Gazelle S1020i-LI (A) User Manual (Rel 02)

Gazelle S1020i-LI (A)

User Manual

(Rel_02)

www.raisecom.com

Raisecom Technology Co., Ltd. provides customers with comprehensive technical support and services. For any

assistance, please contact our local office or company headquarters.

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Copyright © 2020

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No part of this publication may be excerpted, reproduced, translated or utilized in any form or by any means,

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is the trademark of Raisecom Technology Co., Ltd.

All other trademarks and trade names mentioned in this document are the property of their respective holders.

The information in this document is subject to change without notice. Every effort has been made in the

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Raisecom

Gazelle S1020i-LI (A) User Manual Preface

Raisecom Proprietary and Confidential

Copyright © Raisecom Technology Co., Ltd. i

Preface

Objectives This document describes the Gazelle S1020i-LI all-GE switches in terms of overview,

hardware structure, technical specifications, hardware installation, networking applications,

management, and maintenance. The appendix lists terms, acronyms, and abbreviations

involved in this document.

Versions The following table lists the product versions related to this document.

Product name Software version Hardware version

Gazelle S1020i-LI A.00 V3.60M

Conventions

Symbol conventions

The symbols that may be found in this document are defined as below.

Symbol Description

Indicate a hazard with a medium or low level of risk which, if

not avoided, could result in minor or moderate injury.

Indicate a potentially hazardous situation that, if not avoided,

could cause equipment damage, data loss, and performance

degradation, or unexpected results.

Provide additional information to emphasize or supplement

important points of the main text.

Indicate a tip that may help you solve a problem or save time.

Raisecom

Gazelle S1020i-LI (A) User Manual Preface


Copyright © Raisecom Technology Co., Ltd. ii

General conventions

Convention Description

Times New Roman Normal paragraphs are in Times New Roman.

Arial Paragraphs in Warning, Caution, Notes, and Tip are in Arial.

Boldface Buttons and navigation path are in Boldface.

Italic Book titles are in italics.

Lucida Console Terminal display is in Lucida Console.

Book Antiqua Heading 1, Heading 2, Heading 3, and Block are in Book Antiqua.

Change history Updates between document versions are cumulative. Therefore, the latest document version

contains all updates made to previous versions.

Issue 02 (2010-05-30)

Second commercial release

Added the following two models: Gazelle S1020i-2GF-4GE-LI-DCW24 and Gazelle

S1020i-2GF-8GE-LI- DCW24.

Issue 01 (2010-03-31)

Initial commercial release

Raisecom

Gazelle S1020i-LI (A) User Manual Contents


Copyright © Raisecom Technology Co., Ltd. iii

Contents

1 Overview ......................................................................................................................................... 1

1.1 Introduction ...................................................................................................................................................... 1

1.2 Characteristics .................................................................................................................................................. 2

1.3 Overall parameters ........................................................................................................................................... 2

1.4 Features ............................................................................................................................................................ 3

1.5 Applications...................................................................................................................................................... 5

1.5.1 Crossroad video monitoring system application ..................................................................................... 5

1.6 Product model .................................................................................................................................................. 6

2 Hardware structure ....................................................................................................................... 8

2.1 Appearance ....................................................................................................................................................... 8

2.1.1 Gazelle S1020i-2GF-4GE-LI-DCW24 ................................................................................................... 8

2.1.2 Gazelle S1020i-2GF-8GE-LI-DCW24 ................................................................................................. 10

2.1.3 Gazelle S1020i-4GF-8GE-LI-DCW24 ................................................................................................. 12

2.2 Interfaces ........................................................................................................................................................ 14

2.2.1 Interface types and usage ...................................................................................................................... 14

2.2.2 Button .................................................................................................................................................... 15

2.3 Interface properties ......................................................................................................................................... 15

2.3.1 1000BASE-X SFP optical interface ...................................................................................................... 15

2.3.2 10/100/1000BASE-T electrical interface .............................................................................................. 16

2.3.3 Console interface .................................................................................................................................. 16

2.3.4 Alarm output interfaces ......................................................................................................................... 16

2.3.5 DI interface ........................................................................................................................................... 17

2.4 LEDs .............................................................................................................................................................. 19

2.5 Power supply .................................................................................................................................................. 20

2.5.1 Introduction ........................................................................................................................................... 20

2.5.2 Appearance and interfaces..................................................................................................................... 20

2.5.3 Specifications ........................................................................................................................................ 21

2.6 Lookup table of optical module parameters ................................................................................................... 21

2.7 Cables ............................................................................................................................................................. 22

2.7.1 Ground cable ......................................................................................................................................... 22

2.7.2 Console cable ........................................................................................................................................ 24

2.7.3 Ethernet cable ........................................................................................................................................ 26

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Copyright © Raisecom Technology Co., Ltd. iv

2.7.4 DC power cable ..................................................................................................................................... 28

2.7.5 Fiber ...................................................................................................................................................... 29

3 Technical specifications ............................................................................................................. 32

3.1 Protocols and standards .................................................................................................................................. 32

3.1.1 Compliance standards ........................................................................................................................... 32

3.1.2 Laser safety class .................................................................................................................................. 32

3.1.3 Reliability indicators ............................................................................................................................. 32

3.1.4 Safety standards .................................................................................................................................... 33

3.1.5 EMC standards ...................................................................................................................................... 33

3.1.6 Environmental standards ....................................................................................................................... 33

4 Hardware installation ................................................................................................................. 35

4.1 Preparing for installation ................................................................................................................................ 35

4.1.1 Precautions ............................................................................................................................................ 35

4.1.2 Environmental conditions ..................................................................................................................... 35

4.1.3 Power supply conditions ....................................................................................................................... 36

4.1.4 Static electricity conditions ................................................................................................................... 36

4.1.5 Grounding conditions ............................................................................................................................ 36

4.1.6 Other conditions .................................................................................................................................... 36

4.2 Installing device ............................................................................................................................................. 37

4.2.1 Installing device on guide rail ............................................................................................................... 37

4.3 Grounding device ........................................................................................................................................... 38

4.4 Connecting cables .......................................................................................................................................... 39

4.4.1 Connecting Ethernet cable .................................................................................................................... 39

4.4.2 Connecting fiber .................................................................................................................................... 39

4.4.3 Connecting power cable ........................................................................................................................ 41

4.5 Powering on device ........................................................................................................................................ 41

4.6 Checking installation ...................................................................................................................................... 42

5 Management and maintenance ................................................................................................ 43

5.1 Management modes........................................................................................................................................ 43

5.1.1 CLI ........................................................................................................................................................ 43

5.1.2 SNMP mode .......................................................................................................................................... 44

5.2 Maintenance modes ........................................................................................................................................ 44

5.2.1 Ping ....................................................................................................................................................... 44

5.2.2 Traceroute ............................................................................................................................................. 44

5.2.3 Environment monitoring ....................................................................................................................... 45

5.2.4 RMON management ............................................................................................................................. 45

5.2.5 Watchdog .............................................................................................................................................. 45

5.2.6 Port mirroring........................................................................................................................................ 45

5.3 NView NNM System ..................................................................................................................................... 45

5.3.1 Functions ............................................................................................................................................... 45

5.3.2 Features ................................................................................................................................................. 46

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Copyright © Raisecom Technology Co., Ltd. v

6 Appendix ...................................................................................................................................... 48

6.1 Terms .............................................................................................................................................................. 48

6.2 Acronym and abbreviations ............................................................................................................................ 53

Raisecom

Gazelle S1020i-LI (A) User Manual Figures


Copyright © Raisecom Technology Co., Ltd. vi

Figures

Figure 1-1 Appearance of the Gazelle S1020i-LI ................................................................................................... 2

Figure 1-2 Crossroad video monitoring system for expressway vehicles .............................................................. 6

Figure 2-1 Front appearance of the Gazelle S1020i-2GF-4GE-LI-DCW24 .......................................................... 9

Figure 2-2 Top appearance of the Gazelle S1020i-2GF-4GE-LI-DCW24 ........................................................... 10

Figure 2-3 Front appearance of the Gazelle S1020i-2GF-8GE-LI-DCW24 ........................................................ 11


Figure 2-5 Front appearance of the Gazelle S1020i-4GF-8GE-LI-DCW24 ........................................................ 13


Figure 2-7 Alarm output interface ........................................................................................................................ 17

Figure 2-8 DI interface ......................................................................................................................................... 18

Figure 2-9 DC power interface ............................................................................................................................. 20

Figure 2-10 Ground cable .................................................................................................................................... 23

Figure 2-11 OT terminal ....................................................................................................................................... 23

Figure 2-12 RJ45 Console cable .......................................................................................................................... 25

Figure 2-13 PINs and wiring ................................................................................................................................ 25

Figure 2-14 Ethernet cable ................................................................................................................................... 26

Figure 2-15 Wiring of the straight-through cable ................................................................................................. 27

Figure 2-16 Wiring of the 100 Mbit/s crossover cable ......................................................................................... 28

Figure 2-17 DC power connector ......................................................................................................................... 29

Figure 2-18 LC/PC fiber connector ...................................................................................................................... 30

Figure 4-1 Connecting the rail clip to the guide rail............................................................................................. 37

Figure 4-2 Installing the device on the guide rail ................................................................................................. 38

Figure 4-3 Loosen the screw of the ground terminal............................................................................................ 38

Figure 4-4 Connecting the ground cable .............................................................................................................. 39

Figure 4-5 Connecting the Ethernet cable ............................................................................................................ 39

Figure 4-6 Inserting the optical module ............................................................................................................... 40

Raisecom

Gazelle S1020i-LI (A) User Manual Figures


Copyright © Raisecom Technology Co., Ltd. vii

Figure 4-7 Inserting the fiber ............................................................................................................................... 40

Figure 4-8 Connecting the DC power connector .................................................................................................. 41

Figure 5-1 Location of the NView NNM system ................................................................................................. 47

Raisecom

Gazelle S1020i-LI (A) User Manual Tables


Copyright © Raisecom Technology Co., Ltd. viii

Tables

Table 1-1 Overall parameters of the Gazelle S1020i-LI ......................................................................................... 3

Table 1-2 Features .................................................................................................................................................. 4

Table 1-3 Models of the Gazelle S1020i-LI ........................................................................................................... 6

Table 2-1 Front panel of the Gazelle S1020i-2GF-4GE-LI-DCW24 ..................................................................... 9

Table 2-2 Front panel of the Gazelle S1020i-2GF-8GE-LI-DCW24 ................................................................... 11

Table 2-3 Front panel of the Gazelle S1020i-4GF-8GE-LI-DCW24 ................................................................... 13

Table 2-4 Interface types and usage ..................................................................................................................... 14

Table 2-5 Power and management interfaces ....................................................................................................... 15

Table 2-6 Button of the Gazelle S1020i-LI .......................................................................................................... 15

Table 2-7 Parameters of the 1000BASE-X SFP optical interface ........................................................................ 15

Table 2-8 Parameters of the 10/100/1000BASE-T electrical interface ................................................................ 16

Table 2-9 Parameters of the Console interface ..................................................................................................... 16

Table 2-10 Parameters of the alarm output interface ............................................................................................ 17

Table 2-11 Digital input interface ......................................................................................................................... 18

Table 2-12 Configuring triggering condition ....................................................................................................... 18

Table 2-13 Parameters of the DI interface ............................................................................................................ 19

Table 2-14 LEDs .................................................................................................................................................. 19

Table 2-15 Terminals on DC power interface 1. ................................................................................................... 20

Table 2-16 Specifications of DC power supplies ................................................................................................. 21

Table 2-17 Parameters of the GE (1250 Mbit/s) dual-fiber bidirectional optical module .................................... 21

Table 2-18 Parameters of the GE (1250 Mbit/s) single-fiber bidirectional optical module.................................. 22

Table 2-19 Technical specifications of the ground cable ...................................................................................... 23

Table 2-20 Technical specifications of the OT terminal ....................................................................................... 24

Table 2-21 Technical specifications of the Console cable .................................................................................... 25

Table 2-22 Wiring of EIA/TIA 568A and EIA/TIA 568B standards .................................................................... 26

Table 2-23 Technical specifications of the cable .................................................................................................. 28

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Gazelle S1020i-LI (A) User Manual Tables


Copyright © Raisecom Technology Co., Ltd. ix

Table 2-24 Technical specifications of the DC power cable................................................................................. 29

Table 2-25 Type and usage of the fiber ................................................................................................................ 29

Table 2-26 Wiring of the fiber .............................................................................................................................. 30

Table 3-1 Reliability indicators ............................................................................................................................ 33

Table 3-2 Environmental requirements ................................................................................................................ 33

Table 4-1 Requirements for the operating environment ....................................................................................... 36

Table 4-2 Power supply requirements for operation ............................................................................................ 36

Table 4-3 Items to be checked after installation ................................................................................................... 42

Raisecom

Gazelle S1020i-LI (A) User Manual 1 Overview


Copyright © Raisecom Technology Co., Ltd. 1

1 Overview

This chapter describes basic information about the Gazelle S1020i-LI, including the following

sections:

Introduction

Characteristics

Overall parameters

Features

Applications

Product model

1.1 Introduction The Gazelle S1020i-LI GE industrial switch (hereinafter referred to as the Gazelle S1020i-LI)

adopts an all-metal shell and fanless heat dissipation design, features small size and low

power consumption, and is easy to install. It is designed to meet requirements for industrial

on-site data backhaul and industrial automated controlling system, so it can work stably for a

long time in harsh environments.

The Gazelle S1020i-LI supports industrial redundant ring network protocol, completes Layer

2 features, and network management functions, and provides multiple interface forms,

including electrical interfaces and optical interfaces.

Figure 1-1 shows the appearance of the Gazelle S1020i-LI.

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Figure 1-1 Appearance of the Gazelle S1020i-LI

1.2 Characteristics The Gazelle S1020i-LI is characterized by high reliability:

Adopt an industrial chip and power module, implementing low power consumption.

Adopt an all-metallic shell, and a fanless heat dissipation design.

Support IP40 protection.

Support standard ERPS ring network solution in the industry and 50ms fast service

switching, thus implementing carrier-grade reliability.

Support a wide range of operating temperature from -40 to +75°C (altitude: 0–1800 m).

Be dampproof and corrosion-resistant. Support humidity of 5%–95% in the operating

environment (non-condensing).

Support the Digital Input (DI) interface and relay alarms.

Provide multiple interface types. The uplink interface supports the SFP optical interface.

The downlink interface supports the RJ45 electrical interface.

Support Simple Network Management Protocol (SNMP) v1/v2c/v3, Raisecom NView

NNM system, and Command Line Interface (CLI).

When the altitude increases by 220 m between 1800 m and 5000 m, the highest operating temperature of the device decreases by 1°C.

1.3 Overall parameters Table 1-3 lists overall parameters of the Gazelle S1020i-LI.

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Table 1-1 Overall parameters of the Gazelle S1020i-LI

Parameter Description

Dimensions (Width Depth Height) Gazelle S1020i-2GF-4GE-LI DCW24: 56

mm 105 mm 135 mm

Gazelle S1020i-2GF-8GE-LI-DCW24: 80

mm 130 mm 150 mm

Gazelle S1020i-4GF-8GE-LI-DCW24: 80

mm 130 mm 150 mm

Overall power consumption Gazelle S1020i-2GF-4GE-LI DCW24: 6 W

Gazelle S1020i-2GF-8GE-LI-DCW24: 8 W

Gazelle S1020i-4GF-8GE-LI-DCW24: 12 W

Weight (without guide rail) Gazelle S1020i-2GF-4GE-LI DCW24: 0.7 kg

Gazelle S1020i-2GF-8GE-LI-DCW24: 0.9kg

Gazelle S1020i-4GF-8GE-LI-DCW24: 1.0kg

Operating temperature (altitude: 0–

1800 m)

-40 to +75°C

Working humidity 5%–95% RH (non-condensing)

Protection class IP40

Power

supply

DC

power

supply

Rated voltage 12/24 VDC

Voltage range 10–36 VDC

– Overloading

protection

Supported

Reverse polarity

protection

Supported

1.4 Features

Table 1-2 shows features of the Gazelle S1020i-LI.

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Table 1-2 Features

Feature Description

Basic

features

Login to the device (Console/Telnet/SSH) CLI hierarchical protection User management, including login authentication, privilege division,

and command management File management (BootROM/system file/configuration file) System upgrade (BootROM, FTP, and TFTP) Time management (timezone, DST, NTP, and SNTP) Interface management (Jumbo frame, duplex, flow control, and rate) Basic configurations of the device (name, language mode, saving or

deleting configurations, and restarting the device) Task scheduling

Ethernet MAC address Basic VLAN (up to 4094 concurrent VLANs), Access and Trunk

interface modes STP/RSTP/MSTP Loop detection, solving the problem of self-loop and inner loop Interface protection, implementing L2 data isolation Port mirroring Transparent transmission of L2CP

Ring

protection

ITU-T G.8032 ERPS

IP service ARP DHCP Client DHCP Server DHCP Relay DHCP Snooping DHCP Option 82

Routing Route management

QoS ACL rules Trusted CoS and DSCP priorities Traffic classification and traffic policies (traffic rate limit, redirection,

and remarking based on traffic policy) Local priority mapping and queue scheduling (SP, WRR, DRR,

SP+WRR, and SP+DRR) Local priority mapping and queue scheduling (SP, WRR, DRR,

SP+WRR, and SP+DRR) Interface-based traffic rate limit

Multicast Multicast filtering and unknown multicast discarding IGMP Snooping IGMP MVR Multicast VLAN copy IGMP Proxy IGMP filtering

Security Port security MAC (static, dynamic, and Sticky secure MAC) Dynamic ARP detection (static binding and dynamic binding) RADIUS 802.1X Interface-based storm control IP Source Guard PPPoE+ (static binding and dynamic binding)

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Feature Description

Reliability Manual and static link aggregation Interface backup Link-state tracking

System

management

SNMP (v1/v2c/v3) RMON (statistics group, history statistics group, alarm group, and event

group) LLDP System log Alarm management Hardware monitoring CPU monitoring CPU protection Ping and Traceroute

1.5 Applications

1.5.1 Crossroad video monitoring system application

The crossroad video monitoring system is used in hierarchical highway toll stations and

specific transportation crossings in the cities, etc. It can accurately collect and record

information about vehicles that pass the station and crossing.

Figure 1-2 shows the crossroad video monitoring system using the Gazelle S1020i-LI.

After the aggregation switch in the police station is connected to the Gazelle S1020i-LI, the

Layer 2 industrial Ethernet switch, IP high-definition bullet cameras, and car sensors form a

crossroad video monitoring system to monitor and manage information about vehicles in each

driveway, record information about illegal vehicles. Meanwhile, the 3G router can back up

data to guarantee data reliability and security.

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Figure 1-2 Crossroad video monitoring system for expressway vehicles

1.6 Product model Table 1-3 shows models of the Gazelle S1020i-LI.

Table 1-3 Models of the Gazelle S1020i-LI

Model Description

Gazelle S1020i-

2GF-4GE-LI-

DCW24

Provide two 1000 Mbit/s auto-negotiation SFP optical interfaces. Provide four 10/100/1000BASE-T electrical interfaces. Support outputting 1 ways of relay alarms. Support 12/24 VDC power dual input.

Gazelle S1020i-

2GF-8GE-LI-

DCW24

Provide two 1000 Mbit/s auto-negotiation SFP optical interfaces. Provide eight 10/100/1000BASE-T electrical interfaces. Provide one Digital Input (DI) interface. Support outputting 1 ways of relay alarms. Support 12/24 VDC power dual input.

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Model Description

Gazelle S1020i-

4GF-8GE-LI-

DCW24

Provide four 1000 Mbit/s auto-negotiation SFP optical interfaces. Provide eight 10/100/1000BASE-T electrical interfaces. Provide one Digital Input (DI) interface. Support outputting 1 ways of relay alarms. Support 12/24 VDC power dual input.

Raisecom

Gazelle S1020i-LI (A) User Manual 2 Hardware structure



2 Hardware structure

This chapter describes the hardware structure of the Gazelle S1020i-LI, including the

following sections:

Appearance

Interfaces

Interface properties

Lookup table of optical module parameters

LEDs

Power supply

Cables

2.1 Appearance

2.1.1 Gazelle S1020i-2GF-4GE-LI-DCW24

Front appearance

Figure 2-1 shows the front appearance of the Gazelle S1020i-2GF-4GE-LI-DCW24.

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Figure 2-1 Front appearance of the Gazelle S1020i-2GF-4GE-LI-DCW24

1 LEDs (PWR1, PWR2, SYS, ALM, MGMT, LNK/ACT 5–6, and SPEED 5–6)

2 Service uplink interfaces 5–6 (SFP)

3 Service downlink interfaces 1–4 (RJ45)

Table 2-1 Front panel of the Gazelle S1020i-2GF-4GE-LI-DCW24

Print Description

LED: PWR1 and PWR2 ALM SYS MGMT LNK/ACT 1–6 SPEED 1–6

PWR: power status LED ALM: alarm LED SYS: system status LED MGMT: network management LED LNK/ACT 1–6: GE optical/electrical interface status

LED SPEED 1–6: GE optical/electrical interface rate LED

Interface: 1000M 1–4 100/1000M 5–6

1000M 1–4: service interface, 10/100/1000BASE-T

auto-negotiation Ethernet electrical interface, GE

downlink electrical interface 100/1000M 5–6: service interface, GE SFP uplink

optical interface

Top appearance

Figure 2-2 shows the top appearance of the Gazelle S1020i-2GF-4GE-LI-DCW24.

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Figure 2-2 Top appearance of the Gazelle S1020i-2GF-4GE-LI-DCW24

1 Ground terminal 2 RST button

3 Console interface (RJ45) 4 Alarm output interface (ALM)

5 Power interface 2 (PWR2) 6 Power interface 1 (PWR1)


Front appearance


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1 LEDs (PWR1, PWR2, SYS, ALM, MGMT, LNK/ACT 9–12, and SPEED 9–10)




Print Description

LED: PWR1 and PWR2 ALM SYS MGMT LNK/ACT 1–10 SPEED 1–10

PWR: power status LED ALM: alarm LED SYS: system status LED MGMT: network management LED LNK/ACT 1–10: GE optical/optical interface status

LED SPEED 1–10: GE optical/electrical interface status LED

Interface: 1000M 1–8 100/1000M 9–10

1000M 1–8: service interface, 10/100/1000BASE-T

auto-negotiation Ethernet electrical interface, GE

downlink electrical interface 100/1000M 9–12: service interface, GE SFP uplink

optical interface

Top appearance


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1 DI interface 2 RST button



7 Ground terminal


Front appearance of the Gazelle S1020i-4GF-8GE-LI-DCW24


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1 LEDs (PWR1, PWR2, SYS, ALM, MGMT, and LNK/ACT 1–12)




Print Description

LED: PWR1 and PWR2 ALM SYS MGMT LNK/ACT 1–12

PWR: power status LED ALM: alarm LED SYS: system status LED MGMT: network management LED LNK/ACT 1–12: GE electrical interface status LED

Interface: 1000M 1–8 100/1000M 9–12

1000M 1–8: service interface, 10/100/1000BASE-T auto-

negotiation Ethernet electrical interface, GE downlink

electrical interface 100/1000M 9–12: service interface, GE SFP uplink optical

interface

Top appearance of the Gazelle S1020i-4GF-8GE-LI-DCW24


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1 DI interface 2 RST button



7 Ground terminal

2.2 Interfaces

2.2.1 Interface types and usage

Service interfaces

Table 2-4 lists interface types and usage of the Gazelle S1020i-LI.

Table 2-4 Interface types and usage

Interface type Description

RJ45 10/100/1000BASE-T auto-negotiation electrical interface

SFP GE SFP optical interface, supporting the following optical modules:

1000BASE-X 100BASE-FX

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Management and auxiliary interfaces

Table 2-5 lists the power and management interfaces of the Gazelle S1020i-LI.

Table 2-5 Power and management interfaces

Interface type Description

Power interface Using the 2-PIN Phoenix connector interface, and inputting 12/24

VDC power

Console interface RJ45 interface, used to debug and configure the device by using the

Console cable to connect the Console interface on the device to the

PC

ALM alarm

interface

3-PIN Phoenix connector interface, used to output alarms

DI interface 3-PIN Phoenix connector interface, used to input digital signals

Ground terminal Round pressed ground terminal, used to connect the ground cable

2.2.2 Button

Table 2-6 lists the button of the Gazelle S1020i-LI.

Table 2-6 Button of the Gazelle S1020i-LI

Type Interface card

RST (reset button) Shortly press it for less than 3s to restart the device. Press it over 3s to restore factory settings.

2.3 Interface properties

2.3.1 1000BASE-X SFP optical interface

Table 2-7 lists parameters of the 1000BASE-X SFP optical interface.

Table 2-7 Parameters of the 1000BASE-X SFP optical interface


Connector type LC/PC

Optical interface properties Depending on the selected SFP optical module

Coding scheme 8B/10B

Duplex mode Full duplex

Standard IEEE 802.3-compliant

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Supported network protocol IP

2.3.2 10/100/1000BASE-T electrical interface

Table 2-8 lists parameters of the 10/100/1000BASE-T electrical interface.

Table 2-8 Parameters of the 10/100/1000BASE-T electrical interface


Connector type RJ45

Transmission rate 10/100/1000 Mbit/s auto-negotiation

Duplex mode Full/Half duplex

Specifications When the transmission rate is 10/100 Mbit/s, we recommend

using Cat 5 or better STP cable. When the transmission rate is 1000 Mbit/s, we recommend using

Cat 6 or better STP cable.

2.3.3 Console interface

Table 2-9 lists parameters of the Console interface.

Table 2-9 Parameters of the Console interface


Connector type RJ45

Duplex mode Duplex UART

Electrical feature RS-232

Baud rate 9600 baud

2.3.4 Alarm output interfaces

The alarm output interface is embedded with an electromagnetic relay. When alarms are input

through the DI interface or overtemperature, abnormal interface status, or abnormal power

status occurs, the electromagnetic relay will output alarms based on the connection status of

the control terminal, notifying the on-site operation and maintenance personnel, and

meanwhile report the alarms to the Network Management System (NMS).

The alarm output interface is in form of 3-pin Phoenix connector with spaces of 5.08 mm, as

shown in Figure 2-7.

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Figure 2-7 Alarm output interface

Alarm status When an alarm is generated, PIN 1 and PIN 2 are connected and thus the ALM LED is

on.

When no alarm is generated, PIN 2 and PIN 3 are connected and thus the ALM LED is

off.

Table 2-10 lists parameters of the alarm output interface.

Table 2-10 Parameters of the alarm output interface


Connector type 5.08 mm × 3-pin phoenix terminal

Electrical feature Connected/Disconnected

Maximum switching voltage 250 VAC/125 VDC

Maximum switching current 3 A (250 VAC/30 VDC)

Maximum switching capability 90 W

2.3.5 DI interface

The Gazelle S1020i-LI DI interface adopts the 3-pin Phoenix connector (with spaces of 5.08

mm), which is connected with a related device for inputting external digital signals, thus

monitoring external environment alarms.

Figure 2-8 shows the DI interface on the Gazelle S1020i-LI.

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Figure 2-8 DI interface

Table 2-11 lists the usage and related PIN prints of the digital input interface.

Table 2-11 Digital input interface

Print Usage

| External digital input positive terminal

┴ Negative

The digital input interface supports current up to 8 mA. Digital signal input supports the

following statuses:

High level: the input voltage is 13–30 V.

Low level: the input voltage is -30 to +1 V.

After login, you can configure the triggering condition of an external alarm to high level or

low level in global configuration mode, as described in Table 2-12.

Table 2-12 Configuring triggering condition

Step Command Description

1 Raisecom#config Enter global configuration mode.

2 Raisecom(config

)#alarm

outside-alarm

num { high |

low }

Configure the triggering condition of an external alarm

to high level or low level.

Num: being 1, DI ID High: configure the triggering condition to high level. Low: configure the triggering condition to low level.

By default, each external alarm is triggered by high level.

Table 2-13 lists parameters of the DI interface.

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Table 2-13 Parameters of the DI interface


Connector type 5.08 mm × 3-pin Phoenix connector

Input voltage range -30 to +30 VDC

High level 13–30 VDC

Low level -30 to +1 VDC

Maximum input current 8 mA

2.4 LEDs Table 2-14 lists LEDs on the Gazelle S1020i-LI, which are located at the line side on the front

panel. Lights are guided to the front panel through light pipes.

Table 2-14 LEDs

LED Print Status Description

DC power status

LED

PWR1 PWR2

Green Green: the power supply is normal. Off: the power supply is abnormal or off.

System status

LED

SYS Green Green: the system is being started or

working improperly. Blinking green: the system is working

properly. Off: the system is being started or

working improperly.

Alarm output

LED

ALM Red Red: the system is being started or an

alarm is generated, such as DI input,

temperature threshold crossing,

abnormal interface status, and abnormal

power status. Off: the system is started and no alarms

are generated or alarms are cleared in the

system.

Network

management

LED

MGMT Green Green: the device is being accessed. Off: power supply 1 is abnormal or off.

Ethernet

interface status

LED

LINK/ACT Green Green: the optical/electrical interface is

in Link Up status. Blinking green: the optical/electrical

interface is receiving or sending data. Off: the optical/electrical interface is in

Link Down status.

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LED Print Status Description

Rate LED SPEED Green

(optical) Yellow

(electric

al)

On: the optical interface is working at

1000 Mbit/s. Off: the optical/electrical interface is

working at 100 Mbit/s or is working

improperly.

2.5 Power supply

2.5.1 Introduction

The Gazelle S1020i-LI supports the embedded DC power supply and meets strict parameter

specifications based on related industry standard. The power supply supports the following

functions:

Support inputting 12/24 VDC power.

Support overload protection and reverse polarity protection.

Support overvoltage protection and surge protection.

Support NMS and electromagnetic relay alarm for battery failure.

2.5.2 Appearance and interfaces

Figure 2-9 shows the DC power interface on the Gazelle S1020i-LI.

Figure 2-9 DC power interface

The DC power interface on the Gazelle S1020i-LIis a 2-pin Phoenix connector interface (with

spaces of 7.62 mm).

The Gazelle S1020i-LI supports dual power supplies: PWR1 and PWR2. Table 2-15 lists

interface type and usage of the DC power supply.

Table 2-15 Terminals on DC power interface 1.

Power supply Print Description

DC power supply

(12/24 V) + Positive input terminal of the power supply

- Negative input terminal of the power supply

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2.5.3 Specifications

Table 2-16 lists specifications of power supplies.

Table 2-16 Specifications of DC power supplies


Overall maximum power

consumption

Gazelle S1020i-2GF-4GE-LI DCW24: 6 W GazelleS1020i-2GF-8GE-LI-DCW24: 8 W GazelleS1020i-4GF-8GE-LI-DCW24: 12 W

DC

power

supply

Rated voltage 12/24 VDC

Voltage range 10–36 VDC

2.6 Lookup table of optical module parameters

Dual-fiber bidirectional (LC/PC)

Table 2-17 Parameters of the GE (1250 Mbit/s) dual-fiber bidirectional optical module

Model Tx wavelength (nm)

Rx wavelengt

h (nm)

Tx optical power (EOL) (dBm)

Overloadin

g point (dBm)

Extinction ratio (dB)

Rx sensitivity (dBm)

Mode Transmission

distance (km)

USFP-

Gb/M-I

850 830–870 -9.5 to -3 > 0 > 9 < -17 MM 0.55

USFP-

Gb/S1-I

1310 1260–1620 -10 to -3 > -3 > 9 < -21 SM 15

USFP-

Gb/S2-I 1310 1260–1620 -2 to 3 > -3 > 9 < -21 SM 40

USFP-

Gb/S3-I

1550 1260–1620 0–5 > -3 > 9 < -22 SM 80

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Single-fiber bidirectional (LC/PC)

Table 2-18 Parameters of the GE (1250 Mbit/s) single-fiber bidirectional optical module

Model Tx wavelength (nm)

Rx wavelengt

h (nm)

Tx optical power (EOL) (dBm)

Overloadin

g point (dBm)

Extinction ratio (dB)

Rx sensitivity (dBm)

Mode Transmissio

n distan

ce (km)

USFP-

Gb/SS13-I

1310 1500–1610 -10 to -3 > -3.0 > 9.0 < -21 SM 15

USFP-

Gb/SS15-I

1550 1260–1360 -10 to -3 > -3.0 > 9.0 < -21 SM 15

USFP-

Gb/SS24-I

1490 1530–1580 -3.0 to 2.0 > -3.0 > 9.0 < -21 SM 40

USFP-

Gb/SS25-I

1550 1450–1530 -3.0 to 2.0 > -3.0 > 9.0 < -21 SM 40

USFP-

Gb/SS34-I

1490 1530–1580 -2.0 to 3.0 > -3.0 > 9.0 < -26 SM 80

USFP-

Gb/SS35-I

1550 1450–1510 -2.0 to 3.0 > -3.0 > 9.0 < -26 SM 80

2.7 Cables

2.7.1 Ground cable

Connecting the ground cable properly is an important guarantee for lightning protection, anti-electric shock, and anti-interference. The Gazelle S1020i-LI must be connected to the ground cable correctly during installation, which helps avoid personal injury and equipment damage.

There is a ground terminal on the front panel of the Gazelle S1020i-LI, namely, the chassis

GND. Use the ground terminal to fasten one end of the ground cable to the ground point on

the chassis, and connect the other end to the ground.

Appearance

The ground cable is composed of the ground terminal and conductive wire. In general, the

ground terminal is an OT bare-pressure terminal; and the conductive wire is a yellow/green

copper soft flame-retardant conducting wire.

Figure 2-10 shows the ground cable. Figure 2-11 shows the OT terminal.

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Figure 2-10 Ground cable

1 Conducting wire 2 Stripped end (connected to the OT terminal)

3 Insulating sheath 4 OT terminal

Figure 2-11 OT terminal

1 Inner diameter of

soldering lug 2

Inner diameter of

sheath 3 Thickness of soldering lug

Technical specifications

Table 2-19 lists technical specifications of the ground cable.

Table 2-19 Technical specifications of the ground cable


Model (recommended) POL-ground cable-OT-1.5-4/stripped-16AWG-D. The letter

D indicates the length, which can be customized. For

example, the customer requires a 2-m cable, and you can

name it POL-ground cable-OT-1.5-4/stripped-16AWG-2m.

Standard Comply with the UL standard and meet RoHS requirements.

Conducting wire Yellow/Green multi-strand copper-core conducting wire

16AWG (1.25 mm2)

Electronic wire UL1007 or UL1005 is used.

Stripped end 10 mm long, tinned

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Insulating sheath Halogen-free flame-retardant heat-shrink tubing. It is a 20

mm plastic tube which shrinks when being heated.

Welding technology The conducting wire and OT terminals adopt solderless

pressed connection.

Error in length of

conducting wire

±5 mm

Table 2-20 lists technical specifications of the OT terminal.

Table 2-20 Technical specifications of the OT terminal


Model Grounding round-pressed terminal (M6)/RoHS

Technical specifications 4.3 soldering lug Inner diameter of soldering lug: 6.4 mm Outer diameter of soldering lug: ≤ 12 mm Inner diameter of sheath: 3.4 mm Thickness of soldering lug: ≥ 1 mm

Cross-sectional area of

the conducting wire

12–10 AWG (4–6 mm2)

The Gazelle S1020i-LI is delivered without the ground cable. If required, make the

ground cable on site according to technical specifications. The ground cable cannot be longer than 30 m and should be as short as possible;

otherwise, a ground bar should be used instead.

2.7.2 Console cable

Introduction

The Console cable is used to connect the Console interface of the Gazelle S1020i-LI to the

RS-232 serial interface of the console. It transmits configuration data signals. The console

locally debugs and maintains the Gazelle S1020i-LI through the Console interface.

Connector types of the Console cable are below:

RJ45 connector: connect the Console interface on the Gazelle S1020i-LI.

DB9 female interface connector: connect the serial interface on the console.

Appearance

Figure 2-12 shows the RJ45 console cable.

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Figure 2-12 RJ45 Console cable

Wiring

Figure 2-13 shows PINs and wiring of the Console cable.

Figure 2-13 PINs and wiring


Table 2-21 lists technical specifications of the Console cable.

Table 2-21 Technical specifications of the Console cable


Name CBL-RS232-DB9F/RJ45-B-2m/RoHS

Color Black

Type Cat 3 UTP cable

Connector RJ45 connector DB9 female connector

Number of cores 4

Length 2 m

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2.7.3 Ethernet cable

Introduction

The Ethernet cable is for connecting Ethernet electrical interfaces with other devices.

The Ethernet interface on the Gazelle S1020i-LI is adaptive to straight-through cable mode

and crossover cable mode.

Make the Ethernet cable on site as required. Use the STP cable.

Appearance

Figure 2-14 shows the Ethernet cable.

Figure 2-14 Ethernet cable


The Ethernet cables have two types:

Straight-through cable: used to connect devices of different types, such as between a PC

and a switch, or between a switch and a router

Crossover cable: used to connect devices of the same type, such as between PCs,

between switches, between routers, or between a PC and a router (they are of the same

type)

Table 2-22 lists the wiring of EIA/TIA 568A and EIA/TIA 568B standards.

Table 2-22 Wiring of EIA/TIA 568A and EIA/TIA 568B standards

Connector (RJ45) EIA/TIA 568A EIA/TIA 568B

PIN 1 White/Green White/Orange

PIN 2 Green Orange

PIN 3 White/Orange White/Green

PIN 4 Blue Blue

PIN 5 White/Blue White/Blue

PIN 6 Orange Green

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PIN 7 White/Brown White/Brown

PIN 8 Brown Brown

Straight-through cable

Both two RJ45 connectors of the straight-through cable follow EIA/TIA 568B standard

wiring.

Figure 2-15 shows the wiring of the straight-through cable.

Figure 2-15 Wiring of the straight-through cable

Crossover cable

One RJ45 connector of the 100 Mbit/s crossover cable follows EIA/TIA 568A standard

wiring; the other RJ45 connector follows EIA/TIA 568B standard wiring.

Figure 2-16 shows the wiring of the 100 Mbit/s crossover cable.

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Figure 2-16 Wiring of the 100 Mbit/s crossover cable

Table 2-23 shows the technical specifications of the cable.

Table 2-23 Technical specifications of the cable


Name CBL-ETH-RJ45/RJ45-D

Connector RJ45 crystal header

Model Cat 5 or better STP cable

Number of cores 8

Length The letter D is the length, which can be customized. For

example, if the customer requires a 2-meter cable, you can

name it CBL-ETH-RJ45/RJ45-2m.

2.7.4 DC power cable

Introduction

The DC power cable supplies 12/24 VDC power from the power souring equipment to the

power interface on the Gazelle S1020i-LI, and then transmits power to the entire device.

Appearance

The DC power cable is composed of the DC power connector and power cable, as shown in

Table 2-17.

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Figure 2-17 DC power connector


Table 2-18 lists technical specifications of the DC power cable.

Table 2-24 Technical specifications of the DC power cable


Connector 7.62-2-pin-header/RoHS

Cable gauge Copper core multi-strand power cable 18 AWG (0.75 mm2)

The Gazelle S1020i-LI is only equipped with the power connector instead of power cables.

You can make power cables on site as required according to technical specifications.

2.7.5 Fiber

Introduction

The Gazelle S1020i-LI supports the Single-Mode Fiber (SMF) and Multi-Mode Fiber (MMF).

These two kinds of fiber are the same in appearance but different in color. The yellow one is

the SMF and the orange one is the MMF.

The Gazelle S1020i-LI can be connected to the Optical Distribution Frame (ODF) or optical

interfaces of other devices through fiber.

Table 2-25 lists the type and usage of the fiber.

Table 2-25 Type and usage of the fiber

Usage Local connector

Remote connector

Type Standard

Connect the Gazelle

S1020i-LI to the ODF

through the Ethernet

optical interface. Connect the Ethernet

optical interface on the

Gazelle S1020i-LI to

optical interfaces on

LC/PC LC/PC 2-mm SMF ITU-T

G.652 2-mm MMF

LC/PC FC/PC 2-mm SMF

2-mm MMF

LC/PC SC/PC 2-mm SMF

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Usage Local connector

Remote connector

Type Standard

other devices. 2-mm MMF

Choose the connector type and jumper cable length reasonably based on the on-

site requirements. Choose a connector suitable for the optical interface. Otherwise, it may increase

additional loss of fiber links, reduce transmission quality of services, or even damage the connector and optical interface.

Appearance

Figure 2-18 shows the appearance of the LC/PC fiber connector.

Figure 2-18 LC/PC fiber connector

When connecting or removing the LC/PC fiber connector, align the connector with the optical

interface, and do not rotate the fiber. Operate the fiber as below:

To connect the fiber, align the header of the fiber with the optical interface and insert the

fiber into the interface gently.

To remove the fiber, press down the spring clip, and push the fiber header inwards, and

then pull the fiber out.

Wiring

Table 2-26 lists the wiring of the fiber.

Table 2-26 Wiring of the fiber

Wiring relationship

Local optical interface Direction of optical signals

Peer optical interface

Single-fiber

connection

Optical interface <-> Optical interface

Dual-fiber Optical interface Tx -> Optical interface Rx

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Wiring relationship

Local optical interface Direction of optical signals

Peer optical interface

connection Optical interface Rx <- Optical interface Tx

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Gazelle S1020i-LI (A) User Manual 3 Technical specifications



3 Technical specifications

This chapter describes the technical specifications of the Gazelle S1020i-LI, including the

following sections:

Protocols and standards

3.1 Protocols and standards

3.1.1 Compliance standards

IEC 62351 Power systems management and associated information exchange - Data and

communications security

IEC 61588 Precision clock synchronization protocol for networked measurement and

control systems

IEEE 802.3 Information Technology

IEEE1613

3.1.2 Laser safety class

The laser beam in the fiber may hurt your eyes. Do not stare into the optical interface during maintenance and installation.

According to the value of the laser Tx power, the Gazelle S1020i-LI laser belongs to Class 1

in terms of safety. In Class 1, the maximum Tx power on the optical interface is smaller than

10 dBm (10 mW).

3.1.3 Reliability indicators

The reliability indexes include system usability, average annual return rate, Mean Time to

Repair (MTTR), and so on, as listed in Table 3-1.

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Table 3-1 Reliability indicators

Parameter Requirements

System availability 99.999%. The annual failure time for the Gazelle

S1020i-LI should be no longer than 5 minutes.

Annually system mean repair rate < 1.5%

MTTR < 2 hours

3.1.4 Safety standards

The Gazelle S1020i-LI meets UL60950 requirements.

3.1.5 EMC standards

The Gazelle S1020i-LI is compliant with the following Electromagnetic Compatibility (EMC)

standards:

Electro Magnetic Interference (EMI) meets CISPR 32 CLASS A requirements.

Static electricity meets IEC 61000-4-2 level 4 requirements.

Radiated Immunity Test (RIT) meets IEC 61000-4-3 level 3 requirements.

Electrical Fast Transient (EFT) meets IEC 61000-4-4 level 4 requirements.

Damped oscillatory wave meets IEC 61000-4-18 level 3 requirements.

Surge (impact) meets IEC 61000-4-5 level 4 requirements.

Power frequency magnetic field meets IEC 61000-4-8 level 4 requirements.

The pulse magnetic field meets IEC 61000-4-9 level 5 requirements.

Damped oscillatory magnetic field meets IEC 61000-4-10 level 4 requirements.

Conducted Immunity (CI) meets IEC 61000-4-6 level 3 requirements.

AC voltage dips and short interruptions immunity meets IEC 61000-4-11 requirements.

DC voltage dips and short interruptions immunity meets IEC 61000-4-29 requirements.

3.1.6 Environmental standards

The Gazelle S1020i-LI is applicable to the industrial environment with environmental

requirements shown in Table 3-2.

Table 3-2 Environmental requirements


Air pressure 86–106 kPa

Operating temperature (altitude: 0–1800 m) -40 to 75°C

Storage temperature -40 to +85°C

Operating humidity 5%–95% RH (non-condensing)

Protection class IP40

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Environmental authentication Comply with EU RoHS standard.

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Gazelle S1020i-LI (A) User Manual 4 Hardware installation



4 Hardware installation

This chapter describes hardware installation of the Gazelle S1020i-LI, including the following

sections:

Preparing for installation

Installing device

Grounding device

Connecting cables

Powering on device

Checking installation

4.1 Preparing for installation

4.1.1 Precautions

Installing and maintaining the Gazelle S1020i-LI and inserting and removing its parts should

be performed by professional technical support staff, with the following precautions:

The power supply must be grounded to prevent bodily injury due to electricity carried by

the device shell.

When installing the Gazelle S1020i-LI, keep it away from adjacent electric devices.

Do not operate the Gazelle S1020i-LI when your hands are wet or sweating.

Do not alter mechanical or electric parts of the Gazelle S1020i-LI.

4.1.2 Environmental conditions

The hot air inside the Gazelle S1020i-LI flows to cool the internal circuit through the front

panel and heat dissipation holes on both side panels. To keep the air flow smoothly, keep

enough space outside heat dissipation holes or keep channels for air flow; otherwise, when

heat dissipation holes are blocked, the air will fail to flow. Install the Gazelle S1020i-LI in an

environment with controllable temperature and humidity. Pay attention to the electrical

conductivity of substances around the Gazelle S1020i-LI. If the humidity is high, short circuit

may occur. If the room is too dry, a fire may occur.

Table 4-1 lists requirements for the operating environment.

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Table 4-1 Requirements for the operating environment


Operating temperature (altitude: 0–1800 m) -40 to 75°C

Operating humidity 5%–95% RH (non-condensing)

Storage temperature -45 to 85°C

Operating air pressure 86–106 kPa

4.1.3 Power supply conditions

Table 4-2 lists power supply requirements for operation of the Gazelle S1020i-LI.

Table 4-2 Power supply requirements for operation

Parameter Requirement

DC power supply Rated voltage: 12/24 VDC Voltage range: 10–36 VDC

Power consumption The power supplied by the power supply should exceed the

maximum power consumption.

RPS We recommend preparing a professional RPS in case of

abnormal power supply.

4.1.4 Static electricity conditions

To prevent body static electricity from damaging the Gazelle S1020i-LI, wear the Anti-Static

Discharge (ASD) wrist strap properly any time when you contact the Gazelle S1020i-LI.

4.1.5 Grounding conditions

The Gazelle S1020i-LI must be grounded, and the ground resistance should be no smaller

than 1 Ω. Well grounding is the first guarantee for lightning protection and anti-interference.

4.1.6 Other conditions

Before installing the Gazelle S1020i-LI, check whether auxiliary parts are ready. For example,

ensure that cables and supporting devices are properly installed.

Replacing a card or altering the device may cause extra hazard. Do not do this if you are not a

professional technician.

To guarantee safety, please contact Raisecom local office or technical support hotline for any

questions.

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4.2 Installing device

4.2.1 Installing device on guide rail

Installing device on guide rail

We recommend guide-rail installation. When the Gazelle S1020i-LI is taken out of the packing box, it is already installed with the rail clip on the rear panel.

Install the Gazelle S1020i-LI on the guide rail as below:

Step 1 Connect the rail clip to the guide rail, as shown in Figure 4-1.

Figure 4-1 Connecting the rail clip to the guide rail

Step 2 Press the device to secure it to the guide rail, as shown in Figure 4-2.

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Figure 4-2 Installing the device on the guide rail

Step 3 Check whether the rail clip is clamped to the guide rail tightly.

4.3 Grounding device

Connecting the ground cable properly is an important guarantee for lightning protection, anti-electric shock, and anti-interference. The Gazelle S1020i-LI must be connected to the ground cable correctly during installation, which helps avoid personal injury and equipment damage.

Connect the ground cable as below:

Step 1 Loosen the screw of the ground terminal counterclockwise and keep the screw and washer

properly, as shown in Figure 4-3.

Figure 4-3 Loosen the screw of the ground terminal

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Step 2 Put the OT terminal of the ground cable and washers to the screw in order.

Step 3 Install the screw to the ground terminal again and tighten the screw clockwise, as shown in

Figure 4-4.

Figure 4-4 Connecting the ground cable

4.4 Connecting cables

4.4.1 Connecting Ethernet cable

Connect the Ethernet cable as below:

Step 1 Make the Ethernet cable as required.

Step 2 Align the Ethernet cable header with the Ethernet interface of the Gazelle S1020i-LI and

insert the Ethernet cable into the Ethernet interface gently, as shown in Figure 4-5.

Figure 4-5 Connecting the Ethernet cable

4.4.2 Connecting fiber

The Gazelle S1020i-LI supports connecting the SFP optical module to the LC/PC fiber

connector.

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When the Gazelle S1020i-LI is not used, put a dustproof cover on the optical interface to prevent dust and dirt from entering it, ensuring that the Gazelle S1020i-LI works normally.

There is invisible laser inside the Gazelle S1020i-LI, which may cause eye injury. Therefore, do not look directly into the optical interface, header of the optical connector, or breakage of the fiber.

Inserting optical module

Insert the SFP optical module into the optical interface on the Gazelle S1020i-LI.

Figure 4-6 Inserting the optical module

Connect LC/PC fiber

Step 1 Remove the plastic dustproof cover from the optical module and keep it for later use.

Step 2 To insert the fiber, align the fiber header with the optical interface and insert the fiber into the

optical interface gently.

Figure 4-7 Inserting the fiber

Step 3 To remove the fiber, push the fiber connector inward slightly, press the spring clip downward,

and then pull out the fiber.

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4.4.3 Connecting power cable

Connecting DC power cable

Confirm the power type supported by the Gazelle S1020i-LI before installing the

power cable. Connect the proper power voltage to the corresponding PINs according to the marks displayed on the device shell. Otherwise, the Gazelle S1020i-LI will be damaged or fail to be started normally.

Ensure that the ground cable is correctly grounded before connecting the power cable.

Disconnect all power supplies before connecting or removing the power cable. Use the power cable which meets the technical specifications.

The DC power interface of the Gazelle S1020i-LI is a 2-PIN Phoenix terminal. Connect the

DC power cable as below:

Step 1 Make the DC power cable according to specifications.

Step 2 Insert the DC power connector into the DC power interface of the Gazelle S1020i-LI snuggly

and tighten the screws at both sides of the connector, as shown in Figure 4-8.

Figure 4-8 Connecting the DC power connector

Step 3 Connect the other end of the DC power cable to the cabinet or the power sourcing equipment

in the machine room.

4.5 Powering on device Power on the Gazelle S1020i-LI as below:

The Gazelle S1020i-LI can be powered on after being inserted with the power cable and

installed properly.

The Gazelle S1020i-LI is powered on when the power LED (PWR) is lightening up.

The Gazelle S1020i-LI begins to operate properly after Power-on Self-Test (POST) and

initialization. Interface LEDs indicate the working status of the interface (lit up, off, or

blinking)

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4.6 Checking installation Table 4-3 lists items to be checked after installation.

Table 4-3 Items to be checked after installation

No. Item Method

1 Components are installed properly without loose ends or shedding

phenomenon.

Check

2 Screws are tightened. Check

3 Cables are correctly connected without loose ends or shedding

phenomenon.

Check

4 The wiring of cables should meet design requirements. Check

5 No damage, breakage, or middle joints for signal cables Check

6 Labels on the two ends of the signal cable are correct, distinct, and

neat.

Check

7 The curvature radius of an optical fiber should be 20 times greater than

the diameter. In general, it should be greater than 40 mm.

Check

8 The wiring of the power cable and ground cable should comply with

engineering design documents to facilitate capacity expansion.

Check

9 Power cables and signal cables are laid separately. Check

10 No stains or scratches on the surface of the device Check

11 The capacity of the fuse is large enough to support the device to work

properly under the maximum power consumption.

Use a

tester.

12 When making the wiring nose of the power cable, ground cable, or the

alarm cable, weld or clamp it tightly.

Check

13 The power cable and the ground cable are properly connected. The

spring washer is over the flat washer.

Check

14 Space for heat dissipation is reserved around the device. No heavy

object is laid on the device.

Check

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Gazelle S1020i-LI (A) User Manual 5 Management and maintenance



5 Management and maintenance

This chapter describes how to manage and maintain the Gazelle S1020i-LI, including the

following sections:

Management modes

Maintenance modes

NView NNM System

5.1 Management modes You can access the Gazelle S1020i-LI to manage and maintain the Gazelle S1020i-LI through

the following modes:

Command Line Interface (CLI)

SNMP

5.1.1 CLI

Console interface management

Console interface management refers to configuring and managing the Gazelle S1020i-LI

through the Console interface connecting a terminal or a PC that runs the terminal emulation

program. This management mode is based on the local Console interface without relying on

the service network. Therefore, even though the service network fails, you can configure and

manage the Gazelle S1020i-LI through the Console interface.

Telnet management

The Telnet protocol, one of the TCP/IP protocol stack, is a standard protocol for remote login

through the Internet. By adopting the Telnet protocol, a local PC can be a terminal for the

remote host system. You can remotely log in to and manage the Gazelle S1020i-LI through

the PC which runs the Telnet program.

SSH management

SSH is a protocol that provides secure remote login and other secure network services in

unsecure networks. When you remotely log in to the Gazelle S1020i-LI in an unsecure

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network, SSH automatically encrypts data every time the device sends data. When data

reaches the destination, SSH automatically decrypts data. In this way, SSH prevents the

Gazelle S1020i-LI from attacks, such as plain text interception.

SSH can replace the Telnet for managing remote devices or provide secure paths for protocols,

such as FTP.

5.1.2 SNMP mode

Simple Network Management Protocol (SNMP) is designed by the Internet Engineering Task

Force (IETF) to solve problems in managing network devices connected to the Internet.

Through SNMP, a network management system can manage all network devices that support

SNMP, including monitoring network status, modifying configurations of a network device,

and receiving network alarms. SNMP is the most widely used network management protocol

in TCP/IP networks.

Till now, SNMP has three versions: v1, v2c, and v3, described as below.

SNMPv1 uses community name authentication mechanism. The community name,

which defines the relationship between the SNMP NMS and SNMP proxy, acts as a

password for limiting the access from SNMP NMS to the SNMP proxy. If the

community name carried in a SNMP packet is not authenticated by the Gazelle S1020i-

LI, the packet will be dropped.

Compatible with SNMPv1, SNMPv2c also uses community name authentication

mechanism. SNMP V2c supports more operation types, data types, and errored codes,

and thus better identifying errors.

SNMPv3 uses User-based Security Model (USM) and View-based Access Control

Model (VACM) security mechanisms. You can configure authentication and encryption

to provide higher security for communication between the SNMP NMS and SNMP agent

through the portfolio of authentication, none authentication, encryption, and none

encryption. Authentication is for verifying whether the packet sender is legal, thus

avoiding illegal access. Encryption is for encrypting packets transmitted between the

NMS and agents, thus preventing interception.

The Gazelle S1020i-LI supports SNMP v1, SNMP v2c, and SNMP v3.

5.2 Maintenance modes

5.2.1 Ping

Packet Internet Grope (Ping) is the most widely used command for fault diagnosis and

troubleshooting. It is usually used to detect whether two hosts are connected or not. Ping is

achieved with ICMP echo packets. If an Echo Reply packet is sent back to the source address

during a valid period after the Echo Request packet is sent to the destination address, it

indicates the route between source and destination address is reachable.

5.2.2 Traceroute

Traceroute is used to discover the real route through which the packet is transmitted to the

destination. Although the Ping feature can test the connectivity, it cannot record all network

devices on the route limited by the IP header. Traceroute can be used to test routing

information from the source host to the destination host.

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5.2.3 Environment monitoring

The principle of environment monitoring is to monitor key parameters of the device, such as

abnormal power status alarm, temperature threshold crossing alarm, and abnormal interface

status. Once anomaly is monitored, you can take measures accordingly to avoid faults.

5.2.4 RMON management

Remote Network Monitoring (RMON) is a standard developed by the Internet Engineering

Task Force (IETF), which is used to monitor network data through different agents and NMS.

RMON which implements statistics gathering and alarms reporting is an extension of SNMP,

but ROMN is more active and efficient for monitoring remote devices. The administrator can

quickly trace faults generated in the network, network segments, or devices.

At present, RMON implements four function groups: statistic group, history group, alarm

group, and event group.

5.2.5 Watchdog

By configuring Watchdog, you can prevent the system program from endless loops due to

uncertain fault, thus improving system stability.

5.2.6 Port mirroring

Port mirroring refers to mirroring packets of the source port to the monitor port without

affecting packets forwarding. You can use this function to monitor the receiving and sending

status of a certain port and analyze the network or fault status.

The Gazelle S1020i-LI supports port mirroring based on ingress port or egress port. When

port mirroring is enabled, packets on the ingress/egress mirroring port will be mirrored to the

monitor port. The monitor port and mirroring port cannot be the same one.

5.3 NView NNM System

5.3.1 Functions

"Comprehensive Access, Overall Network Management" is a vision that Raisecom has been

in pursuit of. The NView NNM system is developed to meet overall and efficient OAM

requirements. It is of complete functions, friendly User Interface (UI), and easy operations,

which can meet requirements for service activation and daily maintenance.

The NView NNM system, based on SNMP, can perform centralized configurations and fault

detection over all manageable devices of Raisecom. It has the following functions:

Topology management: display network topology graphically, organize and manage

nodes of various types and links between these nodes, and support automatic or manual

planning of network functions.

Alarm management: collect, classify, display, and manage all alarms reported by

managed devices. It supports query, sorting, filtering, gathering statistics about,

forwarding, and voice prompt.

Performance management: enable you to view realtime performance or history

performance, such as interfaces, traffic, and bandwidth utilization.

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Inventory management: manage physical inventory, such as devices, chassis, and

interfaces.

Customer management: manage information about all connected users, and allow the

mapping between customer information and device/interface. This function helps

quickly locate affected customers.

Security management: support user account and password rules according to security

management features in network management; control authorized access from a client

according to the Client Access Control List; provide the Invalid Login Verification

function, which will lock a user if the times of typing incorrect user name and password

exceeds the configured number; provide security control policies based on level,

authority, and domain; provide detailed system/device operation logs to facilitate you to

control operation authorities.

Service management: manages predefined system services through the application

service management framework, such as Trap receiving service, alarm storm prevention

service, and alarm forwarding service.

Data center: enable you to manage devices uniformly, conducting operations, such as

upgrade, backup, restoration, rollback, and activation and meanwhile enable you to

manage upgradable files, back up files, operations, and generated logs, ensuring that the

backup operation is easy, simple and with high security.

Data storage: save logs, history alarms, and performance data from database as viewable

files and then delete these data from database. This ensures efficient operation of

database in the NView NNM system.

5.3.2 Features

The NView NNM system has the following features:

Work as a uniform platform for all Raisecom manageable devices.

Uniformly manage data network and transport network.

Provide strong NE-level management and subnet-level management.

Provide northbound interfaces for integrating with the OAM system, such as COBRA,

SNMP, JDBC, and SOCKET interfaces.

Communicate with NE-level devices through SNMP in the southbound direction. With a

modular design, it supports flexible deployment according to actual situation.

The NView NNM system can be interconnected to the Operation Support System (OOS). It

implements OAM functions between the OSS and NEs through the northbound interface,

such as service activation, alarm reporting, alarm synchronization, fault diagnosis, and

periodical inspection.

Figure 5-1 shows the location of the NView NNM system.

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Figure 5-1 Location of the NView NNM system

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Gazelle S1020i-LI (A) User Manual 6 Appendix



6 Appendix

This chapter lists terms, acronyms, and abbreviations involved in this document, including

and following sections:

Terms

Acronym and abbreviations

6.1 Terms

A

Access

Control List

(ACL)

A series of ordered rules composed of permit | deny sentences. These

rules are based on the source MAC address, destination MAC address,

source IP address, destination IP address, interface ID, etc. The device

decides to receive or refuse the packets based on these rules.

Automatic

Laser

Shutdown

(ALS)

The technology that is used for automatically shutting down the laser to

avoid the maintenance and operation risks when the fiber is pulled out or

the output power is over great.

Auto-

negotiation

The interface automatically chooses the rate and duplex mode according

to the result of negotiation. The auto-negotiation process is: the interface

adapts its rate and duplex mode to the highest performance according to

the peer interface, that is, both ends of the link adopt the highest rate and

duplex mode they both support after auto-negotiation.

Automatic

Protection

Switching

(APS)

APS is used to monitor transport lines in real time and automatically

analyze alarms to discover faults. When a critical fault occurs, through

APS, services on the working line can be automatically switched to the

protection line, thus the communication is recovered in a short period.

B

Bracket A component installed on both sides of the chassis, used for install the

chassis to the rack.

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C

Challenge

Handshake

Authentication

Protocol

(CHAP)

CHAP is a widely supported authentication method in which a

representation of the user's password, rather than the password itself, is

sent during the authentication process. With CHAP, the remote access

server sends a challenge to the remote access client. The remote access

client uses a hash algorithm (also known as a hash function) to compute

a Message Digest-5 (MD5) hash result based on the challenge and a

hash result computed from the user's password. The remote access client

sends the MD5 hash result to the remote access server. The remote

access server, which also has access to the hash result of the user's

password, performs the same calculation using the hash algorithm and

compares the result to the one sent by the client. If the results match, the

credentials of the remote access client are considered authentic. A hash

algorithm provides one-way encryption, which means that calculating

the hash result for a data block is easy, but determining the original data

block from the hash result is mathematically infeasible.

D

Dynamic ARP

Inspection

(DAI)

A security feature that can be used to verify the ARP data packets in the

network. With DAI, the administrator can intercept, record, and discard

ARP packets with invalid MAC address/IP address to prevent common

ARP attacks.

Dynamic Host

Configuration

Protocol

(DHCP)

A technology used for assigning IP address dynamically. It can

automatically assign IP addresses for all clients in the network to reduce

workload of the administrator. In addition, it can realize centralized

management of IP addresses.

E

Ethernet in the

First Mile

(EFM)

Complying with IEEE 802.3ah protocol, EFM is a link-level Ethernet

OAM technology. It provides the link connectivity detection, link fault

monitoring, and remote fault notification, etc. for a link between two

directly-connected devices. EFM is mainly used for the Ethernet link on

edges of the network accessed by users.

Ethernet Ring

Protection

Switching

(ERPS)

It is an APS protocol based on ITU-T G.8032 standard, which is a link-

layer protocol specially used for the Ethernet ring. In normal conditions,

it can avoid broadcast storm caused by the data loop on the Ethernet

ring. When the link or device on the Ethernet ring fails, services can be

quickly switched to the backup line to enable services to be recovered in

time.

F

Full duplex In a communication link, both parties can receive and send data

concurrently.

G

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GFP

encapsulation

Generic Framing Procedure (GFP) is a generic mapping technology. It

can group variable-length or fixed-length data for unified adaption,

making data services transmitted through multiple high-speed physical

transmission channels.

Ground cable

The cable to connect the device to ground, usually a yellow/green

coaxial cable. Connecting the grounding cable properly is an important

guarantee to lightning protection, anti-electric shock, and anti-

interference.

H

Half duplex In a communication link, both parties can receive or send data at a time.

I

Institute of

Electrical and

Electronics

Engineers

(IEEE)

A professional society serving electrical engineers through its

publications, conferences, and standards development activities. The

body responsible for the Ethernet 802.3 and wireless LAN 802.11

specifications.

Internet

Assigned

Numbers

Authority

(IANA)

The organization operated under the IAB. IANA delegates authority for

IP address-space allocation and domain-name assignment to the NIC and

other organizations. IANA also maintains a database of assigned

protocol identifiers used in the TCP/IP suite, including autonomous

system numbers.

Internet

Engineering

Task Force

(IETF)

A worldwide organization of individuals interested in networking and

the Internet. Managed by the Internet Engineering Steering Group

(IESG), the IETF is charged with studying technical problems facing the

Internet and proposing solutions to the Internet Architecture Board

(IAB). The work of the IETF is carried out by various working groups

that concentrate on specific topics, such as routing and security. The

IETF is the publisher of the specifications that led to the TCP/IP

protocol standard.

L

Label Symbols for cable, chassis, and warnings

Link

Aggregation

With link aggregation, multiple physical Ethernet interfaces are

combined to form a logical aggregation group. Multiple physical links in

one aggregation group are taken as a logical link. Link aggregation helps

share traffic among member interfaces in an aggregation group. In

addition to effectively improving the reliability on links between

devices, link aggregation can help gain greater bandwidth without

upgrading hardware.

Link

Aggregation

Control

Protocol

A protocol used for realizing link dynamic aggregation. The LACPDU is

used to exchange information with the peer device.

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(LACP)

Link-state

tracking

Link-state tracking provides an interface linkage scheme, extending the

range of link backup. Through monitoring upstream links and

synchronizing downstream links, faults of the upstream device can be

transferred quickly to the downstream device, and primary/backup

switching is triggered. In this way, it avoids traffic loss because the

downstream device does not sense faults of the upstream link.

M

Multi-mode

fiber In this fiber, multi-mode optical signals are transmitted.

N

Network Time

Protocol

(NTP)

A time synchronization protocol defined by RFC1305. It is used to

synchronize time between distributed time server and clients. NTP is

used to perform clock synchronization on all devices that have clocks in

the network. Therefore, the devices can provide different applications

based on a unified time. In addition, NTP can ensure a very high

accuracy with an error of 10ms or so.

O

Open Shortest

Path First

(OSPF)

An internal gateway dynamic routing protocol, which is used to decide

the route in an Autonomous System (AS)

Optical

Distribution

Frame (ODF)

A distribution connection device between the fiber and a communication

device. It is an important part of the optical transmission system. It is

mainly used for fiber splicing, optical connector installation, fiber

adjustment, additional pigtail storage, and fiber protection.

P

Password

Authentication

Protocol

(PAP)

PAP is an authentication protocol that uses a password in Point-to-Point

Protocol (PPP). It is a twice handshake protocol and transmits

unencrypted user names and passwords over the network. Therefore, it is

considered unsecure.

Point-to-point

Protocol over

Ethernet

(PPPoE)

PPPoE is a network protocol for encapsulating PPP frames in Ethernet

frames. With PPPoE, the remote access device can control and account

each access user.

Private VLAN

(PVLAN)

PVLAN adopts Layer 2 isolation technology. Only the upper VLAN is

visible globally. The lower VLANs are isolated from each other. If you

partition each interface of the switch or IP DSLAM device into a lower

VLAN, all interfaces are isolated from each other.

Grounding

cable The cable to connect the device to ground, usually a yellow/green

coaxial cable. Connecting the grounding cable properly is an important

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guarantee to lightning protection, anti-electric shock, and anti-

interference.

Q

QinQ

802.1Q in 802.1Q (QinQ), also called Stacked VLAN or Double VLAN,

is extended from 802.1Q and defined by IEEE 802.1ad recommendation.

This VLAN feature allows the equipment to add a VLAN tag to a tagged

packet. The implementation of QinQ is to add a public VLAN tag to a

packet with a private VLAN tag, making the packet encapsulated with

two layers of VLAN tags. The packet is forwarded over the ISP's

backbone network based on the public VLAN tag and the private VLAN

tag is transmitted as the data part of the packet. In this way, the QinQ

feature enables the transmission of the private VLANs to the peer end

transparently. There are two QinQ types: basic QinQ and selective

QinQ.

Quality of

Service (QoS)

A network security mechanism, used to solve problems of network delay

and congestion. When the network is overloaded or congested, QoS can

ensure that packets of important services are not delayed or discarded

and the network runs high efficiently. Depending on the specific system

and service, it may relate to jitter, delay, packet loss ratio, bit error ratio,

and signal-to-noise ratio.

R

Rapid

Spanning Tree

Protocol

(RSTP)

Evolution of the Spanning Tree Protocol (STP), which provides

improvements in the speed of convergence for bridged networks

Remote

Authentication

Dial In User

Service

(RADIUS)

RADIUS refers to a protocol used to authenticate and account users in

the network. RADIUS works in client/server mode. The RADIUS server

is responsible for receiving users' connection requests, authenticating

users, and replying configurations required by all clients to provide

services for users.

S

Simple

Network

Management

Protocol

(SNMP)

A network management protocol defined by Internet Engineering Task

Force (IETF) used to manage devices in the Internet. SNMP can make

the network management system to remotely manage all network

devices that support SNMP, including monitoring network status,

modifying network device configurations, and receiving network event

alarms. At present, SNMP is the most widely-used network management

protocol in the TCP/IP network.

Simple

Network Time

Protocol

(SNTP)

SNTP is mainly used for synchronizing time of devices in the network.

Single-mode In this fiber, single-mode optical signals are transmitted.

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fiber

Spanning Tree

Protocol

(STP)

STP can be used to eliminate network loops and back up link data. It

blocks loops in logic to prevent broadcast storms. When the unblocked

link fails, the blocked link is re-activated to act as the backup link.

V

Virtual Local

Area Network

(VLAN)

VLAN is a protocol proposed to solve broadcast and security issues for

Ethernet. It divides devices in a LAN into different segments logically

rather than physically, thus implementing multiple virtual work groups

which are based on Layer 2 isolation and do not affect each other.

VLAN

mapping

VLAN mapping is mainly used to replace the private VLAN Tag of the

Ethernet service packet with the ISP's VLAN Tag, making the packet

transmitted according to ISP's VLAN forwarding rules. When the packet

is sent to the peer private network from the ISP network, the VLAN Tag

is restored to the original private VLAN Tag according to the same

VLAN forwarding rules. Thus, the packet is sent to the destination

correctly.

6.2 Acronym and abbreviations

A

AAA Authentication, Authorization and Accounting

ABR Area Border Router

AC Alternating Current

ACL Access Control List

ANSI American National Standards Institute

APS Automatic Protection Switching

ARP Address Resolution Protocol

AS Autonomous System

ASCII American Standard Code for Information Interchange

ASE Autonomous System External

ATM Asynchronous Transfer Mode

AWG American Wire Gauge

B

BC Boundary Clock

BDR Backup Designated Router

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BITS Building Integrated Timing Supply System

BOOTP Bootstrap Protocol

BPDU Bridge Protocol Data Unit

BTS Base Transceiver Station

C

CAR Committed Access Rate

CAS Channel Associated Signaling

CBS Committed Burst Size

CE Customer Edge

CHAP Challenge Handshake Authentication Protocol

CIDR Classless Inter-Domain Routing

CIR Committed Information Rate

CIST Common Internal Spanning Tree

CLI Command Line Interface

CoS Class of Service

CPU Central Processing Unit

CRC Cyclic Redundancy Check

CSMA/CD Carrier Sense Multiple Access/Collision Detection

CST Common Spanning Tree

D

DAI Dynamic ARP Inspection

DBA Dynamic Bandwidth Allocation

DC Direct Current

DHCP Dynamic Host Configuration Protocol

DiffServ Differentiated Service

DNS Domain Name System

DRR Deficit Round Robin

DS Differentiated Services

DSL Digital Subscriber Line

E

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EAP Extensible Authentication Protocol

EAPoL EAP over LAN

EFM Ethernet in the First Mile

EMC Electro Magnetic Compatibility

EMI Electro Magnetic Interference

EMS Electro Magnetic Susceptibility

ERPS Ethernet Ring Protection Switching

ESD Electro Static Discharge

F

FCS Frame Check Sequence

FE Fast Ethernet

FIFO First Input First Output

FTP File Transfer Protocol

G

GARP Generic Attribute Registration Protocol

GE Gigabit Ethernet

GMRP GARP Multicast Registration Protocol

GVRP Generic VLAN Registration Protocol

H

HDLC High-level Data Link Control

HTTP Hyper Text Transfer Protocol

I

IANA Internet Assigned Numbers Authority

ICMP Internet Control Message Protocol

IE Internet Explorer

IEC International Electro technical Commission

IEEE Institute of Electrical and Electronics Engineers

IETF Internet Engineering Task Force

IGMP Internet Group Management Protocol

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IP Internet Protocol

IS-IS Intermediate System to Intermediate System Routing Protocol

ISP Internet Service Provider

ITU-T International Telecommunications Union - Telecommunication

Standardization Sector

L

LACP Link Aggregation Control Protocol

LACPDU Link Aggregation Control Protocol Data Unit

LAN Local Area Network

LCAS Link Capacity Adjustment Scheme

LLDP Link Layer Discovery Protocol

LLDPDU Link Layer Discovery Protocol Data Unit

M

MAC Medium Access Control

MDI Medium Dependent Interface

MDI-X Medium Dependent Interface cross-over

MIB Management Information Base

MSTI Multiple Spanning Tree Instance

MSTP Multiple Spanning Tree Protocol

MTBF Mean Time Between Failure

MTU Maximum Transmission Unit

MVR Multicast VLAN Registration

N

NMS Network Management System

NNM Network Node Management

NTP Network Time Protocol

NView NNM NView Network Node Management

O

OAM Operation, Administration, and Management

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OC Ordinary Clock

ODF Optical Distribution Frame

OID Object Identifiers

Option 82 DHCP Relay Agent Information Option

OSPF Open Shortest Path First

P

P2MP Point to Multipoint

P2P Point-to-Point

PADI PPPoE Active Discovery Initiation

PADO PPPoE Active Discovery Offer

PADS PPPoE Active Discovery Session-confirmation

PAP Password Authentication Protocol

PDU Protocol Data Unit

PE Provider Edge

PIM-DM Protocol Independent Multicast-Dense Mode

PIM-SM Protocol Independent Multicast-Sparse Mode

Ping Packet Internet Grope

PPP Point to Point Protocol

PPPoE PPP over Ethernet

PTP Precision Time Protocol

Q

QoS Quality of Service

R

RADIUS Remote Authentication Dial In User Service

RCMP Raisecom Cluster Management Protocol

RED Random Early Detection

RH Relative Humidity

RIP Routing Information Protocol

RMON Remote Network Monitoring

RNDP Raisecom Neighbor Discover Protocol

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ROS Raisecom Operating System

RPL Ring Protection Link

RRPS Raisecom Ring Protection Switching

RSTP Rapid Spanning Tree Protocol

RSVP Resource Reservation Protocol

RTDP Raisecom Topology Discover Protocol

S

SCADA Supervisory Control And Data Acquisition

SF Signal Fail

SFP Small Form-factor Pluggable

SFTP Secure File Transfer Protocol

SLA Service Level Agreement

SNMP Simple Network Management Protocol

SNTP Simple Network Time Protocol

SP Strict-Priority

SPF Shortest Path First

SSH Secure Shell

STP Spanning Tree Protocol

T

TACACS+ Terminal Access Controller Access Control System

TC Transparent Clock

TCP Transmission Control Protocol

TFTP Trivial File Transfer Protocol

TLV Type Length Value

ToS Type of Service

TPID Tag Protocol Identifier

TTL Time To Live

U

UDP User Datagram Protocol

USM User-Based Security Model

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V

VLAN Virtual Local Area Network

VRRP Virtual Router Redundancy Protocol

W

WAN Wide Area Network

WRR Weight Round Robin

Address: Raisecom Building, No. 11, East Area, No. 10 Block, East Xibeiwang Road, Haidian

District, Beijing, P.R.China Postal code: 100094 Tel: +86-10-82883305

Fax: 8610-82883056 http://www.raisecom.com Email: [email protected]

Gazelle S1020i-LI (A) User Manual (Rel 02)

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