HLR 3830 PWRBlazer™ Optical Node Instruction · PDF fileBuyer, improper installation or...

HLR 3830PWRBlazer™ Optical Node

Instruction Manual

Revision BSeptember 1998

i

Warranty Summary*This Harmonic Lightwaves product is warranted against defects in material andworkmanship for thirty-six (36) months from the date of shipment. HarmonicLightwaves will, at its option, either repair or replace products that prove to bedefective.

For warranty or repair, return this product to a service facility designated byHarmonic Lightwaves. Buyer shall prepay shipping charges to HarmonicLightwaves, and Harmonic Lightwaves shall pay shipping to return the product tothe Buyer. However, Buyer shall pay all shipping charges, duties and taxes forproducts returned to Harmonic Lightwaves from another country.

Harmonic Lightwaves warrants that its software, as well as firmware designated byHarmonic Lightwaves for use with the product, will execute its programminginstructions when installed properly. Harmonic Lightwaves does not warrant thatthe operation for the product or software or firmware will be uninterrupted or error-free.

Limitations of WarrantyThe foregoing warranty shall not apply to defects resulting from abuse, neglect byBuyer, improper installation or application by Buyer, Buyer-supplied software orinterfacing, unauthorized modification or misuse, operation outside of theenvironmental specifications for the product, or improper site penetration ormaintenance.

Note: No other warranty is expressed or implied. Harmonic Lightwaves specificallydisclaims the implied warranties or merchantability and fitness for a particularpurpose.

Exclusive RemediesThe remedies provided herein are the Buyer’s sole and exclusive remedies. HarmonicLightwaves shall not be liable for any direct, indirect, special, incidental orconsequential damages, whether based upon contract, tort or any other legal theory.

AssistanceFor assistance, contact your nearest Harmonic Lightwaves sales office.

Harmonic Lightwaves, Inc.549 Baltic WaySunnyvale, CA 94089Tel: 408/542-2500Toll-free: 800/730-4099Fax: 408/542-2511

Part Number: 700-0005045-1Revision: B- September 1998

* See Order Acknowledgment for complete warranty details.

iv

ATTENTIONACHTUNG

Pursuant to the pertinent sections of Title 21, (United States) Code of Federal Regulations(CFR), Chapter I, Subchapter J, and administered by the Center for Devices andRadiological Health (CDRH), operating under the Food and Drug Administration (FDA),this product, which produces or receives an optical signal, composed of Laser Radiation,complies with 21 CFR Chapter I, Subchapter J, as applicable to Class I Laser Products.

DANGER: Invisible Laser Radiation, when open or when operating with fiberdisconnected. AVOID DIRECT EXPOSURE TO THE BEAM. Never operate unit witha broken fiber or with a fiber connector disconnected.

DANGER: la source laser émet une radiation invisible. EVITER UNE EXPOSITIONDIRECTE AU FAISCEAU.

Unsichtbare Laserstrahlung. Nicht dem Strahl aussetzen.Vorsicht: Unsichtbare Laserstrahlung , wenn Abdeckung geöffnet oder Fiber Kabelentfernt.Das Gerät nicht einschalten, wenn Fiber Kabel beschädigt oder nicht angeschlossen ist.

CAUTION: There are no user serviceable parts inside, refer all servicing to qualifiedservice personnel. Other than those specific measurements, adjustments and tests specifiedin this manual, make NO attempt to modify or alter any circuit or assembly in any manner.

ATTENTION: Toute intervention sur cet équipement est formellement déconseillée parle fabricant. En dehors des réglages décrits dans le manuel, l'utilisateur doit contacter unepersonne qualifiée par le fabricant pour toute modification ou réparation.

Vorsicht: Es sind keine zu wartende Teile im Gerät, alle Wartungsarbeiten nur vonqualifiziertem Personal ausführen lassen. Es dürfen nur die im Handbuch spezifischaufgeführten Messungen, Justierungen und Tests vom Benutzer vorgenommen werden.Unter keinen Umständen, dürfen Modifikationen oder Änderungen jeglicher Art am Gerätunternommen werden.

710-0000001 Rev. C

vi

Table of ContentsChapter 1: Introduction ......................................................................................1

About this Manual ..................................................................................................... 1

Product Description ................................................................................................... 1

Product Application................................................................................................... 2

Technical Specifications............................................................................................. 3

Figure 1: HLR 3830 Functional Block Diagram ..................................................... 9

Figure 2: PWRBlazer Open Node .......................................................................... 10

Chapter 2: Functional Description ..................................................................11

PWRBlazer Operation ............................................................................................. 11

Optical Receiver........................................................................................................ 11

RF Amplifier ............................................................................................................. 12

Return Laser.............................................................................................................. 12

Powering the Unit .................................................................................................... 13

Status Monitoring..................................................................................................... 13

Chapter 3: Installation ......................................................................................15

Receiving and Inspection ........................................................................................ 15

Installation Tools ...................................................................................................... 15

Figure 3: PWRBlazer RF Board .............................................................................. 16

Installing the GD1D Receiver Module .................................................................. 17

Installing the GD2AB Receiver Module................................................................ 19

Installing the Return Transmitter Module ........................................................... 20

Installing the Fiber Service Cable .......................................................................... 21

Bench Configuration of the RF Amplifier............................................................. 21

Field Installation – Strand Mount .......................................................................... 22

Field Installation – Wall or Pedestal Mount......................................................... 23

Setting Up the Forward Path (GD1D) ................................................................... 24

Setting Up the Forward Path (GD2AB)................................................................. 25

Setting Up the Return Path ..................................................................................... 26

Return Auxiliary Port Configuration.................................................................... 27

vii

Table of Contents, cont.Figure 4: GD1D-87 Receiver Card.......................................................................... 28

Table 1: Conversion Chart: dBm to mW............................................................... 29

CDM-1 Calibration and Alignment Procedure.................................................... 30

Figure 5: CDM-XX Card.......................................................................................... 32

Lid Closing and Tightening Procedure................................................................. 33

Figure 6: Tightening Sequence ............................................................................... 33

Care and Handling of Optical Connectors ........................................................... 34

Figure 7: Typical Strand Mount ............................................................................. 35

Table 2: Available Attenuators............................................................................... 36

Table 3: Cable Equalization Operating Band: 50 to 750 MHz............................ 37

Table 4: Cable Equalization Operating Band: 50 to 870 MHz............................ 38

Table 5: Linear Equalization ................................................................................... 38

Chapter 4: Maintenance ...................................................................................39

In Case of Problems ................................................................................................. 39

Chapter 5: Harmonic Lightwaves Office Listings ..........................................41

Harmonic Lightwaves Offices................................................................................ 41

International Sales Offices....................................................................................... 42

HLR 3830 Optical Receiver Instruction Manual 1

Chapter 1

Introduction

About this ManualThis instruction manual is a complete guide to installing and operatingthe PWRBlazer Optical Node (model HLR 3830). Please read the entiremanual before beginning installation. The manual addresses theassembly and configuration of the node modules, best performed in anindoor testing area. We recommend that you power and test the fullyconfigured node as indicated. The manual also addresses mounting thenode in the field and performing the remaining installation steps.

Product DescriptionThe PWRBlazer CATV optical node addresses current needs for high RFdistribution levels, multiple output levels and cost-effective operation, withfuture service capabilities. The PWRBlazer includes several modularcomponents: The basic unit, an optical receiver module and an optionalreturn transmitter module.

The basic node includes a 1 GHz housing, high-efficiency switchingpower supply, fiber organizer and RF amplifier with diplex filters. Tworeceiver modules are available: The GD1D-87 has a single broadbandreceiver with the capability of adding a digital, high-band receiver. TheGD2AB-87 contains two broadband receivers and an automatic A/Bswitch. The latter is ideal for fiber redundant architectures. Both areavailable with either SC/UPC or SC/APC (recommended) opticalconnectors.

Rev. B2

Product ApplicationThe PWRBlazer is a high-performance optical node, allowing operatorsto shorten long trunk cascades or feed subscribers directly from a fibernode. This optical node is intended for fiber-to-the-trunk, fiber-to-the-feeder, and fiber-to-the-drop applications.

The PWRBlazer optical node accepts either a single broadcast receiver ora dual broadcast/data receiver, which converts either 1310 nm or1550 nm optical power to RF with a nominal output level of 45 dBmV.Output slope and level are controlled using plug-in pads and equalizers.The optical return path is activated using one of three plug-in lasertransmitters.


Technical Specifications

Optical ReceiverOptical InputForward passband: 45 to 870 MHzOptical input range: -6 to +3 dBmModels available

GD1D-87-SC: Single broadband input, SC/UPCGD1D-87-SCA: Single broadband input, SC/APCGD2AB-87-SC1: Dual broadband input, SC/UPCGD2AB-87-SCA1: Dual broadband input, SC/APC

Return loss: 40 dB minimum

RF OutputRF output level (minimum) in dBmV2 at 3.7% modulation index:

OPTICAL INPUTModel: +1 dBm –3 dBmGDID-87-SC +27 +19GDID-87-SCA +27 +19GD2AB-87-SC +25 +17GD2AB-87-SCA +25 +17

Noise: 8 pA/√HzResponsivity: 0.85 A/WFor optical link performance, see the appropriate transmitter data sheet.

Frequency response:Model FlatnessGDID-87-SC ±0.75GDID-87-SCA ±0.75GD2AB-87-SC ±1.0GD2AB-87-SCA ±1.0

Switching threshold (GD2AB-87-SC and GD2AB-87-SCA): –5 dBm optical input

AmplifierPorts: 3 RF output/input and 1 direct return inputCarrier-to-hum modulation3,4

5-15 MHz, 60 dB15-870 MHz, 70 dB

Group delay: 7 nSForward to return isolation: 50 dB9

Rev. B4

Forward PathMinimum forward full gain: 29 dB2

Forward operational gain: 26.5 dBFrequency response: ±0.5 dBReturn loss: 16 dBAt 46 dBmV output level at 870 MHz5,6

Noise figure (54 MHz): 12.5 dBNoise figure (750 MHz): 9.2 dBC/CSO: > 70 dBC/CTB: > 67 dBC/XMOD: > 67 dB

At 34 dBmV output level at 870 MHz:5,7

Noise figure (54 MHz): 14.6 dBNoise figure (750 MHz): 11.8 dBC/CSO: > 72 dBC/CTB: > 77 dBC/XMOD: > 78 dB

Return PathOperational gain (from ports 2, 3 and 4): 14 dB2

Operational gain (from port 1): 10 dB minimum2

Frequency response: ±1 dBReturn loss: 16 dB

Operating BandModel Forward Path Return PathHLR 3830-30 46-870 MHz 5-30 MHzHLR 3830-42 53-870 MHz 5-42 MHzHLR 3830-62 86-870 MHz 5-62 MHzHLR 3830-1861 222-870 MHz 5-186 MHz

Entire UnitPower RequirementsAC input voltage: 35 to 90 VACAC input frequency: 50 to 60 HzAC current passing per port: 15 A8

ConsumptionHLR 3830: 23 WGD1D: 6 WGD2AB: 12 W


PhysicalDimensions: 11.36" L x 8.03" H x 9.06" W

28.9 cm L x 20.4 cm H x 23.0 cm WWeight: 17.5 lb/7.9 kgMounting: Strand, wall or pedestal

EnvironmentalOperating temperature range: –40 to 60° C/–40 to +140° FRelative humidity: 0 to 100%

OPTIONAL ACCESSORIESPlug-in Attenuators, Plug-in Slope Equalizers, Return Path Low-Pass Filters, Mute:

see Receiver Accessories Data Sheet for details

Plug-In Digital ReceiverCDM-1:600-750 MHz narrowcast receiver kit.For use with GD1D-87-SC and GC1D-87-SCA.

Status TransponderSMT5030 (optional)

Service CableHSC 1430-AS: SC/APC (optional)HSC 1430-AS: SC/UPC (optional)

Notes1. Available 19982. Jumpers installed in place of pads (0 dB attenuation) and slope equalizers (0 dB slope) in all locations3. At 68°F (20°C)4. Passing 15 A5. 77 System M (NTSC) channels between 54 and 550 MHz with 0 dBm input6. 10 dB slope from 54 to 870 MHz on all outputs7. 6 dB slop from 54 to 870 MHz on all outputs8. At 60 VAC, 60 Hz9. With optional return low pass filter (GD-RLPF/30, GD-RLPF/42, or GD-RLFP/62) installed

Rev. B6

RETURN PATH TRANSMITTERSLaser TypeRPT 3234: Uncooled Fabry-Perot (FP)RPT 3235: Isolated, uncooled Distributed Feedback (DFB)RPT 3236: Isolated, cooled Distributed Feedback (DFB)

Link PerformanceRPT 32341

Carrier-to-Noise (CNR): 40 dBComposite Triple Beat (CTB): –40 dBcComposite Second Order (CSO): –40 dBcDynamic Range (at 30 dB S/(N+I): 8 dB

RPT 3235Video CNR2 : 51 dBData S/(N+I)3 (up to 8 dB optical link)4

18 channels: 25 dB10 channels: 30 dB4 channels: 35 dB

Data S/(N+I)3 (up to 10 dB optical link)4

12 channels: 25 dB6 channels: 30 dB2 channels: 35 dB

RPT 3236CNR

1-4 dB optical link: 51 dB4-7 dB optical link: 50 dB7-10 dB optical link: 48 dB10-12 dB optical link: 46 dB12-14 dB optical link: 45 dB

CTB: –70 dBcCSO: –65 dBc


RF InputOperational bandwidth: 5-200 MHzNominal input level

RPT 323430 dBmV/ch

RPT 3235Video: 36 dBmV/chData: 45 dBmV/Hz6

RPT 3236: 36 dBmV/chFlatness: ±1 dBConnector: SMB (75 Ω)Impedance: 75 ΩReturn loss: 16 dB

Optical OutputMinimum output power

RPT 3234: –4.2 dBmRPT 3235: 0 dBmRPT 3236: +3 dBm

Wavelength: 1300-1320 nmConnector type

RPT 3234-US: SC/UPCRPT 3234-AS: SC/APCRPT 3235-US: SC/UPCRPT 3235-AS: SC/APCRPT 3236-US: SC/UPCRPT 3236-AS: SC/APC

User InterfacePower on green LEDMonitor point

Level: –20 dBAccuracy: ±1 dBFlatness: ±1 dBReturn Loss: 16 dBImpedance: 75 ΩConnector type: Female F

Element Management System - NETWatch ™ /HEM 5000Interface to SMT/NMT 5030 monitors laser output power and laser current.

Rev. B8

Power RequirementsInput voltage: +24 VDCConsumption

RPT 3234: 4 WattsRPT 3235/3236: 10 Watts

PhysicalDimensions: 5.8" L x 1.0" H x 3.1" D

(14.7 cm x 2.5 cm x 7.9 cm)Weight

RPT 3234/3235: 0.5 lbs. (0.22 kg)RPT 3236: 0.8 lbs. (0.36 kg)

Mounting: HLR 3830 optical node

Notes1. Four carriers over 5 dB link, 1.5 MHz bandwidth2. One System M video carrier over 0-8 dB optical link, 4 MHz bandwidth3. Signal to Noise plus Intermodulation Distortion4. Each channel is 1.5 Mbps QPSK5. Four System M video carriers, 4 MHz bandwidth6. For 30 dB S/N+I) with 17 dB dynamic range

System and Block Diagrams

Figure 1. HLR 3830 Block Diagram

Figure 2. PWRBlazer Open Node


Figure 1 - HLR 3830 Block Diagram

Rev. B10

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Figure 2 – PWRBLazer Open Node


Chapter 2

Functional Description

Functional Description

PWRBlazer OperationThe PWRBlazer is composed of the following major subassemblies:

• 1 GHz housing assembly

• 1310/1550 nm optical receiver with 45-870 MHz detection capability

• Optional narrowcast receiver

• 40 to 90 VAC high efficiency switching power supply

• Forward RF amplifier with input and interstage pads and equalizerswith three drive ports

• Return RF amplifier with three standard inputs and one auxiliary5-200 MHz input

• Optional return path transmitter

The optical receiver, return laser transmitter and power supply are alllocated in a field-replaceable lid assembly. RF electronics and power-passing input and output modules are located in the base of the housingassembly.

Optical ReceiversTwo optical receiver models are available. The GD1D is used fornetworks that require a single, broadband receiver or an analogvideo/data dual receiver. The GD2AB is used for networks that requirefiber route redundancy.

Rev. B12

The GD1D operates over optical input levels ranging from +3 to –6 dBmwith a 3.7% modulation index. The receiver consists of a PIN diodedetector followed by a hybrid post amplifier. Optical power level ismonitored via a proportional voltage test point (1 V/mW). A 20 dBdirectional coupler RF test point is available immediately following thehybrid post amplifier.

The GD2AB optical receiver consists of two integrateddetector/amplifiers followed by an automatic RF switch. When theoptical input to receiver A is greater than –5 dBm, the RF switchconnects the output from receiver A to the module output. When theinput to receiver A falls below –5 dBm, the switch connects the outputfrom receiver B to the module output. The module features LEDs toindicate that the received optical power for both the A and B receivers isabove –5 dBm as well as a –20 dB, directionally-coupled RF test point onthe module RF output.

Both receiver modules are available with SC/UPC or SC/APC(recommended) optical connectors.

RF AmplifierThe forward path of the RF amplifier consists of an input hybridfollowed by three power doubler-driven outputs. Equalizer and padfacilities are provided at the input to each hybrid, with an additionalequalizer slot in common to Ports 2 and 4. All three output ports have adiplex filter to separate the forward from the return signals. Diplexerswith four frequency splits are available. Directional coupler test pointsare at each forward output, immediately following each diplex filter.

The reverse path of the amplifier accepts inputs from each of Ports 2through 4, as well as a 5 to 200 MHz input from Port 1. Pads can beinstalled in each reverse input leg as well as in the common output legimmediately preceding the return laser. Input directionally-coupled testpoints also are available at each leg. Sockets are available for installationof programmable mute switch attenuators for reverse path ingressisolation.

Return LaserThe RPT 3234 return path transmitter is an uncooled Fabry-Perot laserwith an output of –4 dBm. This transmitter is ideal for transmission ofinformation with low data rates, such as status monitoring and set-topinformation.


Other return path transmitters available for the PWRBlazer include theRPT 3235, with a 0 dBm distributed feedback (DFB) laser, and the RPT3236 transmitter, with a +3 dBm cooled DFB laser. These are used inapplications requiring upstream transmission of video signals or highdata rates.

All three transmitters have a 20 dB directional coupler test point toallow monitoring at the input RF level.

Powering the UnitAny one of the four available RF ports can be used to power thePWRBlazer. Quasi-square wave inputs from 35 to 90 VAC aresupported. A PSR3 switching power supply supplies DC power. Thetotal power consumption for the PWRBlazer, including return laser, isless than 45 W.

Status MonitoringTest points are available on the RF module, optical receiver and returnlaser for monitoring vital status outputs such as DC voltage, AC voltage,upstream optical input power level and downstream optical outputlevel. Connection to these outputs is via a multiple header connector.

An optional Status Monitoring Transponder is available to allowmonitoring and control of the node via Harmonic Lightwaves’NETWatch element management system.

Rev. B14


Chapter 3

Installation

Installation

Receiving and InspectionAs you unpack your unit, inspect the shipping container and equipmentfor damage. Save the shipping material for future use.

If the container or the equipment is damaged, notify both the freightcarrier and Harmonic Lightwaves (800/730-4099). To protect theoperator from potential injury, and to protect the equipment fromfurther damage, do not perform any operational tests.

Installation ToolsDANGER: Invisible laser radiation when open or when operating

with fiber disconnected.AVOID DIRECT EXPOSURE TO BEAM.

The steps in the sections titled “Installing the GD1D Receiver Module,”“Installing the GD2AB Receiver Module” and “Installing the ReturnTransmitter Module” should be performed on a bench, in an indoorlocation. The unit can then be closed and transported to the fieldlocation where it is to be installed.

Note that plug-in labels (e.g., "Pad 1") refer to the silk screen on theappropriate board; test point labels (e.g., "TP 1") refer to the designationon the cover of the appropriate module.

Figure 3 is a diagram of the RF board of the PWRBlazer with the plug-inlocations identified. A block diagram of the PWRBlazer is shown inFigure 1.

If you desire any other configuration, contact the factory for installationinstructions.

Rev. B16

Figure 3 – PWRBlazer RF Board


Materials required for installation:

• Fiber service cable (HSC 1x30-xx)

• An assortment of plug-in attenuators (9PD1-xx, as shown in Table 2)

• Any required plug-in slope equalizer (9PEQ-xx750 or 9PEQ-xx870, asshown in Tables 3, 4, and 5) with required slope

• One return low-pass filter (model GP-RLPF/30, GP-RLPF/42, or GP-RLPF/62

• Four stinger adapters (Gilbert GN-625-CH-T or equivalent)

Tools required for installation:

• HP 8591C Spectrum Analyzer or equivalent

• DC voltmeter with an accuracy of ±2% or better

• 3/8 inch wrench or nut driver

• Needle-nose pliers

• Medium flat blade screwdriver

• Torque wrench

Installing the GD1D Receiver Module

WARNING: The laser light received and generated within thePWRBlazer is dangerous. It contains enough energy tocause permanent damage to the retina of the eye. Takeparticular care when connecting fibers to and from themodules, or when fibers are unconnected within thestations. There is no visible warning of the energy onthese fibers. Exposure to the direct beam at fiber ends, orto laser light that might reflect off a shiny surface, is apotential hazard.

NOTE: Clean all optical connectors and bulkhead adapters. Dirtyconnectors and adapters can contribute to many optical-related problems. See the section on “Care and Handlingof Optical Connectors” for cleaning procedures. Place theprotective caps on all unused connectors and bulkheadadapters.

1. Using the 3/8 inch wrench or nut driver, open the housing byloosening the six bolts. Inspect the plug-in locations on the RFboard and ensure that there is a wire jumper in each location.

2. If it is not open, open the cover of the optics section by looseningthe captive screw and lifting up on the cover near the screw.

Rev. B18

3. Place the receiver module (model number GD1D-87- SC or GD1D-87-SCA) in the housing against the wall opposite the power supply.Secure the module by tightening the three screws with thescrewdriver.

4. Insert the optical connector bulkhead adapter into the mountingbracket on the cover.

5. Gently route the optical fiber around one fiber organizer. Be sure toleave sufficient slack in the fiber to allow for closing the fiberorganizer without damaging the fiber.


Installing the GD2AB Receiver Module


NOTE: Clean all optical connectors and bulkhead adapters.Dirty connectors and adapters can contribute to manyoptical-related problems. See the section on “Care andHandling of Optical Connectors” for cleaningprocedures. Place the protective caps on all unusedconnectors and bulkhead adapters.

1. Using the 3/8 inch wrench or nut driver, open the cover byloosening the six bolts. Inspect the plug-in locations on the RFboard and ensure that there is a wire jumper in each location.


3. Place the receiver module (model number GD2AB-87- SC or GD2AB-87-SCA) in the housing against the wall opposite the power supply. Securethe module by tightening the three screws with the screwdriver.

4. Insert the two optical connector bulkhead adapters into themounting bracket on the cover.

5. Gently route the two optical fibers around one fiber organizer. Besure to leave sufficient slack in the fibers to permit closing the fiberorganizer without damaging the fiber.

6. Remove the dust covers from the optical connectors and bulkheadadapters and plug them together. Note which fiber is for receiver Aand which is for receiver B.

7. Plug the red and black cable from the power supply into theconnector labeled “PWR” on the receiver module.

8. Route the coaxial cable from the receiver module along the powercable and through the plastic clip to the interface board. Plug thecable into the connector labeled “RCVR” on the board.

9. Close the cover of the optics section and tighten the captive screw tosecure the cover in place.

Rev. B20

Installing the Return Transmitter Module


NOTE: Clean all optical connectors and bulkhead adapters.Dirty connectors and adapters can contribute to manyoptical-related problems. See the section on “Care andHandling of Optical Connectors” for cleaningprocedures. Place the protective caps on all unusedconnectors and bulkhead adapters.


2. Place the transmitter module (model RPT 3234-US, RPT 3234-AS,RPT3235-US, RPT3235-AS, RPT3236-US, or RPT3236-AS) betweenthe receiver module and the power supply.

3. Secure the module by tightening the two screws with thescrewdriver.

4. Insert the optical connector bulkhead adapter into the mountingbracket on the cover.

5. Gently route the optical fiber around one fiber organizer. Be sure toleave sufficient slack in the fiber to allow closing the fiberorganizer without damaging the fiber.

6. Remove the dust cover from the optical connector and bulkheadadapter and plug them together. Note into which connector thefiber from the transmitter is plugged.

7. Plug the blue and white cable from the power supply into theconnector labeled “PWR” on the return transmitter module.

8. Route the coaxial cable from the transmitter module along thepower cable and through the plastic clip to the interface board. Plugthe cable into the connector labeled “LSR” on the board.

9. Close the cover of the optics section and tighten the captive screw tosecure the cover in place.


Installing the Fiber Service Cable

1. If it is not open, open the cover of the optics section by looseningthe captive screw and lifting the cover near the screw.

2. One by one, carefully feed each of the optical connectors of thefiber service cable through the fiber port into the housing.

3. Screw the 5/8-24 fitting of the service cable into the fiber port.Tighten to 5 ft.-lb. torque.

4. Adjust the cable length within the housing to approximately 2inches (5 cm) and tighten the fitting sealing nut to 10 ft.-lb. torque.

5. Gently route the optical fibers around one of the fiber organizers.Be sure to leave sufficient slack in the fiber to allow closing thefiber organizer without damaging the fiber.

6. Remove the dust cover from the optical connectors and bulkheadadapters. Plug the cable from the service cable into the appropriatebulkhead connector.

7. Close the cover of the optics section and tighten the captive screwto secure the cover in place.

Bench Configuration of the RF Amplifier

1. Ensure that the blue jumper on the interface board connects “J4” to“J5,” and a second blue jumper on the RF board connects “J70” to“J71.”

2. Cut the wire of the stinger adapters such that the length from thesealing surface is 1.45 inches.

3. Install the four stinger adapters in the four RF ports of the housing.Tighten to 5 ft.-lb. torque. Tighten the seizure screw for each portusing the screwdriver.

4. On the seizure boards near each port is a black jumper for routingthe power for each port. Using the needle nose pliers, remove thejumpers from all ports except the port that will supply power to theunit.

NOTE: A power inserter must be used between the power supplyand the HLR 3830. This will filter out RF noise generated inthe power supply.

5. Install any required pads by first using the needle nose pliers toremove the wire jumper in the location(s). A pad is then simplyinstalled by inserting the three pins on the pad into the threesockets on the board. Pad locations are shown in Figure 3.

Rev. B22

6. Install any required slope equalizers by first using the needle nosepliers to remove the wire jumper in the location(s). An equalizer isthen simply installed by inserting the three pins on the equalizerinto the three sockets on the board. Equalizer locations are shownin Figure 3.

7. Use the needle nose pliers to remove the wire jumper in the LPlocation. Install the appropriate low pass filter (model GD-RLPF/30, GD-RLPF/42, or GD-RLPF/62) into this location insertingthe pins on the filter into the sockets on the board.

8. If a status transponder is to be installed, do so now. Follow theinstructions supplied with the transponder.

9. If the mute switches (GD10WS) are to be installed, first locate thethree locations for these (refer to Figure 3). Use the needle nosepliers to remove the wire jumper in the location(s). The muteswitch is then simply installed by inserting the pins on the switchinto the sockets on the board.

10. The unit should is now ready to be mounted in the location atwhich it will be operated. Close the housing before transporting(see section titled “Lid Closing and Tightening Procedure”).

Field Installation — Strand Mount

The following tools are required to install the housing:

• Torque wrench and 1/2 inch socket (for the messenger cable clampbolts and cover bolts)

• 3/4 inch open end wrench

• 13/16 inch and 15/16 inch open-end wrenches

• 1/4 inch flat blade screwdriver

• #2 Phillips screwdriver

• 3/8 inch wrench or nut driver

Strand mounting enables streetside access to the housing. Once thehousing is mounted, the coax and fiber cables can be connected to eitherend port of the receiver housing. Use the following steps to mount thePWRBlazer housing to the messenger cable:


1. Loosen the messenger cable clamp bolts.

2. Lift the housing and set the strand inside the grooves of the twomessenger clamp bolts (refer to Figure 7).

3. Use the torque wrench and 1/2 inch socket to tighten the cableclamp bolts to 5 to 8 ft.-lb.

4. Connect the optical fiber in the service cable to your network.

NOTE: This unit can be damaged with optical inputs greater than+6 dBm, and will not operate properly with inputs greaterthan +3 dBm.

5. Open the housing by loosening the six bolts (see section titled“Lid Closing and Tightening Procedure”).

6. Connect the network RF cables to the unit. Power the unit.

7. Measure the AC input voltage on the AC TEST POINT socket onthe RF module. Confirm that it is within the range of 40 to 90 V.


8. Using the DC voltmeter, check for proper DC voltage (+24 VDC)between the DC TEST POINT and GND socket on the RF module.

Field Installation — Wall or Pedestal Mount

The following tools are required to install the housing:

• Torque wrench and 1/2 inch socket (for the messenger cable clampbolts and cover bolts)

• 3/4 inch open end wrench

• 13/16 inch and 15/16 inch open end wrenches

• 1/4 inch flat blade screwdriver

• #2 Phillips screwdriver

• 3/8 wrench or nut driver

Two blank holes are provided on the back of the housing for mountingon a pedestal or wall.

NOTE: Install the coax and fiber cables before permanentlymounting the housing.

1. Connect the network RF cables to the unit. Power the unit.

2. Secure the housing to the pedestal bracket with the self-tappingmessenger cable clamp bolts.

Rev. B24

3. Use the strand clamps for spacers as required.

4. Connect the optical fiber in the service cable to your network.

NOTE: This unit can be damaged with optical inputs greater than+6 dBm, and will not operate properly with inputs greaterthan +3 dBm.

5. Open the housing by loosening the six bolts (see the section titled“Lid Closing and Tightening Procedure”).

6. Measure the AC input voltage on the AC TEST POINT socket onthe RF module. Confirm that it is within the range of 40 to 90 V.


7. Using the DC voltmeter, check for proper DC voltage (+24 VDC)between the DC TEST POINT and GND socket on the RF module.

Setting Up the Forward Path (GD1D)

1. Open the housing by loosening the six bolts (see section titled “LidClosing and Tightening Procedure”).

2. Ensure that the unit is powered and that a signal is on the detector.The LED on the GD1D should be green.

3. Measure the DC voltage between TP1 and TP2 on the GD1Dreceiver module (see Figure 4). Table 1 gives the conversion of thisvoltage to received optical power. Insure that the received opticalpower is correct.

4. Connect the spectrum analyzer to the F connector on the outside ofthe housing, which is connected to the “FWD2 TP” near Port 2.Measure the RF level at the highest frequency.

5. Add 20 dB to the value obtained in Step 4. Subtract the requiredoutput level from this value. The result is the change in pad valuein dB that should be installed in the “PAD 1” location (see Figure3). Record the new pad value.

6. Install the required pad in the “PAD 1” location (see Figure 3). Ifnecessary, first use the needle nose pliers to remove the wirejumper from this location.


Setting Up the Forward Path (GD2AB)

1. Open the housing by loosening the six bolts. (See section titled“Care and Handling of Optical Connectors.”)

2. Ensure that the unit is powered and that a signal is on both the Aand B detectors. Both LEDs on the GD2AB should be green.

3. Measure the DC voltage between both the A and B received powertest point and the ground test point on the GD2AB receivermodule. Table 1 gives the conversion of this voltage to receivedoptical power. Insure that the received optical power is correct.

4. Set the A/B control switch to the “A” position.

5. Connect the spectrum analyzer to the –20 dB test point on theGD2AB. Measure the RF level at the highest frequency. Note thisvalue.

6. Switch the A/B control switch to the “B” position.

7. With the spectrum analyzer still connected to the –20 dB test pointon the GD2AB, measure the RF level at the highest frequency.Note this value.

8. Subtract the level obtained in (7) from the level obtained in step(5). If the difference is a positive number, install a pad of this valuein the PAD A location on the GD2AB. If the value is negative,install a pad of the absolute value of this value in the PAD Blocation.

9. Ensure that the level on the test point varies by less than 1 dBwhen the switch is moved form “A” and “B.”

10. Connect the spectrum analyzer to the F connector on the outside ofthe housing, which is connected to the “FWD2 TP” near Port 2.Measure the RF level at the highest frequency.

11. Add 20 dB to the value obtained in Step 10. Subtract the requiredoutput level from this value. The result is the change in pad valuein dB that should be installed in the “PAD 1” location (see Figure3). Record the new pad value.

12. Install the required pad in the “PAD 1” location (see Figure 3). Ifnecessary, first use the needle nose pliers to remove the wirejumper from this location.

Rev. B26

Setting Up the Return Path

1. Remove wire jumpers from the Port 1, Port 3 and Port 4 returninput pad locations “PAD 6,” “PAD 7,” and “PAD 8” (as shown inFigure 3).

2. Using the spectrum analyzer, measure the return output level at thereturn output level test point “REV OUT TP” (see Figure 1).

3. Add 20 dB to the value obtained in the previous step. Subtract 30dBmV/carrier from this value. The result is the pad value in dBthat should be installed in the “PAD 5” location.

4. Remove the wire jumper from the Port 2 return input pad location,“PAD 6.” Install the wire jumper in the Port 3 return pad location,“PAD 5.”

5. Using the spectrum analyzer, measure the return output level at thereturn test point on the RPT 3234.

6. Add 20 dB to the value obtained in the previous step. Subtract 30dBmV/carrier from this value. The result is the pad value in dBwhich should be installed in the “PAD 6” location.

7. Remove the wire jumper from the Port 3 return input pad location,“PAD 5.” Install a wire jumper in the Port 4 return pad location,“PAD 7.”

8. Using the spectrum analyzer, measure the return output level at thereturn output level test point (“TP RTN”).

9. Add 20 dB to the value obtained in the previous step. Subtract 30dBmV/carrier from this value. The result is the pad value in dBthat should be installed in the “PAD 7” location.

10. Remove the wire jumper from the Port 4 return input pad location,“PAD 7.” Install a wire jumper in the Port 1 return pad location,“PAD 8.”

11. Using the spectrum analyzer, measure the return output level at thereturn output level test point (“TP RTN”).

12. Add 20 dB to the value obtained in the previous step. Subtract 30dBmV/carrier from this value. The result is the pad value in dBthat should be installed in the “PAD 8” location. Record this padvalue.

13. Remove the wire jumper from the Port 1 return input pad location,“PAD 8.” Install the appropriate pads in all pad locations, referringto the pad values recorded in the steps above.

14. Close and secure the housing (see section titled “Closing andTightening the Housing.”)


Return Auxiliary Port Configuration

Port 1 of the PWRBlazer optical node can be configured as either a 5 to200 MHz RF input or output.

To configure Port 1 as an RF output (no return transmitter):

1. On the GD-INT interface board, in place of a diplex filter at Port 1,connect the blue jumper provided between “J5” and “J6,” in theorientation labeled “RF.”

2. On the main PC board of the RF module, connect the blue jumperprovided between “J71” and “J72.”

To configure Port 1 as an RF input (return transmitter installed):

1. On the GD-INT interface board, connect the blue jumper providedbetween “J5” and “J4,” in the orientation labeled “LSR.”

2. On the main PC board of the RF module, connect the blue jumperprovided between “J70” and “J71.”

Rev. B28

C D M - 1

R FA M P

Q 1

D 3

R 1

T P 2G N D

T P 1

L3

C1 1

R 6

R 7D 1

R 2U 1

C 1

R F O u t

T P 3 2 0 d B

D 2

L5

G 1

G 2

T1

L 1

L 4

T 2

C 6

R E C - O PG N D

C D M - O P

P W RP L U G

+ 2 4 V

P 2

P 1

F I L T E R C O M B I N E R

U 2

Figure 4 – GD1D-87 Receiver Card


VoltmeterReading

mW dBm(optical)

(volts) 1310 nm 1550 nm 1310 nm 1550 nm3.0 3.00 2.73 4.8 4.42.9 2.90 2.64 4.6 4.22.8 2.80 2.55 4.5 4.12.7 2.70 2.45 4.3 3.92.6 2.60 2.36 4.1 3.72.5 2.50 2.27 4.0 3.62.4 2.40 2.18 3.8 3.42.3 2.30 2.09 3.6 3.22.2 2.20 2.00 3.4 3.02.1 2.10 1.91 3.2 2.82.0 2.00 1.82 3.0 2.61.9 1.90 1.73 2.8 2.41.8 1.80 1.64 2.6 2.11.7 1.70 1.55 2.3 1.91.6 1.60 1.45 2.0 1.61.5 1.50 1.36 1.8 1.31.4 1.40 1.27 1.5 1.01.3 1.30 1.18 1.1 0.71.2 1.20 1.09 0.8 0.41.1 1.10 1.00 0.4 0.01.0 1.00 0.91 0.0 -0.40.9 0.90 0.82 -0.5 -0.90.8 0.80 0.73 -1.0 -1.40.7 0.70 0.64 -1.5 -2.00.6 0.60 0.55 -2.2 -2.60.5 0.50 0.45 -3.0 -3.40.4 0.40 0.36 -4.0 -4.40.3 0.30 0.27 -5.2 -5.60.2 0.20 0.18 -7.0 -7.40.1 0.10 0.09 -10.0 -10.4

Table 1 – Conversion Chart: dBm to mW

Rev. B30

CDM-1 Calibration and Alignment ProcedureThe CDM-1 is a high-band (600-750 MHz) digital receiver kit for theGDID-87 receiver modules. The CDM-1 kit includes a receiver plug-inand a diplex filter for combining the analog and digital information onthe GDID-87 receiver module (see Figure 5).

Test equipment required:

• Network analyzer HP8754A or equivalent

• A laser transmitter with a bandwidth that extends to at least 750 MHz

• DC voltmeter with input resistance of 100,000 ohms or greater

• Noyes optical power meter Model OPM1-4 or equivalent

• Optical jumper (D4 to AT&T rotary mechanical splice)

• AT&T spring clip tool #994A & AT&T “B” alignment sleeves

• Math & Associates coupling gel T1034

DANGER: Invisible laser radiation when open or when operatingwith fiber disconnected.AVOID DIRECT EXPOSURE TO BEAM.

1. All optical connectors should be clean and the AT&T RMS shouldbe repolished as required.

2. Connect the output of the network analyzer to the laser transmitter.Install the CDM-1 card.

3. Connect the DC voltmeter to test points (+ to TP1 and - to TP2) andset to read .001V resolution.

4. Adjust R3 and R4 to their mechanical centers.

5. Turn off the transmitter and adjust R4 until the DC voltmeter reads>001 +.008/-.001 VDC.

6. Install a 7 dB pad at J1, J3 position. Turn on the laser transmitterand adjust R3 until the DC voltmeter reads the displayed opticalpower in milliwatts of the transmitter ±.05 VDC. Repeat Steps 5and 6 until the required reading is obtained without any furtheradjustments.

7. Adjust L1 (spreading increases bandwidth) so a roll-off occurs atapproximately 750 to 760 MHz. Adjust L2 for flat response between600 and 750 MHz (there may be some up slope at this point).

8. Adjust L4 to have a dip in response at 490 to 515 MHz.

9. Adjust L5 to have a dip in response at 550 to 560 MHz.


10. Adjust L6 to have a P-V of .5 dB max. between 600 and 750 MHz.

11. Readjust L1, L2, and L6 until P-V is less than .5 dB between 600and 750 MHz. Rejection below 550 MHz will be a minimum of18 dB.

12. Connect the voltmeter to TP1 (+) and TP2 (-). The value should begreater than .5 VDC and the LED on the card should be green.Slowly separate the RMS connectors until the LED turns red. Thereading on the voltmeter should be .02 ±.01 VDC.

13. Install a 14 dB pad at J1, verifying that P-V is less than 1 dBbetween 600 and 750 MHz. Install a jumper between J1 and J3.Verify that P-V is less than 1 dB between 600 and 750 MHz. Installa 10 dB and 15 dB pad at J1.

14. Verify that P-V is less than 1 dB. Slight readjustment of L1, L2, andL6 may be necessary to keep P-V less than 1 dB for these values ofattenuators. If an adjustment is made, verify that the three valuesare within 1 dB P-V.

NOTE: Do not use a 0 dB pad in place of a jumper.

Rev. B32

R 3

R 4

T P1

T P2

R 4

R 3

J 1

J 3

J 2

L 4

L 1

L 2

L 5 L 6

L 3

Figure 5 – CDM-XX Card


Lid Closing and Tightening ProcedureAlways exercise caution when closing and tightening the HLR 3830 lid.All housing bases have alignment pins that must match holes in the lidsfor them to close properly. Improper closing procedure could result in alid being “stood off” on the alignment pins, creating an unsealed lid.

For strand mounted housing, pull the cover away from the base andremove the slack out of the hinge while rotating the cover up toward thebase. Failure to remove the slack from the hinge can cause the O-ring(located in the cover flange) to rub against the base casting, causingdamage to the O-ring. This removal of slack also will allow easieralignment of the pins to their corresponding holes. Inspect thealignment of the pins by elevating the bucket high enough to allow forthe visual inspection of the top side of the unit.

Inspect the O-rings in the cover flange and on the test port plugs everytime the housing is opened. O-rings that show signs of wear (cracked,twisted, pinched, or dried out) should be replaced with new, lubricatedO-rings.

It is highly recommended that a torque wrench always be used in anylid/port plug closing procedure. Tighten the six bolts to 5 ft.-lb. oftorque.

NOTE: Fiber organizers are provided for the arrangement andproper care of the fiber. Do not overload the organizer.Trim down any pigtails to the minimum acceptable lengthbefore splicing.

315

624

Figure 6 – Tightening Sequence

Rev. B34

Care and Handling of Optical ConnectorsThe working surfaces of optical connectors are highly polished anddesigned for precision alignment. They must be kept microscopicallyclean and free of scratches in order to function optimally. Optical powerreadings and signal quality can be seriously compromised if opticalconnectors or the bulkheads into which they are inserted aremishandled or allowed to become dirty.

Optical bulkheads on the transmitters and receivers and the connectorfaces of optical cables are shipped with protective caps in place. Do notremove the caps until ready to make connections. Once a cap is takenoff, do not touch an unprotected connector face or allow dirt to foul theconnector to the bulkhead into which the connector will be inserted.Even small scratches, minute traces of dirt or skin oils on these surfacescan degrade signal quality.

After uncapping the connector, use a dry, lint-free lens tissue to gentlywipe the connector face. Too much pressure can damage the delicateoptical surface.

NOTE: To clean the connector tips, use only lint-free lens paper.Never blow compressed air on connector parts. When youopen a connector, place plastic dust covers on both ends.


Figure 7 – Typical Strand Mount

Rev. B36

Model Value9PD1-0 0 dB9PD1-1 1 dB9PD1-2 2 dB9PD1-3 3 dB9PD1-4 4 dB9PD1-5 5 dB9PD1-6 6 dB9PD1-7 7 dB9PD1-8 8 dB9PD1-9 9 dB9PD1-10 10 dB9PD1-11 11 dB9PD1-12 12 dB9PD1-13 13 dB9PD1-14 14 dB9PD1-15 15 dB9PD1-16 16 dB9PD1-17 17 dB9PD1-18 18 dB9PD1-19 19 dB9PD1-20 20 dB

Table 2 – Available Attenuators


Attenuation in dB at (MHz)Model 45 550 7509PEQ-01750 2.1 1.2 1.09PEQ-03750 3.3 1.4 1.09PEQ-04750 4.4 1.6 1.09PEQ-06750 5.5 1.9 1.09PEQ-07750 6.7 2.1 1.09PEQ-09750 7.8 2.3 1.09PEQ-10750 8.9 2.5 1.09PEQ-12750 10.1 2.7 1.09PEQ-13750 11.2 2.9 1.09PEQ-15750 12.3 3.2 1.09PEQ-16750 13.5 3.4 1.09PEQ-18750 14.6 3.6 1.09PEQ-19750 15.7 3.8 1.09PEQ-21750 16.9 4.0 1.09PEQ-22750 18.0 4.2 1.09PEQ-24750 19.1 4.4 1.0

Accuracy ±0.75 ±0.75 ±0.5

Table 3 – Cable Equalization Operating Band: 50 to 750 MHz

NOTE: 9PEQ cable equalizers are designed to equalize “X” dBof cable at the highest frequency. A square-root-of-frequency cable response is assumed:

cable loss @ f MHz = √f/fhigh x cable loss @ fhigh MHz

Rev. B38

Attenuation in dB at (MHz)Model 45 550 750 8709PEQ-00870 0.2 0.2 0.2 0.29PEQ-01870 2.0 1.3 1.1 1.09PEQ-03870 3.3 1.6 1.2 1.09PEQ-04870 4.5 1.9 1.3 1.09PEQ-06870 5.6 2.2 1.4 1.09PEQ-07870 6.8 2.5 1.5 1.09PEQ-09870 8.0 2.8 1.6 1.09PEQ-10870 9.1 3.2 1.8 1.09PEQ-12870 10.3 3.5 1.9 1.09PEQ-13870 11.4 3.8 2.0 1.09PEQ-15870 12.6 4.1 2.1 1.09PEQ-16870 13.7 4.4 2.2 1.09PEQ-18870 14.9 4.7 2.3 1.09PEQ-19870 16.1 5.0 2.4 1.0

Accuracy ±.75 ±.75 ±.75 ±0.5

Table 4 – Cable Equalization Operating Band: 50 to 870 MHz

Attenuation in dB at (MHz)Model 45 550 750 8709IEQ-07870 6.9 2.9 1.5 1.09IEQ-10870 8.8 3.4 1.7 1.09IEQ-12870 10.2 3.7 1.7 1.09IEQ-13870 11.1 4.3 1.8 1.09IEQ-15870 12.8 4.8 1.8 1.09IEQ-18870 14.3 5.1 1.8 1.09IEQ-07750 6.5 2.6 1.0 ––9IEQ-09750 7.8 2.9 1.0 ––9IEQ-10750 8.7 3.2 1.0 ––9IEQ-13750 10.8 3.8 1.0 ––9IEQ-16750 13.0 4.5 1.0 ––9IEQ-18750 14.1 4.8 1.0 ––

Accuracy ±.75 ±.75 ±.75 ±0.5

Table 5 – Linear Equalization


Chapter 4

Maintenance

In Case of ProblemsShould a problem occur with your unit, contact Harmonic LightwavesCustomer Service at (800) 730-4099. A service technician will assist youin determining whether a fault exists with the unit.

If the service technician determines that you need to return the unit, heor she will issue you a Returned Material Authorization Number. Pleasemake note of this number. You will need to include it on the shippingcontainer when returning the unit, and with all correspondenceregarding the unit.

The return address is:

Harmonic Lightwaves, Inc.549 Baltic WaySunnyvale, CA 94089Attn: Customer ServiceRMA no. __________

Rev. B40


Chapter 5Harmonic Lightwaves Office Listings

Harmonic Lightwaves Offices

Corporate OfficeHarmonic Lightwaves, Inc.549 Baltic WaySunnyvale, CA 94089

Tel: 408/542-2500Toll-free: 800/730-4099Fax: 408/542-2511

Technical Support/Customer ServiceToll-free: 800/730-4099

Return Materials AuthorizationTel: 408/542-2650

Please contact the Harmonic Lightwaves Corporate Office forinformation on how to contact the Harmonic Lightwaves salespersonnearest you.

Rev. B42

International Sales Offices

International Sales Corporate OfficeHarmonic Lightwaves, Inc.549 Baltic WaySunnyvale, CA 94089

Tel: 408/542-2500 ext. 2782Fax: 408/542-2514

United Kingdom Sales & Support CenterHarmonic UKUnit 17 Alban FieldHatfield RoadSt. Albans, HertsUKAL40JJ

Tel: 011-727-839-565

Please contact the International Sales Corporate Office for informationon how to contact the authorized Harmonic Lightwaves distributornearest you.

HLR 3830 PWRBlazer™ Optical Node Instruction · PDF fileBuyer, improper installation or...

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