards that apply to the installation location. Verify the grounding operation is conducted by a qualified electrician to get rid of potential risks and damages. The ground must be periodically checked for low “Earth Resistance” and corrosion.


ATL-NIX-20 PDH

Figure 6-1: Grounding of Tower and Equipment.

6.6 ANTENNA AND LIGHTNING PROTECTION

Lightning protection is designed to protect people, property and equipment from injury or damage from both a local and near by adjacent lightning discharge. Sound lightning protection design is an indispensable element of a grounding system used to protect the equipment from transient and/or electrostatic discharge. The components required to protect the microwave radio installation are as follows:

Part No ATL-AN10MF70 (One Surge Arrestor is installed at each end of the IF Cable) 1 + 0 Link configuration: 4 x Surge Arrestor

Grounding kit, CL-8D - AT-CN-8-Ground The Ground Kit is installed at the point of entry into the equipment room or shelter. One Ground Kit per IF Cable

Table 6-2: Lightning Protection Components

Separate Lightning Strap

Bonded To Tower and Ground

Earth Mat or Grounding System Under Radio Station

Steel Tower Members

Earthed At Base

Antenna Cables Run

Away From Lightning

Conductor

Cone of Protection Afforded

By Lightning Arrestor

Antennas Mounted Below Top

Of Structure Where Possible

Equipment BondedTo Earth Mat

At Common Point

Incoming Cables

Earthed on Entry

Earth Bar Around Equipment Room

Common Point of Bonding for All Earths(but must be very effective)

Bonding of Waveguide/Coax

to Cable Tray @ Key Points


ATL-NIX-20 PDH

For optimal protection, one Surge Arrestor is located at the “N-Type” connector of the ODU and the other is located at the “N-Type” connector of the IDU.

The Ground Kit is installed on the IF Cable at the point of entry into the equipment room or shelter or building. As the Surge Arrestor is designed to be sacrificial, the location should allow for easy installation and removal. 6.7 ANTENNA ASSEMBLY

Antennas which have multiple components must be re-assembled carefully to ensure mechanical performance is achieved. 6.7.1 Feeder Cable Assembly

Take normal precautions when preparing and handling feeder cables and waveguides to ensure they are not damaged by their own weight. Cable should not be pulled with a radius less than that determined for the installed cable/waveguide. Due to limitations of side bearing pressure, it is recommended that larger radius bends be used. Inspect the cable/waveguide ends for small metal fragments; remove unwanted objects before each connector is installed. Always protect the cables and waveguides from damage, use cable clips where needed. 6.7.2 Moisture Proofing

Extreme care should be exercised with waveguides before and after installation to ensure that moisture does not enter the waveguide. Keep the waveguide dry while in storage with ends tightly capped. Connectors, and fittings, to be located outdoors should be made mechanically tight, and with any factory supplied sealing fittings installed. Moisture problems in antenna systems are usually traced back to connectors which have NOT been properly protected. Moisture protection may be required which includes, dry nitrogen, compressors or dehydrators.


ATL-NIX-20 PDH

6.7.3 Drip-Loop

AT Electronic & Communication Limited International recommends that every horizontal cable entry to the antenna feed, forms a 'U' before its entry to equipment and antenna. This prevents any accumulation of water on the cable. 6.7.4 Antenna Connections

The antenna has been designed for all cable/waveguide entries from the rear of the antenna feed assembly.

7. IDU DESCRIPTION

The ATL-NIX-20 IDU’s are the indoor unit of the ML-NIX-20 system, providing complete service access, IF processing, system communication and control functions.

Item Performance

IDU Height Balanced 120Ω, 0.5RU, Unbalanced 75Ω, 1.5UU

RF Single carrier per side, Full Duplex

Configuration 1 + 0 non-protection

Table 7-1: ATL-NIX-20 IDU Summary

7.1 CAPACITY

The system capacity is related to the selected channel bandwidth, The ATL-NIX-20 has a maximum capacity of 34 Mbps. Programmable capacity between IP and TDM services is supported.

Modulation Channel Bandwidth System Capacity Max. E1 Channels

QPSK 3.5 MHz 4 Mbps 2

QPSK 7 MHz 8 Mbps 4

QPSK 14 MHz 16 Mbps 8

QPSK 28 MHz 34 Mbps 16

Table 7-2: ATL-NIX-20 ETSI Bandwidth and Capacity


ATL-NIX-20 PDH

Modulation Channel Bandwidth System Capacity Max. DS1/T1

Channels

QPSK 2.5 MHz 3 Mbps 2

QPSK 5 MHz 6.2 Mbps 4



Table 7-3: ATL-NIX-20 FCC Bandwidth and Capacity

7.2 IDU FRONT PANEL DESCRIPTION

Figure 7-1: IDU Front Panel

No. Port Connector Quantity Connect Cable

1 DS1-T1/E1 RJ-45 16 Network cable

2 ETH RJ-45 4 Network cable

3 CIT (Serial) RJ-45 1 RS232-RJ45 cable

4 IF port TNC female 1 TNC to N-type IF cable

5 Power Switch - 1 -

6 DC Power Polarized plug 1 Red/black power cable

7 Grounding M8 screw 1 Grounding cable

Table 7-4: ATL-NIX-20 Front Panel Layout

1

1

2 3 5 7

6 4


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7.3 IDU LABELS

The ATL-NIX-20 IDU has a product nameplate, grounding point and operational warning labels. The installer/end user should be familiar with the meaning of these labels and follow the label instructions to avoid personal injury or damage to equipment. Labels instruction is shown in the following table. Depending on the configuration of the IDU (0.5U / 1.5U), details of the specific label may differ.

Label Type Instruction

Grounding point label Indicate grounding connect

position

-48V 5A

Power rating label Power source must be -48V

DC and current lower than

5A

Power operation warning

label

Turn off the system power

before disconnect IF cable

Operating instructions

label

The switch must be pull up

and toggle to "ON" or "OFF"

position

Product nameplate Product name and serial

Table 7-5: Instruction Labels

Figures below show the front panel of ATL-NIX-20 variants: 4E1 and 8E1 IDU with unbalanced tributary interface

8. IDU INSTALLATION

8.1 IDU CHASSIS

The ATL-NIX-20 IDU is a 0.5RU or 1.5RU standard height chassis, supporting a variety of installations with easy and flexible deployment. ATL-NIX-20 Balanced IDU chassis is 22mm x 438mm x 280mm (H x W x D), and supports a passive cooling system.


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ATL-NIX-20 Unbalance IDU chassis is 66mm x 438mm x 280mm (H x W x D), and supports a passive cooling system.

Figure 8-1: Figure 3-1 ATL-NIX-20 Chassis Cooling Diagram

8.2 RACK/CABINET MOUNTING THE IDU

The IDU is designed for installation in a standard 19” (486mm) rack or cabinet. The mounting tabs are attached onto IDU before shipping. Follow the steps below to mount the IDU onto rack/cabinet:

Locate the IDU at the desired rack mounting position.

Allow space above the chassis to allow fort he passive cooling

With four mounting screws, secure mounting tabs to the rack.

The rack mounting of the IDU is now complete.

Figure 8-2: Rack mounting the IDU

8.3 DC POWER

The ATL-NIX-20 IDU requires a -48V DC power source. The Site Power Positive electrode must connect to ground. If the Power Supply voltage is not in normal range (-36V DC to -72V DC), the ATL-NIX-20 system will not function correctly, and possibly damage will be caused to ATL-NIX-20 IDU.


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8.4 GROUNDING THE IDU

The IDU should be properly grounded before connecting any other cables. A screw terminal located on the IDU frame is used for grounding. This ground terminal must be electrically connected to the site earth ground using the supplied cable BVV 2.5.

Figure 8-3: IDU Earth Post 8.5 POWERING THE IDU

A DC power cable is used for the power supply to the ATL-NIX-20 IDU through the power connector located on the front panel. To connect the power cable to the power source, the following items must be noted. Make sure the IDU power is OFF.

Connect the red wire to the “+“Terminal of the power source. Connect the black wire to the “-” Terminal of the power source.

Before connecting the power cable to the equipment, check and ensure the voltage and polarity meet the requirements with a multi-meter.

8.6 IDU VISUAL ALARMS

Indicator Status Description

RUN On (Green) System normal operation

Off No power in or system boot failure

IDU ALM On (Red) The system has a IDU alarm

Off IDU normal operation

ODU ALM On (Red) The system has a ODU alarm

Off ODU normal operation

Table 8-1: IDU LED Indicator

8.7 ETHNERNET PERFORMANCE

The ATL-NIX-20 provides a basic Layer 2 Ethernet processing function.


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Item Performance

Service Type Ethernet VLAN or Separate Ethernet

Frame Size Up to 2000 Bytes

VLAN Supports IEEE 802.1q VLAN label add and delete

MAC Address MAC address table size up to 2K

Flow Control Supports IEEE 802.3x standard flow control

Table 8-2: Ethernet Performance

9. IDU CONNECTORS AND PORT DEFINITIONS

IF interface: Interface type: 50 Ohm, TNC Female type

Table 9-1: IDU ETH Interface Wiring

ETH interface: The ATL-NIX-20 system support 4 ports 10/100Mbps Fast Ethernet, and each port supports MDI and MDI-X auto-negotiation mode. Bit Rate: 10/100Mbit/s Interface type: RJ-45

Pin No.

10/100 BASE-T MDI 10/100 BASE-T MDI-X

Signal Function Signal Function

1 RX+ (OUTPUT) TX+ ( INPUT )

2 RX- (OUTPUT) TX- ( INPUT )

3 TX+ ((INPUT ) RX+ (OUTPUT)

4 Reserved Reserved

5 Reserved Reserved

6 TX- (INPUT) RX- ( OUTPUT )

7 Reserved Reserved

8 Reserved Reserved


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Table 9-2: ETH Interface LED Indicators

DS1/T1 Interface Bit Rate: 1544 kbit/s ± 50ppm Code: HDB3 Impedance: 100 Ω (balanced) RJ45

E1 Interface Bit Rate: 2048 kbit/s ± 50ppm Code: HDB3 Impedance: 75 0Ω (unbalanced) BNC

E1 Interface Bit Rate: 2048 Kbit/s ± 50ppm Code: HDB3 Impedance: 120Ω (balanced) RJ45

Pin No. DS1/T1 E1

Signal Function Signal Function

1 RX+ (Ring) Send data (+) RX+ (Ring) Send data (+)

2 RX - (Tip) Send data (－) RX - (Tip) Send data (－)

3 GND Ground GND Ground

4 TX+ (Ring) Receive Data (+) TX+ (Ring) Receive Data (+)

5 TX - (Tip) Receive Data (－) TX - (Tip) Receive Data (－)

6 GND Ground GND Ground

7 Reserved - Reserved -

8 Reserved - Reserved -

Table 9-3: RJ-45 DS1/T1 and E1 Pin Definitions

Indicator Status Description

Green (ACT)

On or flash Port is sending and receiving data

Off Port is not sending and receiving data

Yellow (LINK)

On Link is connected in a normal manner

Off Link is disconnected


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CIT interface Interface type: RS232 - RJ-45

Bit Rate: 19200bit/s Data Bits: 8 Parity: None Stop Bits: 1 Flow Control: None Emulation: VT100 Protocol: RS-232 Interface type: RJ45

Pin No. Pin Out

1 RTS (Request To Send)

2 DTR (Data Terminal Ready)

3 TX (Transmit)

4 GND (Signal Ground)

5 GND (Signal Ground)

6 RX (Receive)

7 DSR (Data Set Ready)

8 CTS (Clear To Send)

Table 9-4: NMS Port Definition

10. ANTENNA INTRODUCTION

The Microwave Antenna is of a parabolic design that consists of a reflector, feed and tower mount. Typically, there are two types of antenna: High Performance (HP) Parabolic Antenna and Standard Performance (SP) Parabolic Antenna. With the additional of a shroud and radome, the HP Parabolic Antenna has superior Front/Back Ratio as well as excellent anti-corrosion proofing properties. The antenna is used for directing the RF energy into and out of the ODU in a particular direction. ATECIL provides a wide range of Parabolic Antennas with different sizes for all operating bands of our ATECIL product line. The table below list all antennas available by radome size and frequency band.


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Freq (GHz)

7 8 10.5/ 11

13 15 18 23 26 32 38 Size (m)

0.3 X X

0.6

0.8

1.2 X

1.5 X X

1.8 X X X

2.0 X X X X

2.4 X X X X X

3.0 X X X X X

Table 10-1: Antenna Frequency Vs Diameter availability

10.1 ANTENNA INSTALLATION

10.2 KIT OF PARTS

The antennas are shipped to the customer in either a cardboard carton for the small antennas or a wooden container. Antennas are shipped with partially pre-assembled mounts, other items typically packed with the antenna include:

A Ring spanner

Silicon sealant The antenna assembly is made up of three main components:

Radome and feed assembly

Mounting Bracket

Pole mounting clamps 10.3 TOOLS REQUIRED

Philips screwdriver

Open Spanner


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10.4 ANTENNA INSTALLATION PROCEDURE

With the complete antenna packaging moved to the final installation site, exercise care in the use of the tools used to open and remove the lid. Ample packaging material, protecting the antenna during shipment, may be discarded with the packaging container at the end of the installation. The antenna is pre-assembled including all the mounting fixtures prior to shipment. Before commencing with pole or tower mounting, the installer needs to unscrew and remove the mounting screws and bolts. The antenna mounting rack can then be separated from the equipment in preparation for subsequent installation. Depending on antenna provided, it may be necessary to construct the antenna on site before installation. This section uses the 0.3 m and 0.6 m antenna installation as examples. Refer to the publication “ATL-Hiperion Antenna Installation Guide” for the installation of other antenna sizes. 10.5 PARABOLIC ANTENNA INSTALLATION

Locate and position the antenna onto the mounting pole, identify the U-shape bracket, assemble and mount to the pole.

Hold the mounting rack with one hand, and mount the two U-shape brackets onto the upper and lower pairs of the M10 bolts with the other hand.

U-shape brackets M10 bolt

Figure 10-1: U-shape bracket installation 1

Verify that the spring washers and nuts are applied to the two pairs of bolts before securing the pole mount component of the antenna.


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Figure 10-2: U-shape bracket installation 2

Attach the antenna to the mounting bracket. Insert the adjustment level and two M10 bolts and tighten them with a spanner to secure the installation of the antenna.

M10 bolt Adjustment level

Figure 10-3: Attach antenna to mounting bracket

Align the antenna polarization by loosening the polarization adjustment bolts and rotate the feed flange to the required orientation. Figure below shows the horizontal polarization, rotate 90 degrees to achieve vertical polarization.

Polarization adjustment bolts

Figure 10-4: Polarization adjustment


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At this step, the Antenna is installed onto the mounting pole, seen as the following figure:

Figure 10-5: Installed Antenna

11. ODU DESCRIPTION

The ODU’s are of very high performance, maintaining full performance across the entire temperature range. The Figure below shows the ODU. Waveguide Port GND RSSI Interface Locking Buckle IF Interface

Figure 11-1: ODU


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Interface Identifier Type Description

Waveguide Port Connection between ODU and antenna

GND Terminal post Enclosure ground connection

RSSI BNC RSSI interface

Locking Buckle Secures ODU onto antenna

IF Interface N-type N-type jack (female) for interconnection of the IF

cable to the IDU

Table 11-1: ODU description

Refer to the publication “ATL-Hiperion ODU Installation Manual” for the installation procedure.

11.1 ODU INSTALLATION IN UNPROTECTED CONFIGURATION

11.1.1 ODU Installation to Antenna

The ODU is mounted directly onto the rear of the antenna. Align antenna polarization (see Section 10.4 for details of antenna polarisation alignment). Align ODU onto antenna by matching the alignment holes on the ODU with the alignment keys on antenna. See figures below. Prior to assembly, lubricate the Interface “O-Ring” with the supplied Silicon Grease.

Do not allow any of the Grease to enter the waveguide aperture.

Alignment Key

Figure 11-2: Alignment key on antenna


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Alignment hole

Figure 11-3: Alignment hole on ODU

Attach ODU onto the rear of antenna and hook each locking buckle (see figures below).

Locking buckle

Hook

Figure 11-4: Position ODU onto antenna

Figure 11-5: Hook locking buckles


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Latch each locking buckle.

Figure 11-6: Tighten locking buckles

Verify the waveguide port on the ODU is connected properly with the feed flange on the antenna before tightening each locking buckle.

Shown below, vertical polarization is indicated by an upward pointing arrow. Horizontal polarization is with the ODU rotated 90° clockwise.

Figure 11-7: Vertical polarization

Figure 11-8: Horizontal polarization


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11.2 SURGE PROTECTOR INSTALLATION

To maximise lightning protection two surge protectors should be used per length of IF cable. One is installed at the IDU N-Type connector on the front panel, and one is installed at the ODU.

Figure 11-9: Surge protector

Figure 11-10: Right angle adaptor

11.3 ODU SURGE PROTECTOR INSTALLATION

The surge protector is installed at the “IF” N-Type connector and the earth post of the surge protector is connected with the grounding wire of the ODU to the grounding terminal of the building ground point, or tower ground. Surge protector Grounding wire

Figure 11-11: Install surge protector

11.4 CONNECTING IF CABLE

This refers to the connection between ODU and IDU. Before connecting the IF cable, ensure that the IDU is powered OFF.


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Locate and connect the IF cable to the N-type connector of the installed surge protector, and the other end of the IF cable goes to the surge protector which is installed on the “IF” interface on the IDU.

Figure 11-12: Connecting the IF cable to IDU

11.5 WATERPROOFING MEASURES

After all the screws, bolts and nuts are tightened, seal the surge protector assembly and connector of the IF cable using self vulcanising tape or silicon sealant. Cover either of these methods with a UV resistant waterproof tape. 11.6 IF CABLE

The design of the Outdoor Unit allows low cost coaxial cable to be used to interconnect the IDU to the ODU.

Note: ATECIL recommends the use of low loss, 100% shield coaxial cable with an Ultra Violet stabilised outer jacket.


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Cable LMR-600 LMR-400 LMR-240 LMR-200

Diameter 15 mm 10.3 mm 6.1 mm 4.95 m

Distance (m)

Distance (y)

Loss @ 140 MHz in dB








10 10.9 0.31 0.53 0.49 0.84 0.95 1.63 1.41 2.4

20 21.9 0.61 1.06 0.97 1.67 1.91 3.26 2.81 4.81

30 32.8 0.92 1.59 1.46 2.51 2.86 4.9 4.22 7.21

40 43.8 1.22 2.12 1.95 3.35 3.82 6.53 5.63 9.61

50 54.7 1.53 2.65 2.43 4.18 4.77 8.16 7.03 12.02

60 65.7 1.83 3.18 2.92 5.02 5.73 9.79 8.44 14.42

70 76.6 2.14 3.71 3.41 5.86 6.68 11.42 9.85 16.82

80 87.6 2.44 4.24 3.89 6.69 7.64 13.05 11.26 19.23

90 98.5 2.75 4.77 4.38 7.53 8.59 14.69 12.66 21.63

100 109.4 3.05 5.3 4.87 8.36 9.55 16.32 14.07 24.03

110 120.4 3.36 5.83 5.35 9.2 10.5 17.95 15.48 26.44

120 131.3 3.66 6.36 5.84 10.04 11.46 19.58 16.88 28.84

130 142.3 3.97 6.89 6.33 10.87 12.41 21.21 18.29 31.24

140 153.2 4.27 7.42 6.81 11.71 13.37 22.84 19.7 33.65

150 164.2 4.58 7.95 7.3 12.55 14.32 24.48 21.1 36.05

160 175.1 4.88 8.48 7.79 13.38 15.28 26.11 22.51 38.45

170 186.1 5.19 9.01 8.27 14.22 16.23 27.74 23.92 40.86

180 197.0 5.49 9.54 8.76 15.06 17.19 29.37 25.32 43.26

190 207.9 5.8 10.07 9.25 15.89 18.14 31 26.73 45.66

200 218.9 6.1 10.6 9.73 16.73 19.1 32.63 28.14 48.07

210 229.8 6.41 11.12 10.22 17.57 20.05 34.27 29.55 50.47

220 240.8 6.71 11.65 10.71 18.4 21.01 35.9 30.95 52.87

230 251.7 7.02 12.18 11.19 19.24 21.96 37.53 32.36 55.28

240 262.7 7.32 12.71 11.68 20.08 22.92 39.16 33.77 57.68

250 273.6 7.63 13.24 12.17 20.91 23.87 40.79 35.17 60.08

260 284.6 7.94 13.77 12.65 21.75 24.83 42.42 36.58 62.49

270 295.5 8.24 14.3 13.14 22.58 25.78 44.06 37.99 64.89

280 306.4 8.55 14.83 13.63 23.42 26.74 45.69 39.39 67.29

290 317.4 8.85 15.36 14.11 24.26 27.69 47.32 40.8 69.7

300 328.3 9.16 15.89 14.6 25.09 28.65 48.95 42.21 72.1

310 339.3 9.46 16.42 15.09 25.93 29.6 50.58 43.62 74.5

320 350.2 9.77 16.95 15.57 26.77 30.56 52.22 45.02 76.91

330 361.2 10.07 17.48 16.06 27.6 31.51 53.85 46.43 79.31

340 372.1 10.38 18.01 16.55 28.44 32.47 55.48 47.84 81.71

350 383.1 10.68 18.54 17.03 29.28 33.42 57.11 49.24 84.12

360 394.0 10.99 19.07 17.52 30.11 34.38 58.74 50.65 86.52

370 404.9 11.29 19.6 18.01 30.95 35.33 60.37 52.06 88.92

380 415.9 11.6 20.13 18.49 31.79 36.29 62.01 53.46 91.33

390 426.8 11.9 20.66 18.98 32.62 37.24 63.64 54.87 93.73

400 437.8 12.21 21.19 19.47 33.46 38.2 65.27 56.28 96.13

410 448.7 12.51 21.72 19.95 34.29 39.15 66.9 57.68 98.54

420 459.7 12.82 22.25 20.44 35.13 40.11 68.53 59.09 100.94

430 470.6 13.12 22.78 20.93 35.97 41.06 70.16 60.5 103.34

440 481.6 13.43 23.31 21.41 36.8 42.02 71.8 61.91 105.75

450 492.5 13.73 23.84 21.9 37.64 42.97 73.43 63.31 108.15

460 503.4 14.04 24.37 22.39 38.48 43.93 75.06 64.72 110.55

470 514.4 14.34 24.9 22.87 39.31 44.88 76.69 66.13 112.96

480 525.3 14.65 25.43 23.36 40.15 45.84 78.32 67.53 115.36

490 536.3 14.95 25.96 23.85 40.99 46.79 79.95 68.94 117.76

500 547.2 15.26 26.49 24.33 41.82 47.75 81.59 70.35 120.17

Table 11-2 - IF Cable Types Vs. Length Chart for 48 VDC – All ODU’s


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11.7 INSTALLED ODU’S

The figures below present the final appearance of the installed ODU in unprotected and protected system after implementing the installation of antenna, ODU and cables.

Figure 11-13: Installed ODU's

12. ANTENNA ALIGNMENT

12.1 ANTENNA PRE-ALIGNMENT

12.1.1 Tools Required

• Compass

• Inclinometer

• Spanners

12.1.2 Initial Set Up

Antenna alignment requires staff at each end of the link. A path profile analysis will provide each site with the required installation elevation, azimuth and bearing information, for initial antenna positioning. Ensure this information is available at each site. This is sufficient for the antenna to be pointed in the general direction as fine tuning will take place during alignment.


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For azimuth and elevation alignment, arrange each end to be on the assigned frequency to minimise any possible interference. Alignment involves quite a bit of fine tuning, and is an iterative process and the objective is to maximise the receive signal at each end the hop. Before proceeding to antenna pre-alignment, ensure each end of the hop is equipped with a known working Voltmeter. 12.2 ANTENNA PAIR IDENTIFICATION

There may or may not be in-band interference at either site, however identify and isolate the wanted RF signal in the presence of unwanted signal using the calculated RSL. A unique ‘lookup table’ is supplied for each ODU. This specifies the relationship between RSL and RSSI level. Ensure the serial number of the ODU matches the correct ‘lookup table’ before proceeding.

Figure 12-1: Typical RSL Vs RSSI Curve


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RSL (dBm) Vbnc (V)

-20 4.50

-25 4.19

-30 3.87

-35 3.56

-40 3.25

-45 2.94

-50 2.65

-55 2.31

-60 2.0

-65 1.69

-70 1.37

-75 1.06

-80 0.75

-85 0.44

-90 0.12

Table 12-1: Typical RSL Vs RSSI Volts

The path analysis documents should be checked for the expected RSL. Allowance should be made for an RSL over a small range of say 10 dB ~ 15 dB. Correlate the data in the ‘lookup table’ against the RSSI reading along all points of the RSL range.

The antenna pair is identified when measured RSSI level matches against the corresponding RSL values specified in the lookup table.

12.3 ANTENNA FINE-ALIGNMENT

Each ODU has a BNC connector, for DC voltage measurement by a voltmeter. As the RF signal fluctuates over a small range, a meter with an analogue movement or analogue scale is the best type to use. This is a RSSI indication, and is monitored by the multimeter. RSSI is indicated by a voltage reading, and varies as azimuth and bearing adjustments are made. Each antenna is adjusted, one at a time, until a maximum peak in RSSI is found and no further adjustment of either antenna causes any further increase in RSSI voltage.


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Figure 12-2: ODU RSSI profile for antenna

The above figure represents the RSSI level as the antenna is being brought into alignment. Note that there are several peak with one dominate peak. Location of the optimal signal strength should be at the maximum of its RSSI profile. The local antenna is paned from a slightly high position above the bore site of the antenna across the peak in RSSI signal, then lowered slightly, and panned in the other direction, until the dominate peak is found.

Figure 12-3: Panning Antenna

With the antenna positioned on the maximum peak, this procedure is repeated at the remote antenna. This process is then repeated several times for each antenna until no further increase in RSSI voltage is noted.


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12.4 ANTENNA ADJUSTMENT

12.4.1 Antenna Azimuth Adjustment

Follow the steps below to make antenna azimuth adjustment. Prepare for azimuth adjustment by locating and loosening the bolts on the mounting bracket. Take the figure below as a guide and examine to locate the exact bolts on the mounting bracket.

Figure 12-4: Loosen nuts for azimuth adjustment

Make coarse azimuth adjustment by swinging antenna in different direction and make fine azimuth adjustment by moving nuts on azimuth adjustment level (take figures below as a guide), observe the RSSI reading from ODU, until the reading is at its maximum (refer to section 12.4.1 for details).

Adjusting nut

Figure 12-5: Coarse/fine azimuth adjustment

Once azimuth adjustment is achieved, re-check RSSI reading and if necessary, repeat steps above until the settings are optimized.

Loosen nuts for azimuth adjustment


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12.5 ANTENNA ELEVATION ADJUSTMENT

Prepare for elevation adjustment by locating and loosening the bolts on the mounting bracket. Use the drawing as a guide and examine to locate the exact bolts on the mounting bracket. Loosen nuts for elevation adjustment

Figure 12-6: Loosen nuts for elevation adjustment

Make coarse elevation adjustment by turning antenna vertically and make fine elevation adjustment by moving nuts on elevation adjustment level, observe the RSSI reading from ODU, until the reading is at its maximum. Once elevation adjustment is achieved, re-check RSSI reading and if necessary, repeat steps above until the settings are optimized. Lock all of the nuts, and secure the ODU with a tie wire, cable tie or padlock through the eye of one of the locking buckles.

13. ATL-NIX-20 SYSTEM SOFTWARE

The ATL-NIX-20 software is divided into three functional groups:

IDU software,

ODU software, and

NMS software.

Figure 13-1: Software Architecture

IDU

Software

NMS

Software

ODU

Software


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13.1.1 IDU SOFTWARE

The IDU software is responsible for the management, monitoring and control of the operational status of the IDU. At the same time as the communication between the NMS and system to achieve the control and management of NMS. The IDU software is also responsible for communication and ODU software to manage and control the ODU 13.1.2 ODU SOFTWARE

The ODU software is responsible for the management and control of the ODU run state. The ODU software, according the IDU software parameters, controls the ODU operation. At the same time, the ODU software reports the ODU status to the IDU software

13.1.3 NMS Software

The NMS software interfaces with the IDU and allows a unified management platform which can meet the requirements of transmission network management.

All operational parameters can be controlled and monitored via the NMS.

14. FUNCTIONIONALITY

The ATL-NIX-20 system provides a wealth of functions to ensure the quality and efficiency of transmission service.

14.1.1 Frequency Band

The ATL-NIX-20 system supports L6, U6, 7, 8, 11, 13, 15, 18, 23, 26, 28, 32, 38GHz frequency bands, and can use a variety of ODU’s to suit current and future requirements.

The ODU types available are:

Low Performance, QPSK to 32QAM

High Performance, Standard Power, QPSK to 256QAM, and

High Performance, High Power, QPSK to 1024QAM.

14.1.2 Transmit Power Control Function

Via the NMS, the ODU Tx output power can be configured in 1 db steps from 0 dBm to Tx Maximum. This allows full compliance with any licensing conditions imposed by the regulator. 14.1.3 Automatic Transmit Power Control

ATPC is enabled to automatically tracking the RSL of the remote receiver and intelligently control of the local transmitter power within a defined control range.


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This technology is used to minimise any possible interference to an adjacent system and the residual error rate, while being able to increase Tx Power should communications conditions deteriorate.

14.1.4 Automatic Gain Control (AGC)

The ODU automatically controls the gain of the receiver amplifiers to ensure that the IF level is consistent for delivery to the IDU. This allows a large variation in IF Cable length, to simplify installation and ensures the performance of the entire system. 14.1.5 Digital Signal Processing (DSP)

Digital Signal Processing (DSP) is implemented for the digital filtering and processing of modulated and demodulated signals. Using DSP, the signal-to-noise ratio (SNR) is reduced and the performance of a communication system is then enhanced. In parallel with the above, the application of advanced Forward Error Correction (FEC) enables a number of errors to be detected and corrected without requiring retransmission, thus reducing the RSL threshold and improving the performance of system gain. 14.1.6 Signal Processing

The following signals are processed by the IDU:

E1 tributary Interface: for E1 signal input and output.

Ethernet Interface: for LAN signal input and output

NMS Interface: for monitoring and management.

15. MONITORING AND NETWORK MANAGEMENT

Monitoring and network management is available for the system. In addition to the operational parameters, a number of other parameters such as status, internal temperature, transmit power and frequency, receiving and transmitting levels and system alarms can also be monitored. Refer any enquiries to the contact details found on Page 13.


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16. COMMISSIONING

The system can be configured only after the link has been aligned through either the WEB interface (available on ETH Port 3), or the CIT interface for local commissioning and the NMS port for remote control. The local commissioning via CIT must be performed on both sides of the link.

16.1.1 Equipment Power-Up

Before applying power, check that the expected voltage, current, and power levels conform to the ratings of the equipment. Double check all connections before applying power. Do not modify circuits or make hardware changes whilst the power is applied. System commissioning includes:

Prepare for alignment and configuration

Setup transmission

Fine alignment

Verifying installation

Configuration

16.1.2 Factory Default Settings

The IDU will arrive in the “Factory Default” settings. These are as follows:

TX Frequency: Centre of ODU Sub Band.

IP Address: 192.168.168.1

Subnet Address 255.255.255.0

Capacity: 34 Mbps

Link ID: 0

These parameters should be set via the CIT prior to connecting the Management.

The following section (Section 17) is concerned with the configuration via the inbuilt Web Server, whilst the subsequent section (Section 1818focuses on the local commissioning via the CIT port;


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17. WEB GUI DESCRIPTION AND PARAMETERS

17.1 WEB GUI CONFIGURATION

17.1.1 How to Connect the IDU

Using CAT5E cable, connect one of the IDU Ethernet ports to the Laptop Ethernet port as shown in the following diagram:

Figure 17-1: Setup for GUI Access

17.1.2 How to Login to Web GUI

The ATL-NIX-20 Web GUI service supports WEB Browsers including:

Internet Explore

Mozilla Firefox

Google Chrome The following steps are required to achieve the connection to the Web GUI in local:

Step 1 Set the PC IP address as the same network segment with the ML-NIX-20 IDU IP address. Step 2 Open the browser and type ML-NIX-20 IDU IP address in address bar, press "Enter" to access the Web GUI server. Step 3 Type user name and password in the login window, and click <Enter> to confirm.


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NOTE: The ATL-NIX-20 IDU default IP address is 192.168.168.1, for IPv4 only. The ATL-NIX-20 IDU Web GUI default user name is admin and password is 123456.

Figure 17-2: Web GUI Log In Screen 17.1.3 HOW TO OPERATING IN WEB GUI

The ATL-NIX-20 Web GUI operator interface shown in the following, adopts a functional navigation tree for configuration, management and maintenance of the system.

1. Functional Navigation Tree 2. Functional Node

3. Parameter Region

Figure 17-3: Window Operation

1 2 3


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The user can open the configuration windows by selecting the corresponding function node in the functional navigation tree. The Web GUI supports English as the default language. Summary The summary window shows the major microwave link status and parameters for both sites. 17.1.4 Function Node Selection

All functional blocks, configuration or information regarding operations need to have selected the corresponding function node in Main Window from the left-hand functional navigation tree.

Step 1: Click the icon in front of the function node. It will expand if it contains subordinate directories;

Step 2: Select the corresponding function node. The right-hand parameter

region will refresh and display functional node parameters. Note: The Remote Side functional node is only available when the Link is established and communicating. 17.1.5 Parameter Setting

With the Web-based NMS operator interface, with the tree on the left of the table, the right side contains all the parameter options available. To edit the columns:

Step 1: Click the edit column to enter edit status and the fill the appropriate value;

Step 2: Click the <Apply>/<Submit> to apply the setting. For the drop-down

columns: Step 3: Click the drop-down column and select the appropriate option; Step 4: Click the <Apply>/<Submit> to apply the setting.

Be careful to change only one parameter, and then click the <Apply>/<Submit> to save that change.

NOTE: Some operations will interrupt the Link. Typically, the Web GUI will give a warning when the operation may interrupt the link.


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17.2 SYSTEM MANAGEMENT

17.2.1 Link Summary

Step 1: Click Summary in Functional Navigation Tree;

Step 2: Click <Refresh> on upper right of the Parameter Region;

Step 3: Wait for the page to refresh and view the result;

Step 4: If want to save the Link Summary, Click Page > Save As in Browser toolbars, and click <Save> to confirm.

Figure 17-4: Summary Window

Parameter Description

Type Type of ATECIL IDU model

Configuration System current configuration mode

System Alarm Indicate system alarm status

Link ID Microwave link ID setting

Capacity System microwave carrier capacity share

ETH Capacity System current Ethernet capacity

E1 Channels System current available E1 channels quantity

Modulation System current modulation mode

Bandwidth System current used of channel bandwidth

Tx Power ODU current transmit power

RSL ODU current receive signal level

Tx Frequency ODU current transmit frequency

ATPC ODU ATPC function status

Table 17-1: Link Summary Information


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17.3 LINK ALARMS

All alarms events are placed in index table. The user can check the alarm status with different groups and mask / unmask the alarm operation according to the requirement. 17.3.1 View IDU/ODU Alarm

Step 1: Click Local > Alarm > IDU/ODU or Traffic in Functional Navigation Tree; Step 2: Click <Refresh> on upper right of the Parameter Region; Step 3: Wait for the page refresh and view the alarm status. NOTE

Alarm status is Normal if the text is black. An Alarm status changed to Red Bold Alarm indicates a corresponding alarm has occurred.

17.3.2 Mask Alarm

Step 1: Click Local > Alarm > IDU/ODU or Traffic in Functional Navigation Tree; Step 2: Click <Refresh> on upper right of the Parameter Region; Step 3: Select the corresponding alarm Mask Settings to be masked. Step 4: Click <Submit> to apply the setting. Step 5: Click <Refresh> and check the setting NOTE

System supports setting multiple “Alarm Mask” settings simultaneously.

Select red bold “Mask” settings (IDU / ODU / FE / E1 LOS) option will set after clicking <Submit>

The alarms will not be active until set the “Mask” settings to “Unmask” and clicking <Submit>

. 17.3.3 UNMASK ALARM

Step 1: Click Local > Alarm > IDU/ODU or Traffic in Functional Navigation Tree; Step 2: Click <Refresh> on upper right of the Parameter Region; Step 3: Select corresponding alarm Mask Settings to be Unmask. Step 4: Click <Submit> to apply the setting. Step 5 Click <Refresh> and check the

setting.


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Figure 17-5: Equipment Alarm Window

Alarm-Event name Description Range

Link LOF Link loss of frame Mask | Unmask

Link RDI Remote defect indication Mask | Unmask

Link ID Mismatch Local and remote link ID mismatch Mask | Unmask

IF Demod IF demodulation receive signal Mask | Unmask

Table 17-2: IDU Alarm Event Group


IDU-ODU IDU and ODU communication error Mask | Unmask

ODU RSL Rx Alarm Level is out of defined range Mask | Unmask

ODU Tx Power ODU SSPA had been turn off Mask | Unmask

ODU -5V Power supply voltage out of defined range Mask | Unmask

ODU PA-I Amplifier current exception Mask | Unmask

ODU Tx IF Low power detection in IF transmitter Mask | Unmask

ODU Tx PLL Tx PLL failure Mask | Unmask

ODU Rx PLL Rx PLL failure Mask | Unmask

Table 17-3: ODU Alarm Event Group


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Figure 17-6: Traffic Alarm Window


ETH1 ~ ETH4 Link Fast Ethernet port link down Mask | Unmask

Trib 1 ~ 16 No connection to E1 interface Mask | Unmask

Table 17-4: Traffic Interface Alarm Event Group

17.4 SYSTEM INFORMATION

17.4.1 System Inventory

Step 1: Click Local > Inventory in Functional Navigation Tree; Step 2: Click <Refresh> on upper right of the Parameter Region; Step 3: Wait for the page refresh and view the result; Step 4: If want to save the system inventory, Click Page > Save As in Web Browser

toolbar, click <Save> to confirm.


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Figure 17-7: Inventory Window

Parameter Description Range

Type Type of ATECIL IDU model -

SN IDU serial number -

Hardware Code IDU hardware code -

Specification Code IDU specification code -

E1 Interface Type IDU E1 interface type 75Ω | 120Ω

MPU Firmware Ver. IDU Web GUI firmware version -

FPGA Firmware Ver. IDU FPGA firmware version -

MIB Ver. Management information base version -

Power Supply Normal power supply input voltage -

ODU Type Type of ATECIL ODU model -

ODU SN ODU serial number -

Table 17-5: Inventory Values

17.5 RADIO MANAGEMENT

The ODU window provides the management and control all key parameters of the system ODU 17.5.1 Check Radio Status

Step 1: Click Local > ODU in Functional Navigation Tree;

Step 2: Click <Refresh> on upper right of the Parameter Region;

Step 3: Wait for the page refresh and view the result.


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17.5.2 Enabling/Disabling Radio Transmission


Step 2: Click <Refresh> on upper right of the Parameter Region, and wait for the page refresh;

Step 3: Select SSPA to be On or Off;

Step 4: Click <Submit> to apply the setting; Step 5 Click <Refresh> and check the setting.

17.5.3 Change Radio Transmit Power


Step 2: Click <Refresh> on upper right of the Parameter Region, and wait for the page to refresh;

Step 3: Click the Tx Power edit column, fill the appropriate value;

Step 4: Click <Submit> to apply the setting. Step 5 Click <Refresh> and check the setting.:

Note

Tx Power range depends on ODU type and system current modulation mode.

17.5.4 Change Radio Transmit Frequency



Step 3: Click the Tx Frequency edit column, fill the appropriate value;

Step 4: Click <Submit> to apply the setting.

Step 5: Click <Refresh> and check the setting.

Note

The ODU transmit frequency synthesizer step size is 250 kHz for all ODU’s except for 8 GHz with a T/R of 311.32 MHz. In this case the step size is 186 kHz.

The Transmit frequency range depends on ODU frequency band and sub-band.

The Receive frequency depends on the transmit frequency and ODU Tx/Rx, and will automatically change according to the transmit frequency.

For Tx Low, the ODU receive frequency (kHz) = transmit frequency (kHz) + Tx/Rx spacing (kHz)


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For Tx High, the ODU receive frequency (kHz) = transmit frequency (kHz) - Tx/Rx spacing (kHz)

17.5.5 SET RSL ALARM THRESHOLD



Step 3: Click the RSL Alarm Threshold edit column, fill the appropriate value;



17.5.6 TURN ON/OFF ATPC



Step 3: Select ATPC Enable to be Enable or Disable;



17.5.7 SET ATPC TRIGGER LEVEL



Step 3: Click the ATPC Trigger Level edit column, fill the appropriate value;




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Figure 17-8: ODU Window

Parameter Range Default Remark

Type - - Type of ODU model

SN - - ODU serial number

Firmware Version - - ODU firmware version

Temperature - - ODU internal temperature

SSPA On | Off On SSPA set off ODU will mute

Tx Power - - Set ODU transmit power

Actual Tx Power - - Detect ODU transmit power

RSL - - Received signal level

RSL Alarm Threshold -127 to 127 -80 Trigger ODU RSL alarm

Rx Frequency - - ODU receive frequency

Tx Frequency - - Set ODU transmit frequency

ATPC Enable Enable | Disable Disable ATPC function switch

ATPC Trigger Level -70 to -30 -60 Set ATPC trigger level

Table 17-6: ODU Parameters

17.6 MODEM MANAGEMENT

17.6.1 Check Modem Status

Step 1: Click Local > Modem in Functional Navigation Tree; Step 2: Click <Refresh> on upper right of the Parameter Region;


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Step 3: Wait for the page refresh and view the result. 17.6.2 Set Link Id

Step 1: Click Local > Model in Functional Navigation Tree; Step 2: Click <Refresh> on upper right of the Parameter Region; Step 3: Click the Link ID edit column, fill the appropriate value; Step 4: Click <Submit> to apply the setting. Step 5 Click <Refresh> and check the

setting. NOTE:

A Link ID mismatch does not affect the transmission but will activate a Link ID Mismatch alarm.

Figure 17-9: MODEM Window


Link ID 1 to 255 1

Modulation QPSK QPSK

Bandwidth ETSI 3500 | 7000 | 14000 | 28000 - Manual control – In kHz

Bandwidth ETSI 2500 | 57000 | 10000 | 20000 - Manual control– In kHz

Temperature - - IDU internal temperature

Table 17-7: MODEM Parameters


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17.7 SERVICE MANAGEMENT

17.7.1 Set System Capacity

Step 1: Click Local > Traffic in Functional Navigation Tree; Step 2: Click the drop-down column in Capacity row and select the appropriate

option. Step 3: Click <Apply> to apply the setting. Step 4: Wait for the page refresh and view the capacity status. 17.7.2 Service Convert

Step 1: Click Local > Traffic in Functional Navigation Tree; Step 2: Select the 16 tunnels transport content in Traffic Setting zone. Step 3: Click <Submit> to apply the setting. Step 4: Wait for the page refresh and check the ETH Capacity and E1 Channels

status. 17.7.3 Set Ethernet Port Negotiation Mode

Step 1: Click Local > Traffic in Functional Navigation Tree; Step 2: Click the drop-down column in corresponding ETH row and select the

appropriate option. Step 3: Click <Submit> to apply the setting 17.7.4 Enable/Disable Ethernet Port Flow Control

Step 1: Click Local > Traffic in Functional Navigation Tree. Step 2: Select ETH Flow Control to be Enable or Disable. Step 3: Click <Apply> to apply the setting. Step 4: Wait for the page refresh and check the ETH Flow Control setting. Note: The MODEM window provides the monitoring of the parameters of the system modulation / demodulation module.


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Figure 17-10: Traffic Window


Capacity (ETSI) Mbps 4 to 34 34 System carrier capacity

Capacity (FCC) Mbps 3 to 25.3 34 System carrier capacity

ETH Capacity (ETSI) Mbps 0 to 34 2 System ETH capacity

ETH Capacity (FCC) Mbps 0 to 25.3 2 System ETH capacity

E1 Channels 0 | 2 | 4 | 8 | 16 16 System E1 channels QTY

DS1 Channels 0 | 2 | 4 | 8 | 16 16 System D1 channels QTY

ETH Flow Control Enable | Disable Disable IEEE 802.3x flow control

ETH1 ~ ETH4 Mandatory | Auto Auto Port negotiation mode

Trib 1 ~ 16 DS1/E1 | ETH DS1/E1 Tunnel transport content

Table 17-8: MODEM Traffic Parameters

Note:

Capacity, ETH capacity and E1 channel quantity convert relationship as follow:

Capacity (Mbps) = ETH Capacity (Mbps) + E1 Channel QTY × 2Mbps

ETH port supports auto-negotiation and mandatory mode. In mandatory mode, the ETH port provides four protocols:

o 10Mbps Half Duplex o 10Mbps Full Duplex o 100Mbps Half Duplex o 100Mbps Full Duplex


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17.8 SET VLAN

The VLAN window allows the user to create, change and delete the VLAN regulation to partition a physical network, enabling distinct broadcast domains to be created.

17.8.1 Enable/Disable VLAN

Step 1: Click Local > VLAN in Functional Navigation Tree. Step 2: Select VLAN Enable for the VLAN to be enabled or Disable to disable the

VLAN. Step 3: Click <Submit> to apply the setting. Step 4: Wait for the page to refresh and check the VLAN Enable setting 17.8.2 Set Web GUI VID

Step 1: Click Local > VLAN in Functional Navigation Tree. Step 2: Click the drop-down column in In-band NMS VID row and select the

appropriate option. Step 3: Click <Submit> to apply the setting. Step 4: Wait for the page refresh and check the VLAN Enable setting. NOTE:

If the Web GUI VID does not match the current connection to the Ethernet port VLAN, the connection will be interrupted. The connection should be changed to match the connect Ethernet port.

17.8.3 Create Access VLAN Port

Step 1: Click Local > VLAN in Functional Navigation Tree. Step 2: Click <Detail> of the corresponding Ethernet port row in VLAN Port zone. Step 3: Click the drop-down column in Port Type row and select the Access option. Step 4: Click the PVID edit column, fill the appropriate number. Step 5: Click <Submit> to apply the setting. Step 6: Wait for the page refresh, and a new VLAN list has been created. 17.8.4 Create Trunk VLAN Port

Step 1: Click Local > VLAN in Functional Navigation Tree.


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Step 2: Click <Detail> of the corresponding Ethernet port row in VLAN Port zone. Step 3: Click the drop-down column in Port Type row and select the Trunk option. Step 4: Click the PVID edit column, fill the appropriate number. Step 5: Click <Submit> to apply the setting. Step 6: Wait for the page refresh, and a new VLAN list has been created. If the VID

existing in VLAN list, no new VLAN list will be create but this Trunk port will become all existing VLAN list member.

17.8.5 Create Hybrid VLAN Port

Step 1: Click Local > VLAN in Functional Navigation Tree. Step 2: Click <Detail> of the corresponding Ethernet port row in VLAN Port zone. Step 3: Click the drop-down column in Port Type row and select the Hybrid option. Step 4: Click the PVID edit column, fill the appropriate number. Step 5: Set different VID Egress Settings to Tagged or Untagged. Step 6: Click <Submit> to apply the setting. Step 7: Wait for the page refresh, and a new VLAN list has been created. If the VID

existing in VLAN list, no new VLAN list will be create but this Hybrid port will become this VLAN list member.

17.8.6 VLAN List Add Member

Step 1: Click Local > VLAN in Functional Navigation Tree. Step 2: Click <Modify> of the corresponding VLAN list row in VLAN List zone. Step 3: Click the drop-down column in Port Type row and select the Hybrid option. Step 4: Modify the VLAN Name and check appropriate port number. Step 5 Click

<Submit> to apply the setting. Step 5: Wait for the page refresh, and check the Member Port status NOTE:

The VLAN window allows the user to create, change and delete the VLAN regulation to partitioning a physical network, so that distinct broadcast domains are created.


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Figure 17-11: VLAN Window


VLAN Enable Enable | Disable Disable -

In-band NMS VID 1 to 4094 1 -

Port1 ~ Port4 Type Access | Trunk | Hybrid Access -

Port1 ~ Port4 PVID 1 to 4094 1 -

VLAN List - - -

Table 17-9: VLAN Parameters

NOTE:

VID 1 is the initial VID number for all ports, and, if the user deletes the port mandatory VID attribute, the system will reassign VID 1 to this port again.

In-band NMS VID (Web GUI) can only choice the VID which is existing in the VLAN list.

The ATL- NIX-20 supports Port-based VLAN, to provide shielding from broadcast storms, and effectively improve network security performance.


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VLAN Port

Receive Message Process Send Message Process

Un-Tagged Message

Tagged Message Tagged Message

Access

Receive Message, add default VLAN Tag

1. VID equals default VID, receive Message. 2. VID not equal to default VID, drop Message

Delete Tag and send Message

Trunk

1. VID equals default VID receives Message. 2. VID not equal to default VID but in the “Allow List”, receives Message. 3. VID not equal to default and not in the “Allow List”, drops Message.

1. VID equal D-VID, delete Tag and send

2. VID not equal D-VID Transparent send

Hybrid

When VID is in the “Allow List”, Message will send and can be configured whether to delete Tag (include default VID 1)

Table 17-10: VLAN Port Rules

Figure 17-12: VLAN Port Configuration Window


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Port No. 1 to 4 - -

Port Type Access | Trunk | Hybrid Access -

PVID 1 to 4094 1 -

Table 17-11: VLAN Port Configuration Rules

NOTE:

When the port type selected is “Trunk” mode, the VID 1 to 4096 will automatically add this to the “Port Allow” list and show a new prompt within this window.

When the port type selected is “Hybrid” mode, the user can select the output message as either Tag or Un-Tag based on the VID which is in this “Port Allow” list respectively.

Figure 17-13: VLAN List Setting Window


VLAN Name - - <15 characters

PVID 1 to 4094 1 -

VLAN Member P1 / P2 / P3 / P4 N/A -

Table 17-12: VLAN List Setting Rules


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NOTE:

When the port type is “Access” mode, the port can only be one member of the VLAN list and will avoid all other VLAN lists.

When the port type is “Trunk” mode, the port will automatically become a member of each VLAN list.

ML-NIX-20 support maximum VLAN list quantity is 10. 17.9 NETWORK

The network window provides for the configuration of the IDU (Web GUI Server) IP Address, Subnet Mask and Default Gateway and provides three Trap IP Addresses for reporting Alarms to the NMS software. 17.9.1 Set the NMS Connection Parameters

Step 1: Click Local > Network in Functional Navigation Tree; Step 2: Click <Refresh> on upper right of the Parameter Region; Step 3: Click the Trap IP edit column, fill the appropriate IP address; Step 4: Click <Submit> to apply the setting. Step 5: Click <Refresh> and check the setting. NOTE:

ATL-NIX-20 IDU allows a maximum of three routes for reporting alarms to multiple NMS Servers.

Once connect to the NMS and the configuration completed, the IDU will upload system information both local and remote sites.

17.9.2 Disconnecting the NMS Connection

Step 1: Click Local > Network in Functional Navigation Tree; Step 2: Click <Refresh> on upper right of the Parameter Region; Step 3: Click <Delete> on the corresponding row of Trap IP; Step 4: Click <Submit> to apply the setting. Step 5: Click <Refresh> and check the setting. 17.9.3 Set IDU IP Properties

Step 1: Click Local > Network in Functional Navigation Tree;


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Step 2: Click <Refresh> on upper right of the Parameter Region; Step 3: Click the NMS IP edit column, fill the pre-assigned IP address; Step 4: Click the NMS Mask edit column, fill the appropriate value; Step 5: Click <Submit> to apply the setting. Step 5 Click <Refresh> and check the

setting. 17.9.4 Set IDU Gateway

Step 1: Click Local > Network in Functional Navigation Tree; Step 2: Click <Refresh> on upper right of the Parameter Region; Step 3: Click the Default Gateway edit column, fill the appropriate IP address; Step 4: Click <Submit> to apply the setting. Step 5: Click <Refresh> and check the setting. NOTE:

An IDU Gateway is not essential for a Layer 2 Network.

If the system management is through a Layer 3 Network or the Internet, then it is essential to set an available gateway. Otherwise the communications with the system will fail.

Figure 17-14: Network Configuration Window


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NMS IP - 192.168.168.1 Web GUI IP address

NMS Mask - 255.255.255.0 Web GUI subnet mask

Default Gateway - N/A Web GUI gateway

Trap IP 1 - N/A Web GUI reported IP 1



Table 17-13: Network Configuration Parameters

17.10 SYSTEM

The System window allows for the configuration of the Link parameters and security

17.10.1 Set System Time

Step 1: Click Local > System in Functional Navigation Tree; Step 2: Click <Refresh> on upper right of the Parameter Region; Step 3: Click the System Time edit column, fill the appropriate time; Step 4: Click <Submit> to apply the setting. Step 5: Click <Refresh> and check the setting. 17.10.2 System Uptime

Step 1: Click Local > System in Functional Navigation Tree; Step 2: Click <Refresh> on upper right of the Parameter Region; Step 3: Wait for the page refresh and view the System Uptime; 17.10.3 Factory Reset

A “Factory Reset” is a full restore of the IDU to its original factory settings.

It involves deleting all stored parameters stored in the device, and should be used with extreme caution. A factory reset may become necessary to restore a Link back to a known starting point, caused by a mis-configured IDU which is no longer working. Many problems such as freezing can be resolved by performing a factory reset.

Warning: Factory reset will delete all data stored in the IDU.


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Step 1: Click Local > System in Functional Navigation Tree. Step 2: Click <Apply> in the System Reset row. Step 3: Click <OK> in the pop-up warning window. Step 4: Wait for the system reset completed. 17.10.4 Software Reset

Step 1 Click Local > System in Functional Navigation Tree. Step 2 Click <Apply> in the Software Reset row. Step 3 Click <OK> in the pop-up warning window. Step 4 Wait for the software reset completed. 17.10.5 System Reset

A “System Reset” is performed by restarting system software and hardware. It is usually done in response to an error condition when it is impossible or undesirable for a processing activity to proceed and all error recovery mechanisms fail. Step 1: Click Local > System in Functional Navigation Tree. Step 2: Click <Apply> in the System Reset row. Step 3: Click <OK> in the pop-up warning window. Step 4: Wait for the system reset completed.

Figure 17-15: System Window I


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Configuration - 1+0 -

Alarm Buzzer Enable Open | Close Open -

System Time - - YYYY-MM-DD HH:MM:SS

System Uptime - - -

Factory Settings - - Restore factory setting

Software Reset - - -

System Reset - - -

User admin admin -

Old Password - 1 2 3 4 5 6 -

New Password - - -

Confirm New PWD. - - -

Table 17-14: System Window I Configuration

NOTE: A “Software Reset” only reboots the monitoring software and does not interrupt the service. A “System Reset” will reboot the hardware and software so that the service will be interrupted. Some changes to system parameters (e.g. Tx Frequency) and firmware updates will require a “System Reset”. 17.10.6 Security Management - Changing the Password

ATECIL recommends changing the Web GUI default password to avoid unintended or intended damage caused by password disclosure.

Step 1: Click Local > System in Functional Navigation Tree. Step 2: Click the Old Password edit column, fill the current password. Step 3: Click the New Password edit column, and fill the new password. Click the

Confirm New Password edit column, fill the new password again. Step 4: Click <Apply> on the next row to apply the setting. Step 5: Click <Refresh> and check the setting. NOTE:

The setting will take effect immediately, and the page will required a re-login. 17.10.7 Export Configuration

Step 1: Click Local > System in Functional Navigation Tree.


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Step 2: Select the export format and click <Export> in the Export Configuration row. Step 3: Wait for few seconds, the system configuration will be list in a new Browser

Tab. Step 4: Click Page > Save As in the Web Browser toolbar, click <Save> to confirm. NOTE:

If there is system failure, or the IDU is replaced, the configuration backup can be used to restore the system quickly.

17.10.8 Import Configuration

Step 1: Click Local > System in Functional Navigation Tree. Step 2: Click <Browse…> to choose the ML-NIX-20 configuration file. Step 3: Click <Import> in the Import Configuration row. Step 4: Wait for the configuration download complete. Step 5: Refresh the page and check the configuration. 17.10.9 License Update

Step 1: Click Local > System in Functional Navigation Tree. Step 2: Click <Browse…> to choose the ML-NIX-20 license file. Step 3: Click <Update> in the License File row. Step 4: Wait for the license download complete. Step 5: Refresh the page and check the License Status. 17.10.10 Firmware Update

Step 1: Click Local > System in Functional Navigation Tree. Step 2: Click <Browse…> to choose the ML-NIX-20 firmware file. Step 3: Click <Update> in the Firmware File row. Step 4: Wait for the firmware download complete, and system will automatic system reset. Step 5: Refresh the page and check the MPU or FPGA Firmware Version. NOTE:

The ATL-NIX-20 MPU firmware is used to update the Web GUI management interface, and the FPGA firmware is used for update FPGA control.


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Figure 17-16: System Window II


User admin admin -

Old Password - 1 2 3 4 5 6 -

New Password - - -

Confirm New PWD. - - -

Import Configuration - - -

Export Configuration XML | TXT N/A Export format is optional

License File - - -

License Status 4 | 8 | 16 | 34 34 Capacity license

Firmware File - - -

MPU Firmware Ver. - - Web GUI firmware version

FPGA Firmware Ver. - - FPGA firmware version

Table 17-15: System Window I Configuration

17.11 MAINTENANCE MANAGEMENT

17.11.1 LOGS

The Logs window provides a logged history view. The Administrator can clear and export the “Local IDU” Log File. The Alarm Log file and the RSL Log file can record up to 600 history entries.


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Once the Log History File is full, any new entry will cause the oldest entry to be deleted. The regular “export” and “clear” of the Log Files contributes to enhance the quality of maintenance. ATECIL recommends using an SNMP Manager for the NMS for management of the ATL-NIX-20 system. NOTE:

In the Web GUI, the “Logs View” causes a large amount of data to be downloaded to the P.C. The ATL-NIX-20 system limits the remote logs view. The User can view the remote logs by directly accessing the remote end through the CIT.

17.12 ALARM LOGS

All events related to an alarm such as Alarm Time, Alarm Type and Alarm Status as well as Alarm Restoration and Alarm Restoration Time, are recorded when the corresponding alarm appears or disappeares. 17.12.1 View Logs

Step 1: Click Local > Logs > Alarm Logs or RSL Logs in Functional Navigation Tree. Step 2: Click <View> on middle left of the Parameter Region. Step 3: Click <OK> in the pop-up warning window. Step 3 Wait for the page refresh

and view the alarm history. • Because logs query will use large of system resource, it’s likely to result the communication link unstable or service time out. So, the system denies query remote logs directly. User need to access remote IDU and query the logs. 17.12.2 Export Logs

Step 1: Click Local > Logs > Alarm Logs or RSL Logs in Functional Navigation Tree. Step 2: Click <View> on middle left of the Parameter Region. Step 3: Click <OK> in the pop-up warning window. Step 4 Wait for the page refresh

the logs. Step 4: Click <Export> and wait for few seconds, the logs will be list in a new Browser

Tab. Step 5: If want to save the logs, Click Page > Save As in IE toolbars, click <Save> to

confirm. 17.12.3 Clear Alarm Logs

Step 1: Click Local > Logs > Alarm Logs or RSL Logs in Functional Navigation Tree. Step 2: Click <View> on middle left of the Parameter Region.


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Step 3: Click <OK> in the pop-up warning window. Step 3 Wait for the page refresh and view the alarm history.

Figure 17-17: Alarm LOGS


Clear Logs Empty the local alarm logs history -

Export Logs Export the local alarm logs history -

Table 17-16: Alarm LOGS Configuration

17.13 RSL LOGS

RSL information such as Time, Type and RSL Status are recorded at every user defined interval.

17.13.1 Set RSL Log Interval

Step 1: Click Local > Logs > RSL Logs in Functional Navigation Tree. Step 2: Click the RSL Log Interval edit column, fill the appropriate value. Step 3: Click <Apply> to apply the setting. Step 4 Click <Refresh> and check the

setting.


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Figure 17-18: RSL LOGS


RSL Log Interval Set the interval to record the RSL value in minutes 10 to 120

Clear Logs Empty the local RSL logs history -

Export Logs Export the local RSL logs history -

17.14 TEST

The Test window provides a diverse number of test functions to test and examine the microwave link, to allow for rapid fault diagnosis.


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Figure 17-19: Inbuilt TEST Equipment Window


Single Tone Enable Enable | Disable Disable RF testing function

IF Calibration 0 to 31 15 System auto IF calibration

PRBS Enable Enable | Disable Disable Internal PRBS function

Test Status Stop | Run Stop Enable / disable testing

Mode Inside | Outside Inside Test data source

Trib 1 to 16 N/A Testing E1 channel number

Test Time - - Set time for test to be applied

Error Count - - Error bit statistics

Error Bit - - Mandatory insert 1 error bit

Trib 1~16 Line Loop Loop | Normal Normal E1 line loopback

Trib 1~16 System Loop Loop | Normal Normal E1 system loopback

NOTE:

Some of these test functions will cause a service interrupted.

Exhibit great care and always use the “Test Time” when enabling tests on the Remote end.


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18. THE CIT

18.1.1 Launch the CIT

The CIT can be used to configure the Microwave Link.

This is an RS232 connection to the IDU, with the following properties:.

Bit Rate: 19200bit/s Data Bits: 8 Parity: None Stop Bits: 1 Flow Control: None Emulation: VT100 Interface type: RJ45

To launch the CIT terminal, follow the steps below:

Step 1: Click Program -> Accessories -> Communications ->choose Hyper Terminal. *Note: Windows Vista and Windows 7 do not include hyper terminal. This must be installed after downloading the temporary application from the following:

http://www.hilgraeve.com/hyperterminal-trial

Step 2: Create a user Name, and then choose the first icon as below:

Figure 18-1: Launch the CIT terminal – step 2

http://www.hilgraeve.com/hyperterminal-trial


ATL-NIX-20 PDH

Step 3: In the prompt window, choose the correct “com” in the “Connect using” menu as below:


Step 4: Click “Bits per second” to set the properties for the selected COM, in this case, select 19200 as below:



ATL-NIX-20 PDH

Step 5: Select “None” in the “Flow control” menu as below:


Step 6: Click “OK” to access the terminal screen. Select File -> Properties -> Setting, in the prompt window as following, select “VT100” in the “Emulation” menu and click “OK” to confirm.



ATL-NIX-20 PDH

Step 7: The window below will be viewed to indicate successful connect to the system, insert the password “admin” and press ENTER to enter the system.



ATL-NIX-20 PDH

18.2 CIT TOP MENU

Figure 18-7: CIT Top Menu

“Local” menu provides users with the access to a variety of measurement and maintenance information for the local end IDU of the link, while “Remote” menu is for the remote end IDU of the link.

Current Alarms

Link >

E1 Trib >

IF >

ODU >

LOFRDI

Link ID Mismatch

LOS (1-8)

LOS (9-17)

IF Tx PLL

IF Rx PLL

IF Loop PLL

IF Demodulation

IDU-ODU

ODU RSL

ODU Tx Power

ODU -5v

ODU PA-I

ODU Tx PLL

ODU Rx PLL

ODU Tx IF

Alarm

ODU

ODU Information

ODU Temp

SSPA

Tx Power

ODU RSL

Tx Freq

Rx Freq

IDU IDU Information

IDU Status >

Auxiliary >

IDU Temp

Traffic Cap

Tx IF Freq

Rx IF Freq

LAN Setting >

Link

Link ID

RSL Alarm Threshold

ATPC Enable

ATPC Trigger

System

System Time

Factory Setting

Alarm Logs >

Software Reset

System Reset

Test

E1 Trib Line Loop

E1 Trib System Loop

Single Tone Enable

IF Loop

PRBS Test >

Local >

Remote >

Network

ETH

Link PPP >

IP Routing >

Trap IP

PPP Enable

PPP IP

Routing Table

Route Add

EOW/AUX

LAN Setting (1-17)

Export Logs

Clear Logs

PRBS Setting

PRBS Status

Current Alarms

Link >

E1 Trib >

IF >

ODU >

LOFRDI

Link ID Mismatch

LOS (1-8)

LOS (9-17)

IF Tx PLL

IF Rx PLL

IF Loop PLL

IF Demodulation

IDU-ODU

ODU RSL

ODU Tx Power

ODU -5v

ODU PA-I

ODU Tx PLL

ODU Rx PLL

ODU Tx IF

Alarm

ODU

ODU Information

ODU Temp

SSPA

Tx Power

ODU RSL

Tx Freq

Rx Freq

IDU IDU Information

IDU Status >

Auxiliary >

IDU Temp

Traffic Cap

Tx IF Freq

Rx IF Freq

LAN Setting >

Link

Link ID

RSL Alarm Threshold

ATPC Enable

ATPC Trigger

System

System Time

Factory Setting

Alarm Logs >

Software Reset

System Reset

Test

E1 Trib Line Loop

E1 Trib System Loop

Single Tone Enable

IF Loop

PRBS Test >

Local >

Remote >

Network

ETH

Link PPP >

IP Routing >

Trap IP

PPP Enable

PPP IP

Routing Table

Route Add

EOW/AUX

LAN Setting (1-17)

Export Logs

Clear Logs

PRBS Setting

PRBS Status


ATL-NIX-20 PDH

The descriptions of each menu are listed in the table below:

Menu Description Read/Write

Alarm Alarming parameters

Link LOF Loss of frame alarm Read Only

Link ID mismatch Link ID mismatch alarm Read Only

RDI Remote defect indication alarm Read Only

LOS (1-8) Loss of signal in tributary 1 to tributary 8 alarm Read Only

LOS (9-17) Loss of signal in tributary 9 to tributary 17 alarm Read Only

IF Demod IF signal demodulation alarm Read Only

IF Tx PLL IF Tx phase locked loop alarm Read Only

IF Rx PLL IF Rx phase locked loop alarm Read Only

IDU-ODU Alarm of IDU and ODU connection Read Only

ODU RSL ODU received signal level alarm Read Only

ODU Tx Power ODU transmitter power alarm Read Only

ODU -5V ODU -5V power supply alarm Read Only

ODU PA-I ODU power amplifier alarm Read Only

ODU Tx PLL ODU Tx phase locked loop alarm Read Only

ODU Rx PLL ODU Rx phase locked loop alarm Read Only

Network Network configuration parameters

ETH Set ETH port setting Read/Set

PPP Enable Enable / disable PPP address Read/Set

PPP Local IP Read / set up PPP local IP address Read/Set

Route Table Read / set up routes Read/Set

Add Route Add IP route Read/Set

Trap IP Set up IP address for trap report Read/Set

ODU ODU parameters

ODU Information Read the information about ODU type, ODU serial number and ODU firmware version

Read Only

ODU Temp Read ODU current temperature Read Only

SSPA Enable/disable solid state power amplifier Read/Set

Tx Power Read / set up transmitter power Read/Set

ODU RSL Read receiver signal level Read Only

Tx Freq Read / set up transmitter frequency Read/Set

Rx Freq Read / set up receiver frequency Read/Set


ATL-NIX-20 PDH

Menu Description Read/Write

IDU IDU parameters

IDU Information Read IDU-related information, such as IDU type, IDU SN and etc.

Read Only

IDU Temp Read IDU current temperature Read Only

Traffic Cap Read / set up traffic capacity Read/Set

Tx IF Freq Read transmitter IF frequency Read Only

Rx IF Freq Read receiver IF frequency Read Only

LAN Setting LAN setting Read/Set

EOW/AUX Enable/disable EOW/AUX Read/Set

Link Link parameters

Link ID Read / set up Link ID Read/Set

RSL Alarm Threshold Read / set up RSL alarm threshold Read/Set

ATPC Enable Enable or disable ATPC Read/Set

ATPC Trigger Level Read / set up ATPC trigger level Read/Set

System System parameter

System Time Read / set up system time Read/Set

Factory Default Setting Revert to factory default setting Read/Set

Alarm Logs Export/Clear alarm logs Read/Set

Software Reset Reset software Read/Set

System Reset Reset system Read/Set

Test Test Parameters

E1 Trib Line Loop Set up E1 tributary line loop Read/Set

E1 Trib System Loop Set up E1 tributary system loop Read/Set

Single Tone Enable Generate pilot tone Read/Set

PRBS Settings Read / set up PRBS settings Read/Set

PRBS Status Read / set up PRBS status Read/Set

Table 18-1: CIT Menu Items

18.3 CIT CONTROL

After entering the CIT successfully, follow up with parameter configurations for ATL-EC. The CIT functions can be controlled by using the keyboard. The mark “>” indicates that there are submenus exist, press “ENTER” to access to the submenu; press the direction buttons to select the submenu. Refer to the table below:


ATL-NIX-20 PDH

Key Description

Enter Press to confirm accessing to the submenu

← Press to return back to the upper menu

↑ and ↓ Press to select the menu

Tab Press to select the configurable parameters

F4 Refresh

Table 18-2: Keyboard instruction for CIT operation

18.4 READ AND SET PARAMETERS

Having accessed the menu, the user can proceed to read or write the desired data. As it is displayed in the figures below, select a desired data via “Tab” and press “ENTER” to confirm. It will then be displayed at “Cur” to indicate that the data being set currently has take effect. Set Succeed is displayed.

Figure 18-8: CIT Data Set

The above figure presents the parameters that have been set successfully, or else, it is displayed as “Set fault”. There are some possibilities during read or set the parameters:

Screen Displayed Description

Read parameters failed


ATL-NIX-20 PDH

0 indicates “Loop” 1 indicated “Normal”.

Table 18-3: Examples of Read or Write Parameters

19. SET UP A WORKING LINK

19.1 SETUP A WORKING LINK FOR 1 + 0 CONFIGURATION

To set up a working link, follow: Install the antenna (refer to the Hiperion Antenna Installation Manual and the Hiperion ODU Installation Manual). Perform a coarse antenna adjustment (refer to the Hiperion Antenna Installation Manual). Attach the ODU to the antenna (refer to the Hiperion ODU Installation Manual). Connect the IF cable between the ODU and IDU (refer to the Hiperion ODU Installation Manual). Power up the IDU. Power up the ODU by switching the toggle switch “ODU OFF/ON” located on the IDU front panel. Launch the Web GUI or CIT. Go to the ODU, ensuring that the SSPA is on. Then set the TX Power as specified in datasheet, or as required by the license conditions. To enable SSPA, follow: Go to “Local”/”Remote” “ODU” “SSPA”. Select “on” / “off” via “Tab” key to enable / disable SSPA and press “Enter” to accept this selection. To set up TX power, follow: At the main menu, select “Local”/”Remote” “ODU” “Tx Power”. Press “Enter” key to confirm each selection.


ATL-NIX-20 PDH

If the maximum and minimum values have been given, the user needs to set up the Tx power within the range of setting. Write the required value into the “Set” field and press “Enter” to accept this change. The resultant value will show up in the “Cur” field. Configure the Tx Frequency: To set up transmitter frequency, follow: Go to “Local”/”Remote” “ODU” “Tx/Rx Freq”. Press “Enter” key to confirm each step. If the maximum and minimum values have been given, the user needs to set up the Tx frequency within the range of setting. Write the required value into “Set” field and press “Enter” to accept this change. The resultant value will show up in the “Cur” field. Meanwhile, the receiver frequency can be read from the window. Make sure Link ID of both ends is identified To set up link ID, follow: Go to “Local”/”Remote” “Link” “Link ID”. Press “Enter” key to confirm each step.

Write the required value into “Set” filed and press “Enter” key to confirm the setting.

Perform a fine antenna adjustment (refer to the Hiperion 300 mm and 600 mm Antenna Installation Manual, the Hiperion 1200 mm Antenna Installation Manual).

20. SYSTEM TESTING

The system has a number of Built In Testing (BIT) functions. These are used during commissioning and troubleshooting which simplifies these tasks. 20.1 E1 TRIB LOCAL LOOP

The E1 Tributary Local loop is used to test the E1 wiring, Access Panels and IDU connectors for the Local IDU. It loops the E1 input to the E1 output to test whether the local equipment, Access Panels and wiring is functioning normally. An external source of E1 traffic is required. This can be a BERT or external device which can generate an E1 pattern for testing. Enabling this test will raise AIS and LOS alarms at the remote end of the Link and in external equipment. .

Figure 20-1: E1 Tributary Loop Back

Tributary 1

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ATL-NIX-20 PDH

20.2 IF LOOP

The IF loop is used to test that the local IDU is functioning normally. A loop at the IF frequency will allow all of the testing of the above E1 loop testing as well as all of the functions of the IDU. An external source of E1 traffic is required. This can be a BERT or external device which can generate an E1 pattern for testing or the normal external equipment. Enabling this test will raise AIS and LOS alarms at the remote end of the Link and in remote external equipment. .During the IF loopback test, the received traffic will be interrupted temporarily, which may result in the isolation with the NMS.

The BERT connected externally to the equipment.

Figure 20-2: IF Loop Back

20.3 E1 TRIB SYSTEM LOOP

E1 Trib System Loop is mainly used to test the performance of the entire link. Data is loopback among the E1 interfaces of the local IDU and remote IDU.

The external BERT can be used to test the system performance.

Figure 20-3: E1 tributary system loop

20.4 LOOP-BACK E1 TESTING

Only one set of BER Tester is required in loop-back testing. The connection is shown in the following figure:

Tributary 1

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ATL-NIX-20 PDH Installation Guide

ATL-NIX-20 PDH

Figure 20-4: Loop-back test connection diagram

Connect the BER test input and output interfaces to two E1 interface on IDU A. Interconnect the corresponding two E1 interfaces on IDU B via an E1 cable. The BER tester is set at a data rate of 2.048Mb/s and HBD3 coding to start test. Set the BER tester in the stored counts mode to examine the stability of the equipment (with average examination duration of 24 hours) and then print out the results.

20.5 PRACTICAL E1 TESTING

Two sets of BER tester are required in practical testing. One acts as a signal generator and the other one the BER tester. The following figure shows the connection of the testing:

Figure 20-5: Practical test connection diagram

The input interface of one BER is connected to the output E1 interface on IDU A, while the input E1 interface on IDU B is connected to the output interface of the other BER tester. The output interface of one BER tester is connected to the input E1 interface on IDU A, while the output E1 interface on IDU B is connected to the input interface of the other BER. Both BER testers are set at a data rate of 2.048Mb/s and HBD3 coding to start test. Set the BER tester

ODU ODU

IDU IDU

BER Tester A

CH2 (E1 OUT)

IN

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OUT

CH2 ( E1 IN) CH1 (E1 OUT)

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BER Tester A

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BER Tester A

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ATL-NIX-20 PDH

in the stored counts mode to examine the stability of the equipment (with average examination duration of 24 hours) and then print out the results.

To achieve practical testing with integrated PRBS digital analyser: 1. Launch the Web GUI or CIT. 2. Go to “Remote” “Test” “IF Loop” / “E1 Trib System Loop” to activate the loop

function (refer to section 11.12 for details about activating loop function). 3. Go to “Local” “Test” “PRBS Test” “PRBS Set” to set up the relative parameters

as shown below:

On/off: “ON” Mode: “Inside” Trib: input the serial number of E1 signal expects to test. Status: “Run”

Go to “PRBS Status” to set up the relative parameters as demonstrated below:

Test Status: Run

20.6 ETHERNET TESTING

This section is applicable for Ethernet testing. 20.6.1 LAN Loop Testing

A LAN System Loop is mainly used to test the performance of the entire link. Data is looped back among the ETH interfaces of the local IDU and remote IDU. An external BERT can be used to test the system performance.

Figure 20-6: LAN System Loop

20.6.2 LAN Line Loop

A LAN line loop is mainly used for the loop among ETH interfaces. It loops the IP input to the IP output to test whether the local equipment and cabling is functioning normally or not. To implement testing, an external BERT is needed.


ATL-NIX-20 PDH

Figure 20-7: LAN line loop

20.7 ETHERNET TESTING

This section is applicable for Ethernet testing. Two methods exist for testing the Ethernet function.

20.7.1 The Analyser Method

In the first method, two sets of ETHERNET analyzers are required for practical testing. One acts as a signal generator and the other one the ETH analyzer. The following figure shows the connection of the testing:

Figure 20-8: Ethernet testing using Ethernet Analyser connection diagram

Connect IDU A with ETH analyser A, while IDU B is connected with ETH analyser B.

20.7.2 The PC Method

In this method, two PC’s, each running a version of “LAN Speed Test” or “LAN Speed Test V 2.x” (one as server and one as client), are required for practical testing. “LAN Speed Test V 1.x0” is a FREE utility designed to accurately measure LAN speeds. It does this by writing a file (the user chooses the size) to a folder (chosen by the user), clears windows file cache, reads the file back, clears the cache again, deletes the file, and displays the results.

ODU ODU

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ETH Analyzer A

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ODU ODU

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ATL-NIX-20 PDH

LAN Speed Test V 1.x is a low cost portable windows application that works with Windows 98SE, Windows ME, Windows 2000, Windows 2003, Windows XP, Windows Vista, & Windows 7. It can be run from a USB Memory Stick, for example, does not require any installation, does not use DLL’s and does not change the Windows Registry. The results provide meaningful results with some limitations.

LAN Speed Test V 1.0 can be downloaded from http://www.totusoft.com/downloads.html.

Figure 20-9: Ethernet testing using PC connection diagram

20.7.3 LAN Speed Test V1.0

Figure 20-10: LAN Speed Test V 1.x Screen Snapshot

IBM Compatible IBM Compatible

Ethernet Ethernet

A B

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http://www.totusoft.com/downloads.html


ATL-NIX-20 PDH

20.7.4 LAN Speed Test V 2.x

“LAN Speed Test V 2.x” is a more advanced, low cost utility, designed to be a rock solid tool to measure your file transfer and network speeds (wired & wireless) easily and accurately. It does this by building a file in memory, then transfers it both ways (without the effects of windows file caching) while keeping track of the time, and then does the calculations. LAN Speed Test 2.x has a number of advanced features and uses a powerful process to measure your LAN speed that is much faster and more accurate than the free version LAN Speed Test V 1.x. Some of LAN Speed Test v2.x Features include..

Completely portable - No installation needed

Small file size of 126KB and can run from a hard drive, USB Flash drives, etc.

Compatible with all Windows 2000 & up

Very Fast! Most tests are less than 1 minute

Test packet sizes up to 9 GB while taking a maximum of just 10 MB of RAM on

your system

Progress window that displays progress bar and allows user to cancel at any time

LST Server support for a more accurate True network speed without hard drive

limitations

Test WAN speed with LST Server

Network Scan with the ability to Ping test any node on the network

Log viewing screen with ability to add notes

Scheduling runs now an option with logging and new Command Line format

Open/Save option to .csv file

Individual profiles automatically saved to .ini file to remember all settings

Selectable Speed Measurements

Command Line Mode which allows Network Administrators to start the test from

the client's workstation and view the log file from anywhere on the network.

The results provide highly meaningful results. LAN Speed Test V 2.x can be downloaded from http://www.totusoft.com/downloads.html.



ATL-NIX-20 PDH

Figure 20-11: LAN Speed Test V 2.x Screen Snapshot

20.7.5 LAN Speed Test LST Server

LAN Speed Test LST Server is, low cost utility, providing additional features for LAN Speed Test. By using this configuration the client talks directly to the server through the network with no hard drive limitations. This gives more accurate results of True network performance on the client screen. LST Server also makes it possible to test your WAN connection. Some of LST Server Features include...

Completely portable - No installation needed

Small file size of 69KB and can run from a hard drive, USB Flash drives, etc.

Compatible with all Windows 2000 & up

Very easy to use

Log Window and logging options

Server can handle multiple client connections

Server supports multiple NICs (Network Adapters)

It is not necessary to use LST Server, but desirable. Using LAN Speed Test with LST Server writes the test file to the server's memory and takes the hard drive out of the picture for truer network speed results.


ATL-NIX-20 PDH

Using LAN Speed Test without LST Server, writes the test file to another computer's hard drive. Tests will show slower speeds, but is more of a real-world test as most of the time you are writing files to other hard drives (file servers, etc.). LST Server can be downloaded from http://www.totusoft.com/downloads.html.

Figure 20-12: LST Server Screen Snapshot



ATL-NIX-20 PDH

21. MAINTENANCE

After equipment commissioning, no further maintenance by hand is required. After NMS commissioning, the monitoring centre can control the operational status of all of the equipment in the network. The following regular inspections are recommended to ensure long life system performance.

Antenna systems should be inspected once per year by qualified personnel to verify proper installation, maintenance, and the condition of equipment. This should include a comparison of the RSL with the RSL as noted in the Commissioning Document. Note that for this comparison, weather conditions should be similar to those at the time of installation.

The Station and System Earths should be inspected once per year for integrity and low ground resistance.

Periodically check for proper connection and tightening of all cables and mounting fixtures.

Make sure that the ATL-NIX-20 ODU has not been damaged, disassembled or otherwise tampered with, and remains properly grounded as described in the previous sections.

Cleaning the surface of the equipment regularly to remove dust and other deposits like salt for example, to ensure the normal operation and prolonging the useful life of the equipment.

The Surge Arrestors are designed to be sacrificial. Inspect the Surge Arrestor devices for integrity. Replace any that do not meet electrical specifications or appear suspect on physical examination.

The installation location for ATL-NIX-20 ODU should remain well ventilated. ATECIL disclaims any liability or responsibility for the results of improper or unsafe installation practices. The ATL-NIX-20 IDU and ODU have no user serviceable parts internally. In the event of a hardware fault, the faulty unit must be replaced with a known functional unit and returned to ATEC+L for repair.


ATL-NIX-20 PDH

22. APPENDICES

22.1 APPENDIX A: PRBS TEST FUNCTION OVERVIEW

PRBS (Pseudorandom Binary Sequence), the integrated digital analyser in IDU, is designed to make trouble shooting easier. The IF loop and E1 tributary system loop test can be achieved with integrated PRBS digital analyser, refer to section 8.5 for details. PRBS Set Go to “Test” “PRBS Test” “PRBS Set”. Press “Enter” key to confirm each step. The PRBS Settings window will show up. Table below is a description of configurable parameter of PRBS setting.

Parameters Description Operation

On/off On: PRBS is activated. Select “on” / “off” via “Tab”

key and press “Enter” key to acknowledge the selection. Off: PRBS is deactivated.

Mode

Inside: when the mode “Inside” is applied, it aims to achieve the BER test for system E1 signals.

Select “Inside” / “Outside” via “Tab” key and press “Enter” key to confirm the selection.

Outside: when the mode “Outside” is applied, it aims to achieve the BER test for E1 signals from external equipment.

Trib To set up tributary test. Only one tributary is tested at one time.

Input the E1 number of the tributary under test, for example “1”, and press the “Enter” key to accept the setting.

Status

Stop: disable resetting “Test Time” and “Error Count”.

Select “Stop” / “Run” via the “Tab” key and press “Enter” key to confirm the selection.

Run: reset “Test Time” and “Error Count”.

Table 22-1: PRBS Test Function Configurable Commands

PRBS Status Go to “Test” “PRBS Test” “PRBS Status”. Press “Enter” key to confirm each step. PRBS Status setting window will show up. Table below is a description of configurable parameter of PRBS setting.


ATL-NIX-20 PDH

Parameters Description Operation

Test Status

Stop: disable resetting “Test Time” and “Error Count”.

Select “Stop” / “Run” via “Tab” key and press “Enter” key to confirm the selection.

Run: reset “Test Time” and “Error Count”.

Test Time To record the time when PRBS is applied.

Error Count To count the bit error when PRBS is applied.

Error Bit Insert: to manually add a bit error Press “Enter” key to accept.

Table 22-2: PRBS Test Function Configurable Parameters


ATL-NIX-20 PDH

23. SPECIFICATIONS

Transmitter Technical Specifications (Standard Performance / High Performance)

Frequency band (GHz) 6-8 11 13-15 18-23 26 28 32 38

Max Tx Power (dBm) QPSK 27 / 30 25 / 28 25 / 27 23 / 25 23 / 25 23 / 24 20 / 23 20 / 23

Minimum Tx Power 0 dBm

Tx Power Increment 1 dB

Tx Power Accuracy ± 2 dB

ETSI SYSTEM - Receiver Sensitivity (dBm)

Capacity BW Mod 6-8 11 13-15 18-23 26 28 32 38

4 3.5 MHz QPSK -98 -95 -94 -91 -90 -90 -89 -88

8 7 MHz QPSK -94 -92 -92 -87 -86 -85 -84 -83

16 14 MHz QPSK -90 -89 -89 -85 -83 -83 -83 -81

34 28 MHz QPSK -87 -86 -85 -83 -81 -80 -79 -79

FCC SYSTEM - Receiver Sensitivity (dBm)

Capacity BW Mod 6-8 11 13-15 18-23 26 28 32 38

3 2.5 MHz QPSK -98 -96 -95 -92 -91 -90 -90 -89

6.2 5 MHz QPSK -95 -93 -93 -88 -87 -86 -85 -84

12.5 10 MHz QPSK -91 -90 -90 -86 -84 -84 -83 -82

25.3 20 MHz QPSK -88 -87 -87 -84 -81 -81 -80 -80

Note：

Maximum throughput – Capacity (Mbps) is tested with a 1518 bytes/frame.

Radio Transmitter Specifications

Radio Receiver Specifications


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GENERAL

Frequency Band L6 / U6 / 7 / 8 / 11 / 13 / 15/ 18 / 23 / 26 /28 / 32 / 38GHz

Channel Bandwidth ETSI: 3.5, 7, 14, 28 MHz

FCC: 2.5, 5, 10, 20 MHz

Modulation QPSK

Transmission Capacity 4Mbps – 34Mbps, programmable capacity between IP and

TDM

PERFORMANCE

System Configuration 1+0

Features ATPC, AGC, FEC

ATPC Feature Hitless

Regulatory Compliance ETSI EN 302 217-2-1, ETSI EN 302 217-2-2

ETSI EN 301 489-1 EMC, ETSI EN 301 489-4 EMC, RoHS

Safety EN60950-1

MTBF >30 years

PORTS

ODU Interface 1 x TNC Female; Up to 300m IF cable support

Ethernet 4 x Fast Ethernet (data traffic, management port)

E1 16 x E1/T1 (programmable between E1 and T1)

Serial Port RS-232 via RJ-45 connector

LED Indicator RUN, IDU Alarm, ODU Alarm, ETH LED

RSSI Port for RSL (ODU) BNC test jack,

Output Voltage Vs RSL: 0.1 to 4.5 VDC Vs -90 to -20 dBm

SERVICE PARAMETERS

PDH Service Interfaces Type E1: 120Ω balanced (RJ-45) or 75Ω Unbalanced

(BNC)

T1: 100Ω balanced (RJ-45)

Bit Rate E1: 2048 Kbit/s ± 50ppm

T1: 1544 Kbit/s ± 50ppm

Standard ITU-T G.703 compliance

IP Service Interfaces Type 4 x 10/100 Base-T (RJ-45)

Frame Size Up to 2046 bytes

MAC Table Size 2K

VLAN Tagging IEEE 802.1Q (Up to 4K VLAN entries)

Advanced Feature IEEE 802.3x flow control

MANAGEMENT

Management Port Ethernet VLAN or Separate Ethernet (RJ-

45/SFP)

Security/Authentication Authentication uses 2 level password

SNMP SNMP traps, MIB, SNMPv2

Configuration System Web based HTTP, Telnet, FTP, Serial ASCII

Loopbacks Line Loopback, System Loopback, IF Loopback

IDU Specifications


ATL-NIX-20 PDH

POWER

Maximum Power Consumption

Up to 40W (IDU + ODU)

Power Supply Voltage -48V DC (-36V DC to -72V DC), +24V DC and 110 ~ 260V AC adapters optional

MECHANICAL & ENVIRONMENTAL

Dimensions (H x W x D)

IDU: 22mm x 442mm x 200mm (1/2RU standard height) RJ45

IDU: 66mm x 442mm x 200mm (1RU standard height) BNC

ODU: 279mm x 240mm x 92mm

Weight IDU: 2.7 kg (1/2RU), 3.8 kg (1RU)

ODU: 4.2 kg

Temperature Range IDU: -5°C to +55°C

ODU: -33°C to +55°C

Humidity IDU: ≤85%, non-condensing

ODU: ≤100%, condensing

System Physical & Electrical Specifications


ATL-NIX-20 PDH

24. RECOMMENDATIONS AND STANDARDS

The AT Electronic & Communication International Limited, Hiperion series of Digital Microwave Radio Link equipment, has been tested and fully complies with the following recommendations and standards, where applicable: ACMA: “A-Tick, N28669 (Australia, New Zealand and Pacific Islands Compliance)”. ACMA: “C-Tick, N28669 (Australia, New Zealand and Pacific Islands Compliance)”. ANSI/IEEE Std 802.11, 1999 Edition (R2003): “Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specifications”. CEPT/ERC Recommendation 74-01: "Spurious emissions". EEU R&TTE Directive 1999 INIX-20 60154: "Flanges for waveguides". EN 609 50: "ETSI CE". EN 300 127: “Electromagnetic compatibility and Radio spectrum Matters (ERM); Radiated emission testing of physically large telecommunication systems”. ETR 241: “Transmission and Multiplexing (TM); Functional architecture of 2 Mbit/s based Plesiochronous Digital Hierarchy (PDH) transport networks”. ETS 300 371: “Transmission and Multiplexing (TM); Plesiochronous Digital Hierarchy (PDH) information model for the Network Element (NE) view”. ETS 300 785: “Transmission and Multiplexing (TM); Synchronous Digital Hierarchy (SDH); Radio spEC+fic functional blocks for transmission of M x sub-STM-1”. ETSI EN 300 019: “Environmental Engineering (EE); Environmental conditions and environmental tests for telecommunications equipment; Part 1-4: Classification of environmental conditions; Stationary use at non-weather protected locations”. ETSI ETS 300 019 (Parts 1 and 2): "Equipment Engineering (EE); Environmental conditions and environmental tests for telecommunications equipment; Part 1: Classification of environmental conditions; Part 2: Specification of environmental tests". ETSI ETS 300 119: "Equipment Engineering (EE); European telecommunication standard for equipment practice". ETSI ETS 300 132 (Part 2): "Equipment Engineering (EE); Power supply interface at the input to telecommunications equipment; Part 2: Operated by direct current (dc)". ETSI EN 300 197: “Fixed Radio Systems; Point-to-point equipment; Parameters for radio systems for the transmission of digital signals operating at 32 GHz and 38 GHz”


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ETSI EN 300 198: “Fixed Radio Systems; Point-to-point equipment; Parameters for radio systems for the transmission of digital signals operating at 23 GHz”. ETSI EN 300 385: "Electromagnetic compatibility and Radio spectrum Matters (ERM); Electro-Magnetic Compatibility (EMC) standard for fixed radio links and ancillary equipment". ETSI EN 300 431: “Fixed Radio Systems; Point-to-point equipment; Parameters for radio system for the transmission of digital signals operating in the frequency range 24,50 GHz to 29,50 GHz”. ETSI EN 300 462-4-2: “Transmission and Multiplexing (TM); Generic requirements for synchronization networks; Part 4-2: Timing characteristics of slave clocks suitable for synchronization supply to Synchronous Digital Hierarchy (SDH) and Plesiochronous Digital Hierarchy (PDH) equipment; Implementation Conformance Statement (ICS) proforma specification”. ETSI EN 300 639: “Fixed Radio Systems; Point-to-point equipment; Sub-STM-1 digital radio systems operating inthe13 GHz,15 GHz and 18 GHz frequency bands with about 28 MHz co-polar and 14 MHz cross-polar channel spacing”. ETSI EN 300 786: “Fixed Radio Systems; Point-to-point equipment; Sub-STM-1 digital radio systems operating in the13 GHz, 15 GHz and 18 GHz frequency bands with about 14 MHz co-polar channel spacing”. ETSI EN 300 833: “Fixed Radio Systems; Point-to-point antennas; Antennas for point-to-point fixed radio systems operating in the frequency band 3 GHz to 60 GHz”. ETSI EN 301 128: “Fixed Radio Systems; Point-to-point equipment; Plesiochronous Digital Hierarchy (PDH); Low and medium capacity digital radio systems operating in the 13 GHz, 15 GHz and 18 GHz frequency bands” ETSI EN 300 197: “Fixed Radio Systems; Point-to-point equipment; Parameters for radio systems for the transmission of digital signals operating at 32 GHz and 38 GHz”. ETSI EN 300 198: “Fixed Radio Systems; Point-to-point equipment; Parameters for radio systems for the transmission of digital signals operating at 23 GHz”. ETSI EN 301 216: “Fixed Radio Systems; Point-to-point equipment; Plesiochronous Digital Hierarchy (PDH); Low and medium capacity digital radio systems operating in the frequency bands between 3 GHz and 11 GHz. ETSI EN 301 384: “Telecommunications Management Network (TMN); Performance monitoring for Plesiochronous Digital Hierarchy (PDH) interfaces; Information model for the Network Element (NE) view”. ETSI EN 301 390: “Fixed Radio Systems; Point-to-point and Multipoint Systems; Spurious emissions and receiver immunity limits at equipment/antenna port of Digital Fixed Radio Systems”. ETSI EN 301 489-4: "Electromagnetic compatibility and Radio spectrum Matters (ERM); Electro-Magnetic Compatibility (EMC) standard for radio equipment and services; Part 4: Specific conditions for fixed radio links and ancillary equipment and services". ETSI EN 301 751: “Fixed Radio Systems; Point-to-Point equipments and antennas;


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Generic harmonized standard for Point-to-Point digital fixed radio systems and antennas covering the essential requirements under article 3.2 of the 1999/5/NIX-20 Directive”. ETSI EN 301 785: “Fixed Radio Systems; Point-to-point packet data equipment; Parameters for radio systems with packet data interfaces for transmission of digital signals operating in the frequency range 7, 8, 13, 15, 18, 23, 26, 28, 32, 38, 52 to 55 GHz”. ETSI EN 301 787: Fixed Radio Systems; Point-to-Point equipment; Parameters for radio systems for the transmission of Sub-STM-0 digital signals operating in the 18 GHz frequency band ETSI EN 302 217-1: “Fixed Radio Systems; Characteristics and requirements for point-to-point equipment and antennas; Part 1: Overview and system-independent common characteristics”. ETSI EN 302 217-2: “Fixed Radio Systems; Characteristics and requirements for point-to-point equipment and antennas; Part 2-1: System-dependent requirements for digital systems operating in frequency bands where frequency co-ordination is applied”. ETSI EN 302 217-2: “Fixed Radio Systems; Characteristics and requirements for point-to-point equipment and antennas; Part 2-2: Harmonized EN covering essential requirements of Article 3.2 of R&TTE Directive for digital systems operating in frequency bands where frequency co-ordination is applied”. ETSI EN 302 217-3: “Fixed Radio Systems; Characteristics and requirements for point-to-point equipment and antennas; Part 3: Harmonized EN covering essential requirements of Article 3.2 of R&TTE Directive for equipment operating in frequency bands where no frequency co-ordination is applied”. ETSI EN 302 217-4: “Fixed Radio Systems; Characteristics and requirements for point-to-point equipment and antennas; Part 4-1: System-dependent requirements for antennas ETSI TR 101 036-1: "Fixed Radio Systems; Point-to-point equipment; Generic wordings for standards on digital radio systems characteristics; Part 1: General aspects and point-to-point equipment parameters". ETSI TR 101 854: “Fixed Radio Systems; Point-to-point equipment; Derivation of receiver interference parameters useful for planning fixed service point-to-point systems operating different equipment classes and/or capacities”. ETSI TR 102 243-1: “Fixed Radio Systems; Representative values for transmitter power and antenna gain to support inter- and intra-compatibility and sharing analysis; Part 1: Digital point-to-point systems”. NTRL ANSI/UL 1950: FCC FCC Part 15 “CLASS A” digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy. If not installed and used in accordance with the “Hiperion series Installation Manual”, may cause harmful interference to radio communications. FCC Part 15 B: Class B digital device


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FCC Part 101: Fixed Microwave Services ITU-R Recommendation F.385-6: “Radio Frequency Channel Arrangements for Radio Relay Systems operating in the 7 GHz Band”. ITU-R Recommendation F.386-4: “Radio Frequency Channel Arrangements for Radio Relay Systems operating in the 8 GHz Band”. ITU-R Recommendation F.557-4: "Availability objective for radio-relay systems over a hypothetical reference circuit and a hypothetical reference digital path". ITU-R Recommendation F.746-4: "Radio-frequency channel arrangements for radio-relay systems". ITU-R Recommendation F.752-1: "Diversity techniques for radio-relay systems". ITU-R Recommendation F.1092-1: "Error performance objectives for constant bit rate digital path at or above the primary rate carried by digital radio-relay systems which may form part of the international portion of a 27 500 km hypothetical reference path". ITU-R Recommendation F.1093-1: "Effects of multi-path propagation on the design and operation of line-of-sight digital radio-relay systems". ITU-R Recommendation F.1101: "Characteristics of digital radio-relay systems below about 17 GHz". ITU-R Recommendation F.1189-1: "Error performance objectives for constant bit rate digital paths at or above the primary rate carried by digital radio-relay systems which may form part or the entire national portion of a 27 500 km hypothetical reference path". ITU-R Recommendation F.1191-1: "Bandwidth and unwanted emissions of digital radio-relay systems" ITU-T Recommendation G.703: "Physical/electrical characteristics of hierarchical digital interfaces". ITU-T Recommendation G.704: "Synchronous frame structures used at 1544, 6312, 2048, 8488 and 44736 Kbit/s hierarchical levels". ITU-T Recommendation G.773: "Protocol suites for Q-interfaces for management of transmission systems". ITU-T Recommendation G.826: "Error performance parameters and objectives for international, constant bit rate digital paths at or above the primary rate". ITU-T Recommendation G.827: "Availability parameters and objectives for path elements of international constant bit-rate digital paths at or above the primary rate".

End of Document

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25. NOTES:


ATL-NIX-20 PDH

ATL-NIX-20 PDH + IP Installation Manual _ Rev 1.1

Documents

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