Comtech EF Data LBC-4000 Operating instructions

IMPORTANT NOTE: The information contained in this document supersedes all previously published

information regarding this product. Product specifications are subject to change without prior notice.

Part Number MN/LBC4000.IOM Revision 4

LBC-4000

L-Band Up/Down Converter System

Installation and Operation Manual

Comtech EF Data, 2114 West 7th Street, Tempe, Arizona 85281 USA, 480.333.2200, FAX: 480.333.2161

LBC-4000

L-Band Up/Down Converter System

Installation and Operation Manual

Part Number MN/LBC4000.IOM

Revision 4

ii

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iii

TABLE OF CONTENTS

TABLE OF CONTENTS .............................................................................................................. III

TABLES ..................................................................................................................................... VII

FIGURES ................................................................................................................................... VII

PREFACE ................................................................................................................................... IX

AboutthisMa

n

ual..............................................................................................................................ix

ReportingCommentsorSuggestionsConcerningthisManual...............................................................ix

ConventionsandReferences...............................................................................................................ix

PatentsandTrademarks..........................................................................................................................ix

Warnings,Cautions,andNotes................................................................................................................ix

ExamplesofMulti‐Hazard Notices............................................................................................................x

RecommendedStandardDesignations.....................................................................................................x

MetricConversion.....................................................................................................................................x

SafetyandCompliance.........................................................................................................................x



ElectricalSafetyandCompliance..............................................................................................................x

ElectricalInstallation.................................................................................................................................x

OperatingEnvironment...........................................................................................................................xi

European Union RadioEqui pme ntandTelecommunicatio nsTerminalEquipment(R&TTE)

Directive(1999/5/EC )andEN 301489‐1..............................................................................................xi

European Union Electromagn etic Compatibility(EMC )Directive(2004/ 108/EC) .........................xi

EuropeanUnionLowVoltageDirective(LVD)(2006/9

5/EC)..............................................................xii

EuropeanUn

ionRoHSDire ctive(2002/95/EC)...................................................................................xii

EuropeanUnionTelecommunicationsTerminalEquipmentDirective(91/263/EEC)........................xii

CEMark...............................................................................................................................................xiii

WarrantyPolicy.................................................................................................................................xiii

LimitationsofWarranty..........................................................................................................................xiii

ExclusiveRemedies.................................................................................................................................xiv

GettingHelp.......................................................................................................................................xv

ContactingComtechEFData..................................................................................................................xv

ReturningaProductforUpgradeorRep

a

ir............................................................................................xvi

CHAPTER 1. INTRODUCTION ............................................................................................. 1–1

1.1 Overview..............................................................................................................................1–1

1.2 Features...............................................................................................................................1–1

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1.2.1 DimensionalEnvelope...........................................................................................................1–3

1.3 FunctionalDescription..........................................................................................................1–4

1.4 SummaryofSpecifications....................................................................................................1–5

1.4.1 Physical&Environmental.....................................................................................................1–5

1.4.2 PrimePower..........................................................................................................................1–5

1.4.3 ExternalReference................................................................................................................1–5

1.4.4 Monitor&Control.................................................................................................................1–5

1.4.5 LBC‐4000L‐BandDownconverterIDU..................................................................................1–6

1.4.6 LBC‐4000L‐BandUpconve

r

terIDU.......................................................................................1–7

CHAPTER 2. INSTALLATION .............................................................................................. 2–1

2.1 UnpackingandInspectingtheShipment...............................................................................2–1

2.2 InstallingIntoaRackEnclosure.............................................................................................2–2

2.2.1 InstallingtheOptionalRear‐MountingSupportBracketsKit...............................................2–4

2.2.2 InstallingtheOptionalSide‐MountingBearinglessRackSlideSet.......................................2–6

2.3 ConnectingthePrimePower................................................................................................2–7

2.4 ConnectingExt

ernalCables................................................................................................... 2–7

2.5 RemovingorInstallingConverterModules...........................................................................2–7 

CHAPTER 3. REAR PANEL CONNECTIONS ...................................................................... 3–1

3.1 CablingConnectionTypes.....................................................................................................3–1

3.1.1 CoaxialCableConnections....................................................................................................3–1

3.1.1.1 Type‘BNC’.........................................................................................................................3–2

3.1.1.2 Type‘TNC’.........................................................................................................................3–2

3.1.1.3 Type‘N’.............................................................................................................................3–2

3.1.1.4 Type‘F’..............................................................................................................................3–3

3.1.1.5 Type‘SMA’(SubminiatureVersion‘A’).............................................................................3–3

3.1.2 D‐Submi

n

iatureCableConnections......................................................................................3–3

3.1.3 CircularCableConnections...................................................................................................3–4

3.1.4 RJ‐45,RJ‐48CableConnections............................................................................................3–4

3.2 LBC‐4000CablingConnections.............................................................................................3–5

3.2.1 RF/IFConnectors...................................................................................................................3–6

3.2.1.1 J4|RFOUT/INUnitBConnector(Type‘N’Female)........................................................3–6

3.2.1.2 J5|IFIN

/OUTUnitBConnector(Type‘BNC’Female)....................................................3–6

3.2.1.3 J6|RFOUT/INUnitAConnector(Type‘N’Female)........................................................3–6

3.2.1.4 J7|IFIN/OUTUnitAConnector(Type‘BNC’Female) .....................................................3–6

3.2.2 UtilityConnectors.................................................................................................................3–7

3.2.2.1 J2|EXTREF(ExternalRefe

rence)InputConnector(Type‘BNC’Female)........................3–7 

3.2.2.2 P1|RELAY(SummaryFaultOutput)Connector(DB‐9F)..................................................3–7

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3.2.2.3 J1|COM1(EIA‐485/232Interface)Connector(DB‐9F)....................................................3–8

3.2.3 Optional1:1RedundancyConnectors..................................................................................3–9

3.2.3.1 OptionalIFConnectors(Type‘BNC’Female)....................................................................3–9

3.2.3.2 OptionalRFConnectors(Type‘SMA’Female)..................................................................3–9

3.3 LBC‐4000GroundandPowerConnections............................................................................3–9

3.3.1 ChassisGroundInterface....................................................................................................3–10

3.3.2 ChassisPowerInterfa

ces....................................................................................................3–10

3.3.2.1 ACPrimePowerConnector.............................................................................................3–10

3.3.2.2 DCFilterInputModule....................................................................................................3–10

3.3.2.3 ApplyingPowertotheLBC‐4000....................................................................................3–11

CHAPTER 4. UPDATING FIRMWARE ................................................................................. 4–1

4.1 UpdatingFirmwareviatheInternet......................................................................................4–1

4.2 GettingStarted:PreparingfortheFirmwareDownload........................................................4–2

4.3 Do

wnloadingan

dExtractingtheFirmwareUpdate...............................................................4–5

4.4 PerformingtheFTPUploadProcedure..................................................................................4–7

CHAPTER 5. FRONT PANEL OPERATION ......................................................................... 5–1

5.1 Introduction.........................................................................................................................5–1

5.1.1 EnergizingtheLBC‐4000.......................................................................................................5–2

5.1.2 CONVAandCONVBLEDIndicators.....................................................................................5–2

5.1.3 Keypad...................................................................................................................................5–3

5.1.4 VacuumFluorescentDisplay(VFD).......................................................................................5–4

5.1.4.1 OpeningScre

en.................................................................................................................5–4

5.1.4.2 ScreenSaver......................................................................................................................5–4

5.2 SELECT:(Main)Menu............................................................................................................5–5

5.2.1 SELECT:Config(Configuration)Menus.................................................................................5–6

5.2.1.1 Config:Conv‐AorConv‐B(ConverterUnitAorUnitB)....................................................5–7

5.2.1.2 CONFIGRemote(RemoteControl)...................................................................................5–8

5.2.1.3 Config:Redund(Redundancy)..........................................................................................5–9

5.2.1.4 Config:RefAd

j(ReferenceOscillatorAdjustment)............................................................5–9

5.2.2 SELECT:Monitor..................................................................................................................5–10

5.2.3 SELECT:Faults.....................................................................................................................5–11

5.2.3.1 FAULTSÆStored........................................................................................................5–11

5.2.4 SELECT:Util(Utility)............................................................................................................5–12

5.2.4.1 UTIL:Clock.......................................................................................................................5–13

5.2.4.2 UTIL:LEDtst(FrontPanelLEDTest)................................................................................5–13

5.2.4.3 UTIL:Relay.......................................................................................................................5–13

5.2.4.4 UTIL:VFD(Va

c

uumFluorescentDisplayBrightnessAdjustment)..................................5–14

5.2.4.5 UTIL:ScrSaver..................................................................................................................5–14

5.2.4.6 UTIL:FWinfo....................................................................................................................5–15

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5.2.4.7 UTILÆApID(ApplicationID)..........................................................................................5–16

CHAPTER 6. SERIAL-BASED REMOTE PRODUCT MANAGEMENT ................................ 6–1

6.1 Introduction.........................................................................................................................6–1

6.1.1 EIA‐485..................................................................................................................................6–2 

6.1.2 EIA‐232..................................................................................................................................6–2 

6.2 RemoteCommandsandQueriesOverview........................................................................... 6–3

6.2.1 BasicProtocol........................................................................................................................6–3

6.2.2 PacketStructure....................................................................................................................6–3

6.2.2.1 StartofPacket...................................................................................................................6–4

6.2.2.2 TargetAddress..................................................................................................................6–5

6.2.2.3 AddressDeli

miter..............................................................................................................6–5

6.2.2.4 InstructionCode................................................................................................................6–5 

6.2.2.5 InstructionCodeQualifier.................................................................................................6–6

6.2.2.6 OptionalMessageArguments...........................................................................................6–7

6.2.2.7 EndofPacket....................................................................................................................6–7

6.3 RemoteCommandsandQueries...........................................................................................6–8

APPENDIX A. UP/DOWNCONVERTER IDU MODULE REMOVAL/RE-INSTALLATION . A–1

A.1 Introduction.........................................................................................................................A–1

A.2 IDUModuleRemovalProcedure...........................................................................................A–2 

A.3 IDUModuleI

n

stallationProcedure.......................................................................................A–5

APPENDIX B. LBC-4000 REDUNDANCY OPERATION ..................................................... B–1

B.1 Introduction.........................................................................................................................B–1

B.2 RedundancyOperationsOverview........................................................................................B–1

B.3 RedundancyOperationsviatheLBC‐4000FrontPanel..........................................................B–3

B.3.1 MainMenu............................................................................................................................B–4

B.3.2 CONFIG(Configuration)Menu..............................................................................................B–5

B.3.3 CONFIG:Redund(Redundancy)............................................................................................B–6

B.3.4 GainOffsetforRedundan

tOperations.................................................................................B–7

B.4 RedundancyOperationsviaSerialRemoteControl...............................................................B–8

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TABLES

Table3‐1.LBC‐4000Connectors...............................................................................................................3–5

Table3‐2.P1|RELAYConnectorPinouts.................................................................................................3–7

Table3‐3.J1|COM12‐WireEIA‐485InterfaceConnectorPinouts.........................................................3–8

Table3‐4.J1|COM14‐WireEIA‐485InterfaceConnectorPinouts.........................................................3–8

Table3‐5.J1|COM1EIA‐232Interfac

eConnectorPinouts.....................................................................3–8

Table3‐6.DCInputFilterModulePinouts..............................................................................................3–10

FIGURES

Figure1‐1.ComtechEFDataLBC‐4000L‐BandUp/DownConverter.......................................................1–1

Figure1‐2.LBC‐4000FrontandRearPanels(RedundantUnitShown)....................................................1–2

Figure1‐3.LBC‐4000DimensionalEnvelo pe............................................................................................1–3

Figure1‐4.LBC‐4000TypicalApplicationBlockDiagram.........................................................................1–4

Figure2‐1.Unpackingan

dInspectingtheLBC‐4000................................................................................2–1

Figure2‐2.InstallingintoaRackEnclosure..............................................................................................2–3

Figure2‐3.InstallingtheOptionalRear‐MountingSupportBracketsKit................................................2–4

Figure2‐4.InstallingtheOptionalSide‐MountingBearinglessRackSlideSet.........................................2–6

Figure3‐1.CoaxialConnectorExamples...................................................................................................3–1

Figure3‐2.D‐Submin

iatureConnectorExamples.....................................................................................3–3

Figure3‐3.LBC‐4000RearPanelConnectors(RedundancyUnitShown)................................................3–5

Figure3‐4.LBC‐4000GroundandPowerInterfaces................................................................................3–9

Figure5‐1.LBC‐4000FrontPanel.............................................................................................................5–1

Figure5‐2.LBC‐4000FrontPanelMenuTree ...........................................................................................5–5

FigureA‐1.LBC‐4000Chassis–IDUMo

duleBays....................................................................................A–1

FigureB‐1.LBC‐4000Redundancy–FunctionalSch ematic......................................................................B–2

FigureB‐2.LBC‐4000RedundancyCablingSchematic..............................................................................B–2

FigureB‐3.LBC‐4000FrontPanel.............................................................................................................B–3

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ix

PREFACE

About this Manual

ThismanualprovidesinstallationandoperationinformationfortheComtechEFDataLBC‐4000

L‐BandUp/DownConverterSystem.Thisisaninformationaldocumentintendedforthepersons

responsiblefortheoperationandmaintenanceoftheLBC‐4000.

Reporting Comments or Suggestions Concerning this Manual

ComtechEFDatawelcomescommentsandsuggestionsregardingthecontentanddesignofthis

manual.ContacttheComtechEFDataTechnicalPublicationsDepartment:



[email protected] om

Conventions and References

Patents and Trademarks

SeeallofComtechEFData'sPatentsandPatentsPendingathttp://patents.comtechefdata.com.



ComtechEFDataacknowledgesthatalltrademarksarethepropertyofthetrademarkowners.

Warnings, Cautions, and Notes

A WARNING

gives information about a possible hazard that MAY CAUSE DEATH

or SERIOUS INJURY.

A CAUTION

gives information about a possible hazard that MAY CAUSE INJURY

or PROPERTY DAMAGE.

A NOTE

gives important information about a task or the equipment.

A REFERENCE

directs the user to additional information about a task or the

equipment.

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x

Examples of Multi-Hazard Notices



Recommended Standard Designations

Recommended Standard (RS)Designati onshavebeen superseded by the new designation of the

Electronic Industries Association (EIA). References to the old RS designation (e.g., RS‐232) may

appear when depicting actual text on the serial interface or the  physical unit (e.g., front panel

menusorrearpanellabe lin g).Allotherreferencesinthemanu

alspec if ytheEIAdesignation s .

Metric Conversion

ComtechEFDataprovidesnon‐Metric toMetricconversionstables on the insidebackcoverof

thismanualtoassisttheoperatorincross‐referencingsuchinformation.





The user should carefully review the following information:

Safety and Compliance

Electrical Safety and Compliance

TheunitcomplieswiththeEN60950SafetyofInformationTechnologyEquipment(Including

ElectricalBusinessMachines)safetystandard.



IFTHEUNITISOPERATEDINAVEHICLEORMOVABLEINSTALLATION,MAKESURE

THEUNITISSTABLE.OTHERWISE,EN60950SAFETYISNOTGUARANTEED.

Electrical Installation

CONNECTTHEUNITTOAPOWERSYSTEMTHATHASSEPARATEGROUND,LINEAND

NEUTRAL CONDUCTORS. DO NOT CONNECT THE UNIT WITHOUT A DIRECT

CONNECTIONTOGROUND.

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xi

Sect3.3LBC‐4000GroundandPowerConnections

Operating Environment



DONOTOPERATETHEUNITINANYOFTHESEEXTREMEOPERATINGCONDITIONS:



• AMBIENT TEMPERATURES LESS THAN 0° C (32° F) OR MORE THAN 50° C

(122°F).



• PRECIPITATION, CONDENSATION, OR HUMID ATMOSPHERES OF MORE

THAN95%RELATIVEHUMIDITY.



• UNPRESSURIZEDALTITUDESOFMORETHAN2000METRES(6561.7FEET).



• EXCESSIVEDUST.



• FLAMMABLEGASES.



• CORROSIVEOREXPLOSIVEATMOSPHERES.

European Union Radio Equipment and Telecommunications Terminal

Equipment (R&TTE) Directive (1999/5/EC) and EN 301 489-1

IndependenttestingverifiesthattheunitcomplieswiththeEuropeanUnionR&TTEDirective,its

reference to EN301 489‐1  (Electromagnetic compatibility and Radio spectrum Matters [ERM];

ElectroMagnetic Compatibility [EMC] standard for radio equipment and services, Part 1:

Common technical requirements), and the Declarations of Conformity  for the applicable

directives,standards,andpracticesthatfollow:



European Union Electromagnetic Compatibility (EMC) Directive

(2004/108/EC)

• Emissions: EN 55022 Class B – Limits and Methods of Measurement of Radio

InterferenceCharacteristicsofInformationTe chnologyEquipment.



• Immunity: EN 55024 – Information Technology Equipment: Immunity Characteristics,

Limits,andMethodsofMeasurement.



• EN61000‐3‐2–HarmonicCurrentsEmission



• EN61000‐3‐3–VoltageFl

uctuationsandFlicker.



• FederalCommunicationsCommissionFeder

alCodeofRegulationFCCPart15,SubpartB.



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Preface MN/LBC4000.IOM

xii

TOENSURETHATTHEUNITCOMPLIESWITHTHESESTANDARDS,OBEYTHESE

INSTRUCTIONS:



• Use coaxial cable that is of good quality for connections to the L‐Band Type ‘N’ Rx

(receive)femaleconnector.



• UseType'D'connectorsthathaveback‐shellswithcontinuousmetallicshielding.



Type‘D’cablingmusthaveaconti

nuou

soutershield(eitherfoilorbraid,orboth).The

shieldmustbebondedtotheback‐shell.



• Operatetheunitwithitscoveronatalltimes.

European Union Low Voltage Directive (LVD) (2006/95/EC)

Symbol Description

<HAR> TypeofpowercordrequiredforuseintheEuropeanCommunity.



CAUTION:Double‐pole/NeutralFusing

ACHTUNG: Zweipoligebzw.Neutralleiter‐Sicherung



InternationalSymbols

Symbol Definition Symbol Definition

 AlternatingCurrent ProtectiveEarth



Fuse

ChassisGround



Foradditionalsymbols,refertoWarnings,CautionsandNoteslistedearlierinthis

Preface.

European Union RoHS Directive (2002/95/EC)

Thisunitsatisfies(withexemptions)therequirementsspecifiedintheEuropeanUnionDirective

on the Restriction of Hazardous  Substances in Electrical and Electronic Equipment (EU RoHS,

Directive2002/95/EC).

European Union Telecommunications Te

rminal Equipment Directive

(91/263/EEC)

In accordance with the European Union Telecommunications Terminal Equipment Directive

91/263/EEC, the unit should not be directly connected to the Public Telecommunications

Network.

!

LBC-4000 L-Band Up/Down Converter System Revision 4

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xiii

CE Mark

ComtechEFDatadeclaresthattheunitmeetsthenecessaryrequirementsfortheCEMark.

Warranty Policy

ComtechEFData productsarewarranted againstdefectsinmaterialandworkmanship

for a specific period from the date of shipment, and this period varies by product.In

mostcases, the warrantyperiodis two years. During thewarranty period, ComtechEF 

Datawill,atitsoption,repairorreplaceproductsthatprovetobedefective.Repairsare

warranted for the remainder of the original warranty or a 90 day extended warranty,

whichever is longer. Contact Comtech EF Data for the warranty period specific to the

productpurchased.



Forequipment underwarranty,the owner isresponsibleforfreightto ComtechEFData

andallrelatedcustoms,taxes,tariffs,insurance,etc.ComtechEFDataisresponsiblefor

the freight charges only for return of the equipment from the factory to the owner.

Comtech EF Data will return the equipment by the same method (i.e., Air, Express,

Surface)asthe equipmentwassenttoComt echEFData.



Allequipmentreturnedforwarrantyrepairmusthavea validRMAnumberissuedprior

to return and be marked clearly on the return packaging.Comtech EF Data strongly

recommendsallequipmentbereturnedinitsoriginalpackaging.



ComtechEFDataCorporation’s obligationsunder thiswarrantyare limitedtorepair or

replacement of failed parts, and the return shipment to the buyer of the repaired or

replacedparts.

Limitations of Warranty

The warranty does notapply to any part of aproduct thathas beeninstalled, altered,

repaired, or misused in any way that, in the opinion of Comtech EF Data Corporation,

wouldaffectthe reliabilityordetractsfromtheperformanceofanypartoftheproduct,

or is damaged as the result of use in a way or with equipment that had not been

previouslyapprovedbyComtechEFDataCorporation.



Thewarrant ydo esnotapplytoanyproductorpartsthereofwheretheserialnumberorthe

serialnumberofan yofitspartshasbeenaltered,defaced,orremoved.



Thewarr

antydoesnotcoverdamageorlossincurredintransportationoftheproduct.The

warrantydoesnotcoverreplacementorrepairnecessitatedbylossordamagefromany

cause beyond the control of Comtech EF Data Corporation, such as lightning or other

naturalandweatherrelatedeventsorwartimeenvironments.



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xiv

Thewarranty doesnot cover anylaborinvolved inthe removal andorreinstallation of

warrantedequipment or parts on site, or any labor required to diagnose the necessity

forrepairorreplacement.



Thewarrantyexclud esanyrespons ibilitybyComtechEFDataCorporationforincidentalor

consequential damages arising from the use of the equipment or products, or for any

inabilitytousethemeitherseparatefromorincombinationwithanyotherequipmentor

products.



Afixedchargeestablishedforeachproductwillbeimposedforallequipmentreturned

forwarrantyrepairwhereComtechEFDataCorporationcannotidentifythecauseofthe

reportedfailure.

Exclusive Remedies

Comtech EF Data Corporation’s wa rr anty , as stated is in lieu of all  oth e r warranties,

expressed, implied, or statutory, including those of merchantability  and fitness for a

particularpurpose.The buyershallpassontoanypurchaser,lessee,orotheruserof

Comtech EF Data  Corporation’s products, the aforementioned warranty, and shall

indemnifyandhold harmlessComtechEFDataCorporationfromanyclaimsor liability

ofsuchpurchaser,lessee , oruserbaseduponallegationsthatthebuyer,itsagents,or

employees have made additional warranties or representations as to product

preferenceoruse.



Theremediesprovidedhereinarethebuyer’ssoleandexclusiveremedies.ComtechEF

Data shall not be liable for any direct, indirect, special, incidental, or consequential

damages,whetherbasedoncontract,tort,oranyotherlegaltheory.



LBC-4000 L-Band Up/Down Converter System Revision 4

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xv

Getting Help



Contacting Comtech EF Data

ContactComtechEFDatafor:



• TechnicalSupport–Productsupportortraining.



• CustomerService–Informationonreturninganin‐warrantyorout‐of‐warrantyproductfor

upgrade or repair. Be prepared to provide the product model number and its serial

number.



ContactComtechEFDataCustomer&TechnicalS

upportduringnormalbusinesshours(Monday

throughFriday,8A.M.to5P.MMountainStandardTime(MST)):



For: Contact:

LBC‐4000

Technical

Supportand

Service

Telephone +1.480.333.4357

Email [email protected]

Fax +1.480.333.2500

ComtechEF

DataWebSite

MainPage http://www.comtechefdata.com

Customerand

TechnicalSupport

http://www.comtechefdata.com/supp ort.asp

RMA

(ReturnMaterial

Authorization)

http://www.comtechefdata.com/rmaform.asp

ComtechEFDataMai nNumber +1.480.333.2200

MailingAddress

2114West7thStreet

Tempe,Arizona85281USA





Review the Warranty Policy before contacting Comtech EF Data Technical Support or

Customer Service.

LBC-4000 L-Band Up/Down Converter System Revision 4

Preface MN/LBC4000.IOM

xvi

Returning a Product for Upgrade or Repair

Step Task

1

GototheComtechEFDataHomepage(http://www.comtechefdata.com).From

theSUPPORT columnatthebottomofthepage,selecttheServicehyperlink,and

readtheReturnMaterialAuthorizationsectioninitsentirety.

2 RequestaReturnMaterialAuthorizationNumber:



• OntheComtechEFDataHomepage:FromtheSUPPORTcolumnatthe

bottomofthepage,selecttheRMARequesthyperlink;



OR



• OntheComtechEFDataSupportpage:Click[SendRMARequest];



OR



• OntheComtechEFDataSer

v

icepage:SelecttheReturnMaterial

Authorizaionhyperlink;



• FillouttheRMAformcompletely;



• Click[SendEmail].



Alternately:



• Sendane‐mailprovidingthissamedetailedinformationtoComtechEFData

CustomerService([email protected]).



• ContactComtechEFDataCustomer&Te

chnicalS

upportbyphoneorfax.

3 Packtheproductinitsoriginalshippingcartonandprotectivepackaging.

4 ShiptheproductbacktoComtechEFData.Shippingchargesshouldbeprepaid.



1–1

Chapter 1. INTRODUCTION

1.1 Overview

ComtechEFData’sLBC‐4000L‐BandUp/DownConverterSystem(Figure1‐1)isdesignedto

interfacelegacy70MHzor140MHzequipmenttotri‐bandorquad‐bandblockconverters.



Figure 1-1. Comtech EF Data LBC-4000 L-Band Up/Down Converter



1.2 Features

Figure1‐2showsthefrontandrearpanelsoftheLBC‐4000.TheLBC‐4000isa1RU‐high,19‐inch

widechassis(Figure1‐3)thatisdesignedformountingintoastandard19

‐inchequipmentrack.

The front panel handles allow quick installation into and removal of the unitfrom the

equipmentrack.Theunitmayalsobefreestandingifdesired.



The LBC‐4000 drop‐down  front panel provides access to the ON/OFF switch and bays for  two

upconverter

modules,ortwodownconvertermodules,oroneofeach.



Alloperatorcontrols,indicatorsanddisplaysarelocatedontheLBC‐4000frontpanel.



External interface connectors, including those intended for serial remote Monitor and Control

(M&C),arelocatedontheLBC‐4000rearpanel.



LBC-4000 L-Band Up/Down Converter System Revision 4

Introduction MN/LBC4000.IOM

1–2



Feature Description

1 Rack Handles

2 On/Off Switch

3 LED Indicator Groups

4 Keypad

5 Vacuum Fluorescent Display (VFD)

6 Converter ‘A’ IDU Module Bay

7 Converter ‘B’ IDU Module Bay



Top:FrontPanelinOperatingandServicePositions

Bottom:RearPanel

Figure 1-2. LBC-4000 Front and Rear Panels (Redundant Unit Shown)

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LBC‐4000feature(s):

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• MeetorexceedMIL‐STD‐188‐164A • Lowphasenoise

• 1kHzstepsize • Nospectralinversion

• 50dBgainadjustment • Autobandsensingcapability

• EIA‐485/232MonitorandControl

(M&C)

•

70MHz±18MHzIF(140MHz±36

MHzoptional)

• Flexibleconfiguration • 1:1redundancyavailability

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Comtech EF Data LBC-4000 Operating instructions

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