Comtech EF Data CRS-180 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/CRS180.IOM Revision 8

70/140 MHz IF 1:1 Redundancy Switch

Installation and Operation Manual

Accessory Product for use only with Comtech EF Data CDM-625,

CDM-750, CDM-570, CDM-700, CDM-710, and CDM-710G Modems

(Modem Firmware and Hardware Requirements Apply)

ER-CRS180-EA8 Rev - This document is not subject to revision/update! PLM CO C-0027990 Page 1 of 2

Errata A

Comtech EF Data Documentation Update

OriginalManualPart

Number/Rev:



MN/CRS180.IOMREV8

ErrataNumber/

PLMDocumentID:



ER-CRS180-EA8 

PLMCONumber: C‐0027990

Comments: Theupdatedinformationwillbeincorporatedintothenextformalrevision

ofthemanual.

Change:

NOTES:

1. CDM-625 and CDM-625A switch configurations are identical.

2. Throughout the manual, replace "CDM-625" with "CDM-625/A".

CDM-760 and CDM-750 switch configurations are identical.



ER-CRS180-EA8 Rev - This document is not subject to revision/update! PLM CO C-0027990 Page 2 of 2

Thispageisintentionallyblank.

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

CRS-180

70/140 MHz IF 1:1 Redundancy Switch

Installation and Operation Manual

Accessory Product for use only with Comtech EF Data CDM-625,

CDM-750, CDM-570, CDM-700, CDM-710, and CDM-710G Modems

(Modem Firmware and Hardware Requirements Apply)

Part Number MN/CRS180.IOM

Revision 8

October 24, 2011

Thispageisintentionallyblank.

iii

TABLE OF CONTENTS

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

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

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

PREFACE.................................................................................................................................XI

AboutthisManual..................................................................................................................xi

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

RelatedDocuments................................................................................................................xi

ConventionsandReferences..................................................................................................xii

Warnings,CautionsandNotes..................................................................................................xii

Exampl

esofMulti‐HazardNotices.............................................................................................xii

MetricConversion......................................................................................................................xii

RecommendedStandardDesignations......................................................................................xii

Trademarks...............................................................................................................................xiii

SafetyandCompliance..........................................................................................................xiii

ElectricalSafetyandCompliance..............................................................................................xiii

OperatingEnvironment............................................................................................................xiii

EquipmentConnection.............................................................................................................xiv

EuropeanUnionElectromagneticCompatibility(EM C)Directive(2004/108/EEC).........................xiv

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

EuropeanUnionRoHSDirective(2002/95/EC)..........................................................................xv

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

CEMark......................................................................................................................................xv

WarrantyPolicy.....................................................................................................................xvi

LimitationsofWarranty............................................................................................................xvi

ExclusiveRemedies..................................................................................................................xvii

GettingHelp........................................................................................................................xviii

ContactingComtechEFData..................................................................................................xviii

ReturningaProductforUpgradeorRepair..............................................................................xix

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

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

1.1.1 ModemSideConnectors.............................................................................................1–2

1.1.2 AntennaSideConnectors...........................................................................................1–3

1.2 FunctionalDescription.............................................................................................1–3

1.2.1 OperationwithCDM‐625/750/570/700/710/710G...................................................1–3

1.2.1.1 1:1IPRedundancyDataSwitching–FunctionalDescription.............................1–5

1.2.1.1.1 CDM‐570(withoptionalIPModule)ManagedSwitchorRouterModes.....1–5

1.2.1.1.2 CDM‐625/750/700/710/710GManagedSwitchMode................................1–7

1.2.1.1.3 CDM‐625(withOptionalIPPacketProcessor)–RouterMode..................1–10

1.3 SummaryofSpecifications.....................................................................................1–13

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

2.1 UnpackingandInspection........................................................................................2–1

2.2 Mounting.................................................................................................................2–2

CHAPTER3. MODEMANDSWITCHCONFIGURATION...................................................3–1

3.1 Overview..................................................................................................................3–1

3.2 ConfiguringCDM‐625sfor1:1Redundancy..............................................................3–3

3.2.1 UserRemoteEthernetM&CInterface.......................................................................3–3

3.2.2 Carrier‐in‐Carrier®RedundancyConfiguration...........................................................3–4

3.3 CDM‐750Operationin1:1Redundancy...................................................................3–5

3.4 ConfiguringCDM‐570sfor1:1Redundancy..............................................................3–7

3.4.1 IPRedundancyConfiguration.....................................................................................3–8

3.4.2 Non‐IPRedundancyConfiguration.............................................................................3–9

3.5 ConfiguringCDM‐700s/CDM‐710s/CDM‐710Gsfor1:1Redundancy......................3–11

3.5.1 IPRedundancyConfiguration...................................................................................3–12

3.5.2 Non‐IPRedundancyConfiguration...........................................................................3–12

3.6 CRS‐180SwitchDIPSettings...................................................................................3–13

CHAPTER4. CABLESANDCONNECTIONS......................................................................4–1

4.1 Overview..................................................................................................................4–1

4.2 CablingtotheCDM‐625...........................................................................................4–3

4.2.1 CRS‐180ÆCDM‐625ControlandIFInterfaceCablin gKitKT‐0000159.......................4–3

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4.2.2 Modem‐to‐SwitchControlInterfaceConnection.......................................................4–4

4.2.3 Modem‐to‐SwitchIFInterfaceConnection................................................................4–5

4.2.4 Modem‐to‐UserDataInterfaceConnectionsandExamples......................................4–6

4.2.4.1 RS‐422/232InterfaceExample...........................................................................4–7

4.2.4.2 HSSIInterfaceExample.......................................................................................4–7

4.2.4.3 ASIInterfaceExample.........................................................................................4–8

4.2.4.4 QuadE1InterfaceExample.................................................................................4–9

4.2.4.5 G.703BalancedInterfaceExample...................................................................4–10

4.2.4.6 G.703UnbalancedInterfaceExample..............................................................4–10

4.2.4.7 OverheadInterfaceExample............................................................................4–11

4.2.4.8 EngineeringServiceChannel(ESC)InterfaceExample.....................................4–11

4.2.4.9 10/100EthernetInterfaceExamples................................................................4–12

4.2.4.9.1 ManagedSwitchMode(with/withoutIPPacketProcessor)......................4–12

4.2.4.9.2 RouterMode(OptionalIPPacketProcessorRequired)..............................4–13

4.2.4.9.3 DataInterfaceConnectionsusingIPSub‐Mux............................................4–14

4.2.4.10 PMSIInterfaceExample................................................................................4–14

4.3 CablingtotheCDM‐750.........................................................................................4–15

4.3.1 Modem‐to‐SwitchControlandIFInterfaceConnection..........................................4–15

4.3.2 Modem‐to‐UserDataInterfaceConnectionsandExamples....................................4–17

4.3.2.1 RJ‐45GigabitEthernetDataInterfaceExample...............................................4–17

4.3.2.2 OpticalGigabitEthernetInterfaceOptionExample.........................................4–18

4.3.2.3 SerialDataInterfaceKitandConnectionExamples.........................................4–19

4.3.2.3.1 KT/12542SingleG.703E3/T375Ω(PIIC)InterfaceKit................................4–20

4.4 CablingtotheCDM‐570.........................................................................................4–21

4.4.1 CRS‐180ÆCDM‐5701:1RedundancyKitKT/11599...............................................4–21

4.4.2 Modem‐to‐SwitchControlInterfaceConnection.....................................................4–22

4.4.3 Modem‐to‐SwitchIFInterfaceConnection..............................................................4–23

4.4.4 Modem‐to‐UserDataInterfaceConnectionsandExamples....................................4–24

4.4.4.1 RS‐422/232InterfaceExample.........................................................................4–25

4.4.2 G.703BalancedInterfaceExample...................................................................4–25

4.4.4.3 G.703UnbalancedInterfaceExample..............................................................4–26

4.4.4.4 10/100EthernetInterfaceExample.................................................................4–27

4.5 CablingtotheCDM‐700.........................................................................................4–29

4.5.1 Modem‐to‐SwitchControlandIFInterfaceConnection..........................................4–29

4.5.2 Modem‐to‐UserDataInterfaceKitsandConnectionExamples...............................4–31

5.2.1 DualG.703E3/T3/STS‐175ΩDataInterface(CDI‐10)KitKT/12542andHSSIData

Interface(CDI‐60)KitKT/12578.......................................................................4–32

4.5.2.2 155MBCopperDataInterface(CDI‐50)KitKT/12579......................................4–33

4.5.2.3 OC‐3 DataInte r fac e (CDI‐50)KitsKT/12580(Single‐Mode)orKT/12581(Multi‐

Mode)................................................................................................................4–34

4.5.2.4 GigabitEthernetDataInterface(CDI‐70)Example...........................................4–35

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4.6 CablingtotheCDM‐710.........................................................................................4–37

4.6.1 Modem‐to‐SwitchControlandIFInterfaceConnection..........................................4–37

4.6.2 Modem‐to‐UserDataInterfaceKitandConnectionExamples................................4–39

4.6.2.1 ASI75ΩDataInterface(CDI‐40)KitKT/12579..................................................4–40

4.6.2.2 HSSIDataInterface(CDI‐60)InterfaceKitKT/12578........................................4–41

4.6.2.3 GigabitEthernetDataInterface(CDI‐70)Example...........................................4–42

4.7 CablingtotheCDM‐710G.......................................................................................4–43

4.7.1 Modem‐to‐SwitchControlandIFInterfaceConnection..........................................4–43

4.7.2 Modem‐to‐UserDataInterfaceKitandConnectionExamples................................4–45

4.7.2.1 SingleG.703E3/T3/STS ‐175ΩDataInterface(CDI‐10‐1)KitKT/12583...............4–46

4.7.2.2 HSSIDataInterface(CDI‐60)KitKT/12586.......................................................4–47

4.7.2.3 GigabitEthernetInterface(CDI‐70)Example...................................................4–48

CHAPTER5. CONNECTORPINOUTS...............................................................................5–1

5.1 Overview..................................................................................................................5–1

5.2 ModemSide:Type‘BNC’IFConnectors....................................................................5–2

5.3 J3ControlConnector(Top)–Modem‘A’..................................................................5–2

5.4 J4ControlConnector(Bottom)–Modem‘B’............................................................5–3

5.5 AntennaSide:Type‘BNC’IFConnectors...................................................................5–3

APPENDIXA. CABLEDRAWINGS.....................................................................................A‐1

A.1 Introduction..............................................................................................................A‐1

A.2 ControlInterfaceCables............................................................................................A‐1

A.2.1 UniversalControlCable,DB‐9MÆDB‐9M.............................................................A‐2

A.2.2 AdapterCon

trolCable,RoHS,DB‐9MÆDB‐15F....................................................A‐3

A.2.3 Optional‘Y’SplitterAdapterControlCable,(2X)DB‐9MÆDB‐15F.......................A‐4

A.2.4 OptionalControlCable,Non‐muting,DB‐9MÆDB‐15F........................................A‐5

A.3 IF/DataInterfaceCabl

es..........................................................................................A‐6

A.3.1 ModemtoCRS‐180,70/140MHzCoaxialCable,RoHS,Type‘BNC’50Ω................A‐8

A.3.2 ModemtoUser,70/140MHzCoaxialCable,RoHS,Type‘BNC’75Ω......................A‐9

A.3.3 ModemtoUser,SplitterCable,(2X)DB‐25MÆDB‐25F......................................A‐10

A.3.4 ModemtoUser,CDM‐625Data‘Y’SplitterCable,(2X)DB‐9MÆDB‐9F............A‐11

A.3.5 ModemtoUser,QuadE1‘Y’SplitterAdapterCable,(2X)DB‐15FÆDB‐9M.......A‐12

A.3.6 ModemtoUser,QuadE1‘Y’SplitterAdapterCable,(2X)RJ‐48FÆDB‐9M........A‐13

A.3.7 ModemtoUser,QuadE1‘Y’SplitterAdapterCableKit(KT‐0000122).................A‐14

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A.3.8 ModemtoUser,OverheadUserData‘Y’SplitterCable,(2X)HD‐44MÆHD‐44F......

 ................................................................................................................................A‐15

A.3.9 ModemtoModemShieldedMulti‐dropCnC

Plus,CDM‐6251:1Cable,DB‐9MÆ

DB‐9M...................................................................................................................A‐16

A.3.10 UsertoCRS‐180,CoaxCable,RoHS,Type‘BNC’75Ω............................................A‐17

A.3.11 ModemtoUser,OpticalGigabitEthernetSingle‐ModeORMulti‐ModeCable

Assemblies ,(2X)Type‘LC’Æ(4 X)Type‘L C’............................................................A‐18

A.3.12 ModemtoUserG.703BalancedUserData‘Y’SplitterCable,(2X)DB‐15MÆ

DB‐15M...................................................................................................... A‐19

A.3.13 ModemtoUser,HSSIUserData‘Y’SplitterCable,(2X)HD‐50MÆHD‐50F........A‐20

A.3.14 ModemtoUser,OC‐3Single‐ModeORMulti‐ModeCableAssemblies,Type

‘SC/UPC’Æ(2X)Type‘SC/UPC’...........................................................................A‐21

TABLES

Table1‐1.CRS‐180ApplicationSummary..................................................................................1–2

Table3‐1.CRS‐180DIPSwitchSettings....................................................................................3–13

Table5‐1.ModemSideType‘BNC’Connectors.........................................................................5–2

Table5‐2.J3‐Modem‘A’ControlConnectorPinAssignments.................................................5–2

Table5‐3.J4‐Modem‘B’ControlConnectorPinAssignments.................................................5–3

Table5‐4.J7(Rx)andJ8(Tx)Type‘BNC’Connectors.................................................................5–3

FIGURES

Figure1‐1.CRS‐18070/140MHzIF1:1RedundancySwitch.....................................................1–1

Figure1‐2.CRS‐180–ModemSideConnectors.........................................................................1–2

Figure1‐3.CRS‐180–AntennaSideConnectorsandGroundLug.............................................1–3

Figure1‐4.CDM‐5701:1IPRedundancyRouterMode–‘A’Online..........................................1–6

Figure1‐5.CD

M‐5701:1IPRedundancyRouterMode–Switchover(‘B’Online).....................1–7

Figure1‐6.CDM‐625/750/700/710/710G1:1IPRedundancyManagedSwitchMode.............1–8

Figure1‐7.CDM‐625/750/700/710/710G1:1IPRedundancyManagedSwitchMode–Switchover.....

.............................................................................................................................................1–9

Figure1‐8.CDM‐6251:1IPRedundancyRouterMode–‘A’Online........................................1–11

Figure1‐9.CDM‐6251:1IPRedundancyRouterMode–Switchover(‘B’Online)..................1–12

Figure2‐1.KT/11708MountingPanelKit(forhorizontalorverticalmounting).......................2–2

Figure3‐1.CDM‐570ConfigurationInterfaces...........................................................................3–7

Figure3‐2.CD

M‐570CLI1:1RedundancyConfigurationscreen...............................................3–9

Figure3‐3.CRS‐180AntennaSide–DIPSwitches....................................................................3–13

Figure4‐1.CDM‐625Modem‐to‐SwitchControlConnections...................................................4–4

Figure4‐2.CDM‐625Modem‐to‐Switch70/140MHzIFConnections.......................................4–5

Figure4‐3.CDM‐625BlockDiagram:UserÆModemÆSwitchÆTraffic..............................4–6

Figure4‐4.CDM‐625RS‐422/2321:1Example..........................................................................4–7

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viii

Figure4‐5.CDM‐625HSSI1:1Example......................................................................................4–7

Figure4‐6.CDM‐625ASI1:1Example........................................................................................4–8

Figure4‐7.CDM‐625QuadE11:1Example................................................................................4–9

Figure4‐8.CDM‐625G.703Balanced1:1Example..................................................................4–10

Figure4‐9.CDM‐625G.703Unbalanced1:1Example.............................................................4–10

Figure4‐10.CDM‐625Overhead1:1Example.........................................................................4–11

Figure4‐11.CDM‐625ESC1:1Example...................................................................................4–11

Figure4‐12.CDM‐62510/100Ethernet1:1Example–ManagedSwitchMode.....................4–12

Figure4‐13.CDM‐62510/100Ethernet1:1Example–RouterMode.....................................4–13

Figure4‐14.CDM‐625PMSI1:1Example.................................................................................4–14

Figure4‐15.CDM‐750Modem‐to‐SwitchControl&IFConnections–KT‐0000160................4–16

Figure4‐16.CDM‐750RJ‐45GigabitEthernet1:1Example.....................................................4–17

Figure4‐17.CDM‐750OpticalGigabitEthernet1:1Example..................................................4–18

Figure4‐18.CDM‐750BlockDiagram:UserÆModemÆSwitchÆTraffic..........................4–19

Figure4‐19.CDM‐750G.703E3/T3PIICInterfaceKit–KT/12542...........................................4–20

Figure4‐20.CDM‐570Modem‐to‐SwitchControlConnections...............................................4–22

Figure4‐21.CDM‐570Modem‐to‐Switch70/140MHzIFConnections...................................4–23

Figure4‐22.CDM‐570BlockDiagram:UserÆModemÆSwitchÆTraffic..........................4–24

Figure4‐23.CDM‐570RS‐422/2321:1Example......................................................................4–25

Figure4‐24.CDM‐570G.703Balanced1:1Example................................................................4–25

Figure4‐25.CDM‐570G.703Unbalanced1:1Example...........................................................4–26

Figure4‐26.CDM‐57010/100Ethernet1:1Example...............................................................4–27

Figure4‐27.CDM‐700Modem‐to‐SwitchControl&IFConnections–KT/12554....................4–30

Figure4‐28.CDM‐700BlockDiagram:UserÆModemÆSwitchÆTraffic..........................4–31

Figure4‐29.CDM‐700G.703E3/T3/STS‐1andHSSI1:1Example..............................................4–32

Figure4‐30.CDM‐700155MBCopper1:1Example.................................................................4–33

Figure4‐31.CDM‐700OC‐31:1Example(Single‐Modeshown)..............................................4–34

Figure4‐32.CDM‐700GigabitEthernet(GigE)1:1Example....................................................4–35

Figure4‐33.CDM‐710Mo

dem‐to‐SwitchControl&IFConnections–KT/12554....................4–38

Figure4‐34.CDM‐710BlockDiagram:UserÆModemÆSwitchÆTraffic..........................4–39

Figure4‐35.CDM‐710ASI1:1Example....................................................................................4–40

Figure4‐36.CDM‐710HSSI1:1Example..................................................................................4–41

Figure4‐37.CDM‐710GigabitEthernet(GigE)1:1Example....................................................4–42

Figure4‐38.CDM‐710GModem‐to‐SwitchControl&IFConnections–KT/12554.................4–44

Figure4‐39.CDM‐710GBlockDiagram:UserÆModemÆSw itchÆTraffic..........................4–45

Figure4‐40.CDM‐710GSingleG.703E3/T3/STS‐11:1Example...............................................4–46

Figure4‐41.CDM‐710GHSSI1:1Example................................................................................4–47

Figure4‐42.CDM‐710GGigabitEthernet(GigE)1:1Example.................................................4–48

Figure5‐1.CRS‐180–ModemandAntennaSideConnectors...................................................5–1

FigureA‐1.UniversalControlCable(CEFDP/NCA/WR9378‐4).................................................A‐2

FigureA‐2.AdapterCon

trolCable(CEFDP/NCA/WR12135‐1)..................................................A‐3

FigureA‐3.Optional‘Y’SplitterAdapterControlCable(CEFDP/NCA/WR13011‐4)..................A‐4

FigureA‐4.OptionalControlCable(CEFDP/NCA‐0000187)......................................................A‐5

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Table of Contents MN/CRS180.IOM

FigureA‐5.Tx/Rx50ΩType‘BNC’RoHSCoaxCable(CEFDP/NPL/0946‐1)...............................A‐8

FigureA‐6.75ΩType‘BNC’UserDataCoaxialCable(CEFDP/NCA/BNC75OHM).....................A‐9

FigureA‐7.1:1UserDataSplitterCable(CEFDP/NCA/RB10461‐1).........................................A‐10

FigureA‐8.1:1UserData‘Y’SplitterCable(CEFDP/NCA‐0000071)........................................A‐11

FigureA‐9.1:1QuadE1UserData‘Y’SplitterAdapterCable(CEFDP/NCA‐0000163)...........A‐12

FigureA‐10.QuadE1UserData‘Y’SplitterAdapterCable(CEFDP/NCA‐0000164)...............A‐13

FigureA‐11.QuadE1UserData‘Y’SplitterAdapterCableKit(CEFDP/NKT‐0000122)..........A‐14

FigureA‐12.OverheadUserData‘Y’SplitterCable(CEFDP/NCA‐0000070)...........................A‐15

FigureA‐13.ModemtoModemShieldedMulti‐dropCnC

Plus,CDM‐6251:1Cable(CEFDP/N

CA‐0000276).........................................................................................................A ‐16

FigureA‐14.Tx/Rx75ΩType‘BNC’RoHSCoaxCable(CEFDP/NPL/0813‐4)...........................A‐17

FigureA‐15.OpticalGigabitEthernetUserDataCableAssembly(SeeTableforCEFDP/N)....A‐18

FigureA‐16.G.703BalancedUserData‘Y’SplitterCable(CEFDP/NCA/WR10522‐1)............A‐19

FigureA‐17.HSSIUserData‘Y’SplitterCable(CEFDP/NPP/SC3523)......................................A‐20

FigureA‐18.OC‐3UserDataCableAssembly(SeeTableforCEFDP/N)...................................A‐21

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Table of Contents MN/CRS180.IOM

Thispageisintentionallyblank.

PREFACE

About this Manual

This manual provides installation and operation inform at i on for the Comtech EF Data CRS‐180

70/140 MHz IF 1:1 Redundancy Switch.This is a technical document intended for the persons

responsiblefortheoperationandmaintenanceoftheCRS‐180anditssupportedmodems.

Reporting Comments or Suggestions Concerning this Manual

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

manual.Tosubmitcomments,contacttheComtechEFDataTechnicalPublicationsDepartment:



[email protected] om.

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CRS-180 70/140 MHz IF 1:1 Redundancy Switch Revision 8

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xii

Conventions and References

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.

Examples of Multi-Hazard Notices



Metric Conversion

Metricconversioninformationislocatedontheinsidebackcoverofthismanual.Thisinformation

isprovidedtoassisttheoperatorincross‐referencingnon‐MetrictoMetricconversions.

Recommended Standard Designations

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

Electronic Industries Association (EIA). References to the old designations may be shown when

depicting actual text displayed on the individual product Web or Telnet (i.e., remote control)

interface pages for theunit(e.g., RS‐232).All otherreferencesinthe ma

nual willbe shown with

theEIAdesignations.



CRS-180 70/140 MHz IF 1:1 Redundancy Switch Revision 8

Preface MN/CRS180.IOM

xiii

Trademarks

Productnamesmentione d inthis manualmaybe trademarksorregistered trademarksoftheir

respectivecompaniesandareherebyacknowledged.





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.



Theequipmentisratedforoperationat±12voltsDC.Ithasamaximumpowerconsumptionof1

Watt,anddrawsamaximumof80mAat+12voltsDCand120mAat‐12voltsDC.Thepow

er

supplycurrentis,inallcircumstances,suppliedbyeitherasingleComtechEFDatamodem,ora

pairofthesemodems.



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

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

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).



• EXCES

SIVEDUST.



• FLAMMABLEGASES.



• CORROSIVEOREXPLOSIVEATMOSPHERES.

CRS-180 70/140 MHz IF 1:1 Redundancy Switch Revision 8

Preface MN/CRS180.IOM

xiv

Equipment Connection



THECRS‐180ISDESIGNEDFOROPERATIONONLYWITHTHECOMTECHEFDATA

MODEMSLISTEDINTHISMANUAL.THESEMODEMSSUPPLYDCOPERATING

CURRENT(ELECTRONICALLYFUSEDANDPROTECTED)ANDCONTROLSIGNALSFOR

THECORRECTFUNCTIONINGOFTHISUNIT.CONNECTIONTOOTHER

MANUFACTURERS’EQUIPMENTCOULDRESULTINDAMAGETOTHEUNIT.THE

CRS‐180ISNO

TCOMPATIBLEWITHOTHERCOMTECHEFDATAMODEMSNOT

LISTEDINTHISMANUAL.

European Union Electromagnetic Compatibility (EMC) Directive (2004/108/EEC)

Independenttestingverifiesthattheunitcomplieswiththefollowingstandards:



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

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



Inadomesticenvironment,thisdeivemaycauseradiointerferencethatrequiresthe

usertotakeadequateprotectivemeasures.



• Immunity

,EN55082‐1–GenericImmunityStandard:Residential,Commer cial ,and

LightIndustry.



• FederalCommunicationsCommission(FCC)CodeofRegulationPart15,SubpartB.



TO MAKE SURE 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’Tx

(transmit)andRx(receive)femaleconnectors.



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



Type‘D’cabli

ngmusthaveacontinuous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



CRS-180 70/140 MHz IF 1:1 Redundancy Switch Revision 8

Preface MN/CRS180.IOM

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

2002/95/EC on the Restriction of the use of certain Hazardous Substances  in Electrical and 

ElectronicEquipment(RoHS).

European Union Telecommunications Terminal 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.

CE Mark

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

CRS-180 70/140 MHz IF 1:1 Redundancy Switch Revision 8

Preface MN/CRS180.IOM

xvi

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 Comtech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warrantydoes not applytoanyproductorpartsthereofwheretheserialnumberorth e

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



Thewarranty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.



Thewarrant

y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.



Comtech EF Data CRS-180 Operating instructions

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