Comtech EF Data CDM-750 User manual
CDM-750
Advanced High-Speed Trunking Modem
Installation and Operation Manual
For Firmware Version 1.6.1 or higher
Part Number MN-CDM750
Revision 2
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.
Copyright © 2012 Comtech EF Data. All rights reserved. Printed in the USA.
Comtech EF Data, 2114 West 7th Street, Tempe, Arizona 85281 USA,480.333.2200, FAX: 480.333.2161
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TABLE OF CONTENTS
TABLE OF CONTENTS ..............................................................................................................III
TABLES..................................................................................................................................... XII
FIGURES.................................................................................................................................. XIII
PREFACE..................................................................................................................................XV
AboutthisManual..............................................................................................................................xv
ReportingCommentsorSuggestionsConcerningthisManual.............................................................................xv
ConventionsandReferences...............................................................................................................xv
PatentsandTrademarks...........................................................................................................................................xv
Warnings,Cautions,andNotes................................................................................................................................xv
ExamplesofMulti‐HazardNotices..........................................................................................................................xvi
RecommendedStandardDesignations..................................................................................................................xvi
MetricConversion....................................................................................................................................................xvi
SafetyandCompliance.......................................................................................................................xvi
ElectricalSafetyandCompliance.............................................................................................................................xvi
ElectricalInstallation................................................................................................................................................xvii
OperatingEnvironment...........................................................................................................................................xvii
EuropeanUnionRadioEquipmentandTelecommunicationsTerminalEquipment(R&TTE)
Directive(1999/5/EC)andEN301489‐1.......................................................................................................xvii
EuropeanUnionElectromagneticCompatibility(EMC)Directive(2004/108/EC).......................xvii
EuropeanUnionLowVoltageDirective(LVD)(2006/95/EC)............................................................xviii
EuropeanUnionRoHSDirective(2002/95/EC).................................................................................xviii
EuropeanUnionTelecommunicationsTerminalEquipmentDirective(91/263/EEC)........................xix
CEMark...............................................................................................................................................xix
WarrantyPolicy.................................................................................................................................xix
LimitationsofWarranty...........................................................................................................................................xix
ExclusiveRemedies....................................................................................................................................................xx
GettingHelp......................................................................................................................................xxi
ContactingComtechEFData...................................................................................................................................xxi
ReturningaProductforUpgradeorRepair...........................................................................................................xxii
CHAPTER 1.INTRODUCTION .............................................................................................1–1
1.1Overview..............................................................................................................................1–1
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1.2CDM‐750FunctionalDescription...........................................................................................1–1
1.3CDM‐750Features................................................................................................................1–5
1.3.1PhysicalDescription..............................................................................................................................1–6
1.3.2DimensionalEnvelope..........................................................................................................................1–7
1.3.3CDM‐750ExternalPhysicalFeatures...................................................................................................1–8
1.3.3.1FrontPanel........................................................................................................................1–8
1.3.3.2RearPanel.........................................................................................................................1–9
1.3.3.2.1RearPanelStandardFeatures.....................................................................................1–9
1.3.3.2.2RearPanelOptionalFeatures...................................................................................1–10
1.4CDM‐750Specifications......................................................................................................1–11
1.4.1SystemSpecifications.........................................................................................................................1–11
1.4.2EnvironmentalandPhysical...............................................................................................................1–11
1.4.3BaseUnitConnectors.........................................................................................................................1–12
1.4.4TestFunctions.....................................................................................................................................1–12
1.4.5Modulator(DualIF).............................................................................................................................1–12
1.4.6Demodulator(DualIF)........................................................................................................................1–13
1.4.7AdaptiveCodingandModulation(ACM)..........................................................................................1–14
1.4.8DoubleTalkTMCarrier‐in‐Carrier®(CnC)..............................................................................................1–15
1.4.9RegulatoryCompliance......................................................................................................................1–15
1.4.10StandardAssemblies..........................................................................................................................1–15
1.4.11OptionalAssemblies...........................................................................................................................1–16
CHAPTER 2.INSTALLATION ..............................................................................................2–1
2.1UnpackingandInspectingtheShipment...............................................................................2–1
2.2InstallingintoaRackEnclosure.............................................................................................2–2
2.2.1InstallingtheOptionalRear‐MountingSupportBracketsKit............................................................2–4
2.2.2InstallingtheOptionalBearinglessRackSlideSet..............................................................................2–6
CHAPTER 3.REAR PANEL CONNECTIONS......................................................................3–1
3.1CablingConnectionTypes.....................................................................................................3–1
3.1.1CoaxialCableConnections...................................................................................................................3–1
3.1.1.1Type‘BNC’.........................................................................................................................3–2
3.1.1.2Type‘TNC’.........................................................................................................................3–2
3.1.1.3Type‘N’.............................................................................................................................3–2
3.1.1.4Type‘F’..............................................................................................................................3–3
3.1.1.5Type‘SMA’(SubminiatureVersion‘A’).............................................................................3–3
3.1.2D‐SubminiatureCableConnections....................................................................................................3–3
3.1.3CircularCableConnections..................................................................................................................3–4
3.1.4RJ‐45,RJ‐48CableConnections...........................................................................................................3–4
3.2CDM‐750CablingConnections..............................................................................................3–5
3.2.1IFConnectorGroup..............................................................................................................................3–7
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3.2.1.1RxConnectors...................................................................................................................3–7
3.2.1.2TxConnectors...................................................................................................................3–7
3.2.1.3J10|TXMONConnector,Type‘SMA’..............................................................................3–7
3.2.2UtilityConnectorGroup.......................................................................................................................3–8
3.2.2.1J1|ALARMConnector,DB‐15M.......................................................................................3–8
3.2.2.2J2|REDUNDANCYConnector,DB‐9F...............................................................................3–9
3.2.2.3J3|REMOTEConnector,DB‐9M.......................................................................................3–9
3.2.2.4J4|MGMTConnector,RJ‐45F........................................................................................3–10
3.2.2.5J8|EXTREFConnector,BNC..........................................................................................3–10
3.2.3TerrestrialDataConnectorGroup.....................................................................................................3–11
3.2.3.1J5|DATA,J6|DATAConnections,RJ‐45F.....................................................................3–11
3.2.3.2J7|OPTICALConnection,1000Base‐SXCage.................................................................3–12
3.2.3.2.1OptionalOpticalGigabitEthernetInterface(CEFDP/NIC‐0000058)........................3–12
3.2.3.3PIICDataInterfaceSlots..................................................................................................3–13
3.3CDM‐750GroundandPowerConnections..........................................................................3–14
3.3.1ChassisGroundInterface...................................................................................................................3–14
3.3.2115V/230VAlternatingCurrent(AC)PowerInterface(Standard)..................................................3–15
3.3.2.1ACOperation–ApplyingPower......................................................................................3–15
3.3.2.2ACOperation–ReplacingFuses.....................................................................................3–16
3.3.348VDirectCurrent(DC)PowerInterface(Optional)(FUTURE).......................................................3–17
3.3.3.1DCOperation–ApplyingPower.....................................................................................3–18
3.3.3.2DCOperation–ReplacingFuses.....................................................................................3–19
CHAPTER 4.UPDATING FIRMWARE .................................................................................4–1
4.1UpdatingFirmwareviatheInternet......................................................................................4–1
4.2GettingStarted:PreparingfortheFirmwareDownload........................................................4–2
4.3DownloadingandExtractingtheFirmwareUpdate...............................................................4–6
4.4PerformingtheEthernetFTPUploadProcedure....................................................................4–8
CHAPTER 5.FRONT PANEL OPERATION.........................................................................5–1
5.1Introduction.........................................................................................................................5–1
5.1.1LEDIndicators........................................................................................................................................5–2
5.1.2Keypad...................................................................................................................................................5–3
5.1.3VacuumFluorescentDisplay(VFD).....................................................................................................5–4
5.1.3.1OpeningScreen.................................................................................................................5–4
5.1.3.2ScreenSaver......................................................................................................................5–4
5.2CDM‐750FrontPanelMenus................................................................................................5–5
5.2.1SELECT:(Main)Menu...........................................................................................................................5–6
5.2.2SELECT:Configuration..........................................................................................................................5–6
5.2.2.1CONFIG:Intf(ConfigureInterface)....................................................................................5–7
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5.2.2.1.1SingleStreamModevs.MultiStreamModeOperation.............................................5–8
5.2.2.1.2(CONFIG)INTF:PIICX=G703....................................................................................5–10
5.2.2.1.3(CONFIG)INTF:PIICX=OC3......................................................................................5–14
5.2.2.1.4(CONFIG)INTF:GBEIX...............................................................................................5–17
5.2.2.1.5(CONFIG)INTF:Optical..............................................................................................5–20
5.2.2.2CONFIG:Tx......................................................................................................................5–20
5.2.2.2.1(CONFIG)Tx:IF..........................................................................................................5–20
5.2.2.2.2(CONFIG)Tx:Freq(Frequency).................................................................................5–20
5.2.2.2.3(CONFIG)Tx:Power..................................................................................................5–21
5.2.2.2.4(CONFIG)Tx:Frame..................................................................................................5–21
5.2.2.2.5(CONFIG)Tx:Mod(Modulation)...............................................................................5–22
5.2.2.2.6(CONFIG)Tx:Data.....................................................................................................5–22
5.2.2.2.7(CONFIG)Tx:Pilot.....................................................................................................5–24
5.2.2.3CONFIG:Rx......................................................................................................................5–26
5.2.2.3.1(CONFIG)Rx:IF..........................................................................................................5–26
5.2.2.3.2(CONFIG)Rx:Freq(Frequency).................................................................................5–26
5.2.2.3.3(CONFIG)Rx:Frame..................................................................................................5–26
5.2.2.3.4(CONFIG)Rx:Mod(Modulation)...............................................................................5–27
5.2.2.3.5(CONFIG)Rx:Data.....................................................................................................5–27
5.2.2.3.6(CONFIG)Rx:Pilot.....................................................................................................5–27
5.2.2.3.7(CONFIG)Rx:EsNo....................................................................................................5–28
5.2.2.4CONFIG:Clocks................................................................................................................5–29
5.2.2.4.1(CONFIG)Clocking:Freq‐Ref.....................................................................................5–29
5.2.2.4.2(CONFIG)Clocking:Int‐Ref‐Adjust............................................................................5–29
5.2.2.5CONFIG:ACM(AdaptiveCodingandModulation).........................................................5–30
5.2.2.5.1(CONFIG)ACMConfig:Min/Max‐ModCod...............................................................5–30
5.2.2.5.2(CONFIG)ACMConfig:Unlock‐Action......................................................................5–30
5.2.2.5.3(CONFIG)ACMConfig:Target‐Es/No‐Margin...........................................................5–31
5.2.2.5.4(CONFIG)ACMConfig:Degradation.........................................................................5–31
5.2.2.6CONFIG:CnC....................................................................................................................5–33
5.2.2.6.1(CONFIG)Carrier‐in‐Carrier:Mode...........................................................................5–33
5.2.2.6.2(CONFIG)Carrier‐in‐Carrier:Search‐Delay................................................................5–33
5.2.2.7CONFIG:Mask.................................................................................................................5–34
5.2.2.8CONFIG:Remote(RemoteControl)................................................................................5–35
5.2.2.8.1(CONFIG)RemoteControl:SerialorSer+Ethernet...................................................5–35
5.2.2.8.2(CONFIG)RemoteControl:Inband...........................................................................5–36
5.2.2.9CONFIG:IP.......................................................................................................................5–37
5.2.2.9.1(CONFIG)IPConfig:Addresses..................................................................................5–37
5.2.2.9.2(CONFIG)IPConfig:SNMP........................................................................................5–38
5.2.2.10CONFIG:Comp............................................................................................................5–40
5.2.3SELECT:Test.........................................................................................................................................5–41
5.2.3.1TEST:Mode.....................................................................................................................5–41
5.2.3.2TEST:BERT.......................................................................................................................5–43
5.2.3.2.1TEST:BERTÆConfig................................................................................................5–43
5.2.3.2.2TEST:BERTÆMonitor.............................................................................................5–43
5.2.3.3TEST:Comp.....................................................................................................................5–44
5.2.4SELECT:Monitor..................................................................................................................................5–45
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5.2.4.1Monitor:Live‐Alarms......................................................................................................5–45
5.2.4.2Monitor:Stored‐Events...................................................................................................5–46
5.2.4.3Monitor:ACM.................................................................................................................5–46
5.2.4.4Monitor:Rx‐Params(RxParameters).............................................................................5–46
5.2.4.5Monitor:CnC(Carrier‐in‐CarrierParameters)................................................................5–47
5.2.4.6Monitor:Stats(Statistics)................................................................................................5–47
5.2.4.6.1Monitor:StatsÆIP..................................................................................................5–48
5.2.4.6.2Monitor:StatsÆBasebandFraming.......................................................................5–49
5.2.4.6.3Monitor:StatsÆCompression................................................................................5–50
5.2.4.7Monitor:Buffer...............................................................................................................5–51
5.2.5SELECT:Info(Information).................................................................................................................5–52
5.2.5.1Info:ID.............................................................................................................................5–52
5.2.5.2Info:Intf..........................................................................................................................5–52
5.2.5.3Info:Tx............................................................................................................................5–53
5.2.5.4Info:Rx............................................................................................................................5–53
5.2.5.5Info:Clocks......................................................................................................................5–54
5.2.5.6Info:ACM........................................................................................................................5–54
5.2.5.7Info:CnC..........................................................................................................................5–54
5.2.5.8Info:Misc.........................................................................................................................5–54
5.2.5.9Info:Remote...................................................................................................................5–55
5.2.5.10Info:Comp...................................................................................................................5–55
5.2.6SELECT:Store/Ld(Store/Load)...........................................................................................................5–56
5.2.7SELECT:Utility......................................................................................................................................5–57
5.2.7.1Utility:Set‐RTC................................................................................................................5–57
5.2.7.2Utility:Display‐Brightness...............................................................................................5–57
5.2.7.3Utility:LED.......................................................................................................................5–57
5.2.7.4Utility:1:1........................................................................................................................5–58
5.2.7.5Utility:1:N.......................................................................................................................5–58
5.2.7.6Utility:CircuitID..............................................................................................................5–59
5.2.7.7Utility:Firmware.............................................................................................................5–59
5.2.7.7.1(UTILITY)FirmwareImages:Info...............................................................................5–59
5.2.7.7.2(UTILITY)FirmwareImages:Select...........................................................................5–60
5.2.8SELECT:ODU(OutdoorUnit).............................................................................................................5–60
5.2.8.1ODU:LNB:PwrSupply+Ref...............................................................................................5–60
5.2.8.1.1(ODU)LNB:PwrSupply+Ref:PSU‐and‐10MHz...........................................................5–60
5.2.8.1.2(ODU)LNB:PwrSupply+Ref:PSUmonitor..................................................................5–61
5.2.9SELECT:FAST.......................................................................................................................................5–62
5.2.9.1FAST:Options..................................................................................................................5–62
5.2.9.1.1(FAST)FASTOptions:Set..........................................................................................5–63
5.2.9.1.2(FAST)FASTOptions:View........................................................................................5–63
5.2.9.2FAST:Demo‐Mode..........................................................................................................5–63
5.2.9.3FAST:CnC........................................................................................................................5–64
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CHAPTER 6.ETHERNET-BASED REMOTE PRODUCT MANAGEMENT .........................6–1
6.1Introduction.........................................................................................................................6–1
6.2EthernetManagementInterfaceProtocols...........................................................................6–2
6.3SNMPInterface....................................................................................................................6–2
6.3.1ManagementInformationBase(MIB)Files........................................................................................6–3
6.3.2SNMPCommunityStrings....................................................................................................................6–3
6.3.3SNMPTraps...........................................................................................................................................6–4
6.4TelnetInterface....................................................................................................................6–5
6.4.1TelnetOperationviaHyperTerminal...................................................................................................6–5
6.5WebServer(HTTP)Interface.................................................................................................6–7
6.5.1UserLogin..............................................................................................................................................6–7
6.5.2WebServerInterface–OperationalFeatures....................................................................................6–8
6.5.2.1Navigation.........................................................................................................................6–8
6.5.2.2PageSections....................................................................................................................6–8
6.5.2.3ActionButtons..................................................................................................................6–8
6.5.2.4Drop‐downLists................................................................................................................6–8
6.5.2.5TextorDataEntry.............................................................................................................6–9
6.5.3WebServerInterface–MenuTree.....................................................................................................6–9
6.5.4WebServerInterfacePageDescriptions...........................................................................................6–10
6.5.4.1Homepages....................................................................................................................6–10
6.5.4.1.1Home|Home...........................................................................................................6–10
6.5.4.1.2Home|ContactandHome|Support......................................................................6–11
6.5.4.2Admin(Administration)pages........................................................................................6–12
6.5.4.2.1Admin|Access.........................................................................................................6–12
6.5.4.2.2Admin|SNMP..........................................................................................................6–14
6.5.4.3Configurationpages........................................................................................................6–15
6.5.4.3.1Configuration|Modem............................................................................................6–15
6.5.4.3.2Configuration|Utilities............................................................................................6–16
6.5.4.3.3Configuration|Test..................................................................................................6–17
6.5.4.3.4Configuration:LNB(LowNoiseBlockDownConverter)...........................................6–18
6.5.4.4Statuspages....................................................................................................................6–19
6.5.4.4.1Status|Status...........................................................................................................6–19
6.5.4.4.2Status|Logs.............................................................................................................6–20
6.5.4.4.3Status|Info..............................................................................................................6–21
6.5.4.4.4Status|Firmware.....................................................................................................6–22
6.5.4.4.5Status|ACM.............................................................................................................6–23
6.5.4.4.6Status|IPStatistics..................................................................................................6–24
6.5.4.4.7Status|BBStatistics.................................................................................................6–25
6.5.4.5Interfacespages..............................................................................................................6–26
6.5.4.5.1Interfaces|Ethernet................................................................................................6–27
6.5.4.5.2Interfaces|PIIC(Plug‐InInterfaceCard)..................................................................6–28
6.5.4.6TxGraphpages(Minutes/Hours/Days)........................................................................6–30
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6.5.4.7RxGraphpages(Minutes/Hours/Days)........................................................................6–33
CHAPTER 7.SERIAL-BASED REMOTE PRODUCT MANAGEMENT................................7–1
7.1Introduction.........................................................................................................................7–1
7.2EIA‐485.................................................................................................................................7–2
7.3EIA‐232.................................................................................................................................7–3
7.4RemoteCommandsandQueriesOverview...........................................................................7–3
7.4.1BasicProtocol........................................................................................................................................7–3
7.4.2PacketStructure....................................................................................................................................7–3
7.4.2.1StartofPacket...................................................................................................................7–4
7.4.2.2TargetAddress..................................................................................................................7–4
7.4.2.3AddressDelimiter..............................................................................................................7–5
7.4.2.4InstructionCode................................................................................................................7–5
7.4.2.5InstructionCodeQualifier.................................................................................................7–5
7.4.2.6OptionalMessageArguments...........................................................................................7–6
7.4.2.7EndofPacket....................................................................................................................7–6
7.5RemoteCommandsandQueries...........................................................................................7–7
7.5.1TableIndexes.........................................................................................................................................7–7
7.5.2TxParameters.....................................................................................................................................7–10
7.5.3RxParameters.....................................................................................................................................7–13
7.5.4IPPacketParameters..........................................................................................................................7–16
7.5.5UnitParameters..................................................................................................................................7–18
7.5.6ACMParameters.................................................................................................................................7–26
7.5.7PIICInterfaceParameters...................................................................................................................7–27
7.5.8BulkConfigurationStrings..................................................................................................................7–30
7.5.9ODUParameters.................................................................................................................................7–32
7.5.10ModemInformation...........................................................................................................................7–33
7.5.11ModemPerformanceIndication.......................................................................................................7–37
7.5.12RedundancyControl...........................................................................................................................7–42
APPENDIX A.FAST OPTIONS AND ACTIVATION PROCEDURE.................................... A–1
A.1FASTSystemOverview.........................................................................................................A–1
A.2FASTActivationProcedure....................................................................................................A–2
APPENDIX B.PIIC (PLUG-IN INTERFACE CARD) MODULES ......................................... B–1
B.1Introduction.........................................................................................................................B–1
B.1.1TypicalPIICModuleInstallation...........................................................................................................B–2
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B.2OptionalPIICModules..........................................................................................................B–4
B.2.1G.703E3/T3/STS‐1PIICModule(CEFDP/NPL‐0000795).................................................................B–4
B.2.1.1G.703E3/T3/STS‐1PIICModuleSummaryofSpecifications............................................B–5
B.2.1.1.1GeneralSpecifications................................................................................................B–5
B.2.1.1.2InterfaceSpecifications..............................................................................................B–5
B.2.2STM‐1CopperPIICModuleKit(CEFDP/NKT‐0000255)...................................................................B–6
B.2.2.1STM‐1CopperPIICModuleSummaryofSpecifications...................................................B–7
B.2.3OC‐3Single/MultiModePIICModuleKits(CEFDP/NKT‐000025X).................................................B–8
B.2.3.1OC‐3Single/MultiModePIICModuleSummaryofSpecifications...................................B–9
APPENDIX C.ADAPTIVE CODING AND MODULATION (ACM) OPTION ........................ C–1
C.1Introduction.........................................................................................................................C–1
C.2Background..........................................................................................................................C–2
C.2.1ACMOperationalLinkExample...........................................................................................................C–4
C.3ACMSystemDescription.......................................................................................................C–6
C.4CDM‐750ACMScheme.........................................................................................................C–8
C.4.1TargetEs/NoMargin.............................................................................................................................C–8
C.4.2DistortionAdaptation/ModulationTypeImpairment.....................................................................C–9
C.4.3Pilots.....................................................................................................................................................C–10
C.4.4LongandShortFrames.......................................................................................................................C–10
C.4.5MonotonicOperation.........................................................................................................................C–10
C.4.6ModCodSelection...............................................................................................................................C–12
C.5ConfiguringACMintheCDM‐750.......................................................................................C–14
C.5.1ACMConfigurationviatheFrontPanel.............................................................................................C–16
C.5.2ACMConfigurationviatheCDM‐750WebServerInterface...........................................................C–17
C.6MonitoringACMPerformanceandStatistics.......................................................................C–18
C.6.1ACMCongestionControl....................................................................................................................C–19
C.6.2NotesandRecommendations...........................................................................................................C–20
C.6.3ACM–SummaryofSpecifications.....................................................................................................C–21
APPENDIX D.DOUBLETALK CARRIER-IN-CARRIER (CNC) OPTION............................ D–1
D.1Introduction.........................................................................................................................D–1
D.1.1WhatisDoubleTalkCarrier‐in‐Carrier?...............................................................................................D–1
D.2ApplicationRequirements....................................................................................................D–2
D.3OperationalDetails...............................................................................................................D–4
D.4SystemFunctionalityandOperationalConsiderations..........................................................D–5
D.4.1DoubleTalkCarrier‐in‐CarrierCancellationProcess...........................................................................D–8
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D.4.2MarginRequirements...........................................................................................................................D–9
D.4.3Carrier‐in‐CarrierLatency.....................................................................................................................D–9
D.4.4Carrier‐in‐CarrierandAdaptiveCodingandModulation(ACM).....................................................D–10
D.4.5Carrier‐in‐CarrierLinkDesign.............................................................................................................D–10
D.4.6SymmetricDataRateLink..................................................................................................................D–11
D.4.6.1AsymmetricDataRateLink.............................................................................................D–13
D.4.6.2PowerLimitedLinks........................................................................................................D–14
D.4.7CommissioningandDeployingCarrier‐in‐Carrier.............................................................................D–16
D.5OperationalReferences......................................................................................................D–17
D.5.1CalculatingaCarrier‐in‐CarrierLinkBudget......................................................................................D–17
D.5.2Estimating/CalculatingCnCRatio.....................................................................................................D–18
D.5.2.1EstimatingCnCRatiofromLST/EIRP.............................................................................D–18
D.5.2.2CalculatingCnCRatiofromCarriertoNoiseRatio(C/N)onaSpectrumAnalyzer.........D–19
D.5.3CalculatingCnCRatioandPSDRatiofromSatmaster......................................................................D–20
D.6DoubleTalkCarrier‐in‐CarrierSpecifications........................................................................D–20
D.7Carrier‐in‐CarrierSummary.................................................................................................D–20
D.8Glossary..............................................................................................................................D–21
APPENDIX E.ES/NO MEASUREMENT .............................................................................. E–1
APPENDIX F.ETHERNET NETWORK CONFIGURATION..................................................F–1
F.1Introduction..........................................................................................................................F–1
F.2EthernetRoutersandSwitches..............................................................................................F–1
F.3EthernetConfigurationExamples...........................................................................................F–2
F.3.1EthernetNetworkOverview.................................................................................................................F–2
F.4CDM‐750EthernetOverview.................................................................................................F–3
F.4.1EthernetInterfaces................................................................................................................................F–3
F.4.2EthernetOverhead................................................................................................................................F–4
APPENDIX G.ETHERNET STATISTICS AND STATUS REPORTING ..............................G–1
G.1Introduction.........................................................................................................................G–1
G.2DataFlowDiagram...............................................................................................................G–1
G.3StatisticsItems.....................................................................................................................G–3
G.3.1EthernetDataStatistics........................................................................................................................G–3
G.3.2FramingandBasebandStatistics.........................................................................................................G–3
G.3.3StatusItems...........................................................................................................................................G–4
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G.3.4BERTesting............................................................................................................................................G–4
G.3.5ACMModulatorStatus.........................................................................................................................G–4
G.3.6ACMDemodulatorStatus....................................................................................................................G–4
G.3.7CnCStatus..............................................................................................................................................G–4
APPENDIX H.FEC (FORWARD ERROR CORRECTION)..................................................H–1
H.1Introduction.........................................................................................................................H–1
H.2DVB‐S2:LDPCandBCH..........................................................................................................H–1
H.2.1RangeofDataRates..............................................................................................................................H–2
H.2.2BER,QEF,Eb/No,Es/NoSpectralEfficiency,andOccupiedBandwidth...........................................H–2
TABLES
Table1‐1.FASTandFAST‐accessibleHardwareOptions..........................................................................1–4
Table3‐1.CDM‐750RearPanelConnectors.............................................................................................3–6
Table5‐1.CDM‐750FrontPanelMenuMatrix.........................................................................................5–5
Table5‐2.SymbolRate/DataRateRangeforStandardFECFrame(DVB‐S2StandardFECFrame=64,800
bits).................................................................................................................................................5–25
TableC‐1.ACMExampleforStandardFECFrame(64,800bits)...............................................................C–2
TableC‐2.ModCodComparison:ACMvs.CCM........................................................................................C–3
TableC‐3.TurningMarginintoAdditionalCapacity.................................................................................C–5
TableC‐4.ModulationTypeImpairment................................................................................................C–10
TableC‐5.SpectralEfficiencyandIdealEs/NobyModCod....................................................................C–11
TableC‐6.DataRatebyOptionSymbolRate..........................................................................................C–15
TableD‐1.SpectralEfficiencyusingDoubleTalkCarrier‐in‐Carrier..........................................................D–7
TableE‐1.CDM‐750Co+No/NotoC/N(Es/No)andEb/No(dB)forDVB‐S2QPSKand8PSK..................E–3
TableE‐2.CDM‐750Co+No/NotoC/N(Es/No)andEb/No(dB)forDVB‐S216APSKand32APSK..........E–4
CDM-750 Advanced High-Speed Trunking Modem Revision 2
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xiii
FIGURES
Figure1‐1.CDM‐750AdvancedHigh‐SpeedTrunkingModem................................................................1–1
Figure1‐2.CDM‐750DimensionalEnvelope............................................................................................1–7
Figure1‐3.CDM‐750FrontPanelView.....................................................................................................1–8
Figure1‐4.CDM‐750RearPanelView......................................................................................................1–9
Figure1‐5.70/140MHzInputLevelvs.SymbolRate.............................................................................1–13
Figure1‐6.L‐BandInputLevelvs.SymbolRate......................................................................................1–14
Figure2‐1.UnpackingandInspectingtheShipment................................................................................2–1
Figure2‐2.InstallingintoaRackEnclosure..............................................................................................2–3
Figure2‐3.InstallingtheOptionalRear‐MountingSupportBracketsKit.................................................2–4
Figure2‐4.InstallingtheOptionalBearinglessRackSlideSet..................................................................2–6
Figure3‐1.CoaxialConnectorExamples...................................................................................................3–1
Figure3‐2.D‐SubminiatureConnectorExamples.....................................................................................3–3
Figure3‐3.CDM‐750CablingConnections...............................................................................................3–5
Figure3‐4.TypicalSFPModuleInstallation............................................................................................3–12
Figure3‐5.TypicalPIICModuleInstallation...........................................................................................3–13
Figure3‐6.CDM‐750ChassisGroundInterface......................................................................................3–14
Figure3‐7.CDM‐750ACPowerInterface...............................................................................................3–15
Figure3‐8.ApplyingACPowertotheCDM‐750.....................................................................................3–15
Figure3‐9.ReplacingCDM‐750ACFuses...............................................................................................3–16
Figure3‐10.CDM‐750DCPowerInterface.............................................................................................3–17
Figure3‐11.ApplyingDCPowertotheCDM‐750...................................................................................3–18
Figure3‐12.ReplacingCDM‐750DCFuses.............................................................................................3–19
Figure5‐1.CDM‐750FrontPanelView.....................................................................................................5–1
Figure5‐2.MACLearningOperations.....................................................................................................5–19
Figure5‐3.LoopbackTestModes...........................................................................................................5–42
Figure6‐1.CDM‐750Homepage............................................................................................................6–10
Figure6‐2.Home|ContactandHome|Supportpages........................................................................6–11
Figure6‐3.Admin|Accesspage.............................................................................................................6–12
Figure6‐4.Admin|SNMPpage.............................................................................................................6–14
Figure6‐5.Configuration|Modempage...............................................................................................6–15
Figure6‐6.Configuration|Utilitiespage...............................................................................................6–16
Figure6‐7.Configuration|Testpage.....................................................................................................6–17
Figure6‐8.Configuration|LNBpage.....................................................................................................6–18
Figure6‐9.Status|Statuspage..............................................................................................................6–19
Figure6‐10.Status|Logspage...............................................................................................................6–20
Figure6‐11.Status|Infopage...............................................................................................................6–21
Figure6‐12.Status|FirmwareInfopage...............................................................................................6–22
Figure6‐13.Status|ACMStatuspage...................................................................................................6–23
Figure6‐14.Status|IPStatisticspage...................................................................................................6–24
Figure6‐15.Status|BBStatisticspage..................................................................................................6–25
Figure6‐16.Interfaces|Ethernetpage..................................................................................................6–27
Figure6‐17.Interfacespage...................................................................................................................6–28
Figure6‐18.TxGraphpages(TxHourspageshown)...............................................................................6–30
Figure6‐19.RxGraphpages(RxHourspageshown)...............................................................................6–33
CDM-750 Advanced High-Speed Trunking Modem Revision 2
Table of Contents MN-CDM750
xiv
FigureB‐1.TypicalPIICModuleInstallation.............................................................................................B–2
FigureB‐2.G.703E3/T3/STS‐1PIICModule.............................................................................................B–4
FigureB‐3.G.703E3/T3/STS‐1PIICModuleBlockDiagram.....................................................................B–4
FigureB‐4.G.703E3/T3/STS‐1PIICModulePanelConnectors................................................................B–4
FigureB‐5.STM‐1CopperPIICModuleKit(CEFDP/NKT‐0000255)........................................................B–6
FigureB‐6.STM‐1CopperPIICModule–SFPInstallation........................................................................B–6
FigureB‐7.OC‐3SingleModeorMultiModePIICModuleKit(CEFDP/NKT‐000025X)..........................B–8
FigureB‐8.OC‐3SingleModeorMultiModePIICModule–SFPInstallation..........................................B–8
FigureC‐1.DownlinkMarginvs.AverageLinkAvailability.......................................................................C–4
FigureC‐2.UserThroughputvs.TimeandFades.....................................................................................C–5
FigureC‐3.ACM‐over‐Satellite–GenericExample..................................................................................C–7
FigureC‐4.SingleHopLatency..................................................................................................................C–9
FigureC‐5.SpectralEfficiencyvs.IdealEs/No@QEF............................................................................C–12
FigureC‐6.SpectralEfficiencyvs.ModemEs/No@QEF(PrunedModCods)........................................C–13
FigureC‐7.CDM‐750WebServerInterface–Configuration|Modempage........................................C–17
FigureC‐8.CDM‐750–ACMCongestionControl...................................................................................C–19
FigureD‐1.ConceptualBlockDiagram.....................................................................................................D–3
FigureD‐2.ConventionalFDMALink........................................................................................................D–5
FigureD‐3.SameLinkUsingCDM‐750andDoubleTalkCarrier‐in‐Carrier...............................................D–6
FigureD‐4.DuplexLinkOptimization.......................................................................................................D–6
FigureD‐5.DoubleTalkCarrier‐in‐CarrierSignals.....................................................................................D–8
FigureD‐6.Carrier‐in‐CarrierSignalProcessingBlockDiagram...............................................................D–9
FigureF‐1.NetworkingLoopwithSwitches.............................................................................................F–2
FigureF‐2.CDM‐750EthernetArchitectureDesign.................................................................................F–3
FigureF‐3.ImproperUseofExternalSwitchwithCDM‐750....................................................................F–4
FigureG‐1.CDM‐750DataFlowDiagram................................................................................................G–2
FigureH‐1.DVB‐S2QPSKPacketErrorRateversusEs/No.......................................................................H–3
FigureH‐2.DVB‐S28PSKPacketErrorRateversusEs/No........................................................................H–4
FigureH‐3.DVB‐S216APSKPacketErrorRateversusEs/No....................................................................H–5
FigureH‐4.DVB‐S232APSKPacketErrorRateversusEs/No....................................................................H–6
xv
PREFACE
About this Manual
ThismanualprovidesinstallationandoperationinformationfortheComtechEFDataCDM‐750
AdvancedHigh‐SpeedTrunkingModem.Thisisaninformationaldocumentintendedforthe
personsresponsiblefortheoperationandmaintenanceoftheCDM‐750.
Reporting Comments or Suggestions Concerning this Manual
ComtechEFDatawelcomescommentsandsuggestionsregardingthecontentanddesignofthis
manual.ContacttheComtechEFDataTechnicalPublicationsDepartment:
Conventions and References
Patents and Trademarks
SeeallofComtechEFData'sPatentsandPatentsPendingathttp://patents.comtechefdata.com.
ComtechEFDataacknowledgesthatalltrademarksarethepropertyofthetrademarkowners.
•DoubleTalk®islicensedfrom"RaytheonAppliedSignalTechnology".
•DoubleTalk®isaregisteredtrademarkof"RaytheonAppliedSignalTechnology".
•Carrier‐in‐Carrier®isaregisteredtrademarkofComtechEFData.
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.
CDM-750 Advanced Higuh-Speed Trunking Modem Revision 2
Preface MN-CDM750
xvi
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
Recommended Standard Designations
RecommendedStandard(RS)Designationsaresupersededbythenewdesignationofthe
ElectronicIndustriesAssociation(EIA).Referencestotheolddesignationsmaybeshownwhen
depictingactualtext(e.g.,RS‐232)displayedontheWebServerpages,serialremoteinterface,or
unitrearpanel.AllotherreferencesinthemanualrefertoEIAdesignations.
Metric Conversion
Metricconversioninformationisprovidedattheinsidebackcoverofthismanualtoassistthe
operatorincross‐referencingnon‐MetrictoMetricconversions.
The user should carefully review the following information:
Safety and Compliance
Electrical Safety and Compliance
TheunitcomplieswiththeEN60950SafetyofInformationTechnologyEquipment(Including
ElectricalBusinessMachines)safetystandard.
IFTHEUNITISOPERATEDINAVEHICLEORMOVABLEINSTALLATION,MAKESURE
THEUNITISSTABLE.OTHERWISE,EN60950SAFETYISNOTGUARANTEED.
CDM-750 Advanced Higuh-Speed Trunking Modem Revision 2
Preface MN-CDM750
xvii
Electrical Installation
CONNECTTHEUNITTOAPOWERSYSTEMTHATHASSEPARATEGROUND,LINEAND
NEUTRALCONDUCTORS.DONOTCONNECTTHEUNITWITHOUTADIRECT
CONNECTIONTOGROUND.
Sect3.3CDM‐750GroundandPowerConnections
Operating Environment
DONOTOPERATETHEUNITINANYOFTHESEEXTREMEOPERATINGCONDITIONS:
•AMBIENTTEMPERATURESLESSTHAN0°C(32°F)ORMORETHAN50°C
(122°F).
•PRECIPITATION,CONDENSATION,ORHUMIDATMOSPHERESOFMORE
THAN95%RELATIVEHUMIDITY.
•UNPRESSURIZEDALTITUDESOFMORETHAN2000METRES(6561.7FEET).
•EXCESSIVEDUST.
•FLAMMABLEGASES.
•CORROSIVEOREXPLOSIVEATMOSPHERES.
European Union Radio Equipment and Telecommunications Terminal
Equipment (R&TTE) Directive (1999/5/EC) and EN 301 489-1
IndependenttestingverifiesthattheunitcomplieswiththeEuropeanUnionR&TTEDirective,its
referencetoEN301489‐1(ElectromagneticcompatibilityandRadiospectrumMatters[ERM];
ElectroMagneticCompatibility[EMC]standardforradioequipmentandservices,Part1:
Commontechnicalrequirements),andtheDeclarationsofConformityfortheapplicable
directives,standards,andpracticesthatfollow:
European Union Electromagnetic Compatibility (EMC) Directive
(2004/108/EC)
•Emissions:EN55022ClassB–LimitsandMethodsofMeasurementofRadio
InterferenceCharacteristicsofInformationTechnologyEquipment.
•Immunity:EN55024–InformationTechnologyEquipment:ImmunityCharacteristics,
Limits,andMethodsofMeasurement.
•EN61000‐3‐2–HarmonicCurrentsEmission
CDM-750 Advanced Higuh-Speed Trunking Modem Revision 2
Preface MN-CDM750
xviii
•EN61000‐3‐3–VoltageFluctuationsandFlicker.
•FederalCommunicationsCommissionFederalCodeofRegulationFCCPart15,SubpartB.
TOENSURETHATTHEUNITCOMPLIESWITHTHESESTANDARDS,OBEYTHESE
INSTRUCTIONS:
•UsecoaxialcablethatisofgoodqualityforconnectionstotheL‐BandType‘N’Rx
(receive)femaleconnector.
•UseType'D'connectorsthathaveback‐shellswithcontinuousmetallicshielding.
Type‘D’cablingmusthaveacontinuousoutershield(eitherfoilorbraid,orboth).The
shieldmustbebondedtotheback‐shell.
•Operatetheunitwithitscoveronatalltimes.
European Union Low Voltage Directive (LVD) (2006/95/EC)
SymbolDescription
<HAR>TypeofpowercordrequiredforuseintheEuropeanCommunity.
CAUTION:Double‐pole/NeutralFusing
ACHTUNG: Zweipoligebzw.Neutralleiter‐Sicherung
InternationalSymbols
SymbolDefinitionSymbolDefinition
AlternatingCurrentProtectiveEarth
FuseChassisGround
Foradditionalsymbols,refertoWarnings,CautionsandNoteslistedearlierinthis
Preface.
European Union RoHS Directive (2002/95/EC)
Thisunitsatisfies(withexemptions)therequirementsspecifiedintheEuropeanUnionDirective
ontheRestrictionofHazardousSubstancesinElectricalandElectronicEquipment(EURoHS,
Directive2002/95/EC).
!
CDM-750 Advanced Higuh-Speed Trunking Modem Revision 2
Preface MN-CDM750
xix
European Union Telecommunications Terminal Equipment Directive
(91/263/EEC)
InaccordancewiththeEuropeanUnionTelecommunicationsTerminalEquipmentDirective
91/263/EEC,theunitshouldnotbedirectlyconnectedtothePublicTelecommunications
Network.
CE Mark
ComtechEFDatadeclaresthattheunitmeetsthenecessaryrequirementsfortheCEMark.
Warranty Policy
ComtechEFDataproductsarewarrantedagainstdefectsinmaterialandworkmanship
foraspecificperiodfromthedateofshipment,andthisperiodvariesbyproduct.In
mostcases,thewarrantyperiodistwoyears.Duringthewarrantyperiod,ComtechEF
Datawill,atitsoption,repairorreplaceproductsthatprovetobedefective.Repairsare
warrantedfortheremainderoftheoriginalwarrantyora90dayextendedwarranty,
whicheverislonger.ContactComtechEFDataforthewarrantyperiodspecifictothe
productpurchased.
Forequipmentunderwarranty,theownerisresponsibleforfreighttoComtechEFData
andallrelatedcustoms,taxes,tariffs,insurance,etc.ComtechEFDataisresponsiblefor
thefreightchargesonlyforreturnoftheequipmentfromthefactorytotheowner.
ComtechEFDatawillreturntheequipmentbythesamemethod(i.e.,Air,Express,
Surface)astheequipmentwassenttoComtechEFData.
AllequipmentreturnedforwarrantyrepairmusthaveavalidRMAnumberissuedprior
toreturnandbemarkedclearlyonthereturnpackaging.ComtechEFDatastrongly
recommendsallequipmentbereturnedinitsoriginalpackaging.
ComtechEFDataCorporation’sobligationsunderthiswarrantyarelimitedtorepairor
replacementoffailedparts,andthereturnshipmenttothebuyeroftherepairedor
replacedparts.
Limitations of Warranty
Thewarrantydoesnotapplytoanypartofaproductthathasbeeninstalled,altered,
repaired,ormisusedinanywaythat,intheopinionofComtechEFDataCorporation,
wouldaffectthereliabilityordetractsfromtheperformanceofanypartoftheproduct,
orisdamagedastheresultofuseinawayorwithequipmentthathadnotbeen
previouslyapprovedbyComtechEFDataCorporation.
CDM-750 Advanced Higuh-Speed Trunking Modem Revision 2
Preface MN-CDM750
xx
Thewarrantydoesnotapplytoanyproductorpartsthereofwheretheserialnumberorthe
serialnumberofanyofitspartshasbeenaltered,defaced,orremoved.
Thewarrantydoesnotcoverdamageorlossincurredintransportationoftheproduct.The
warrantydoesnotcoverreplacementorrepairnecessitatedbylossordamagefromany
causebeyondthecontrolofComtechEFDataCorporation,suchaslightningorother
naturalandweatherrelatedeventsorwartimeenvironments.
Thewarrantydoesnotcoveranylaborinvolvedintheremovalandorreinstallationof
warrantedequipmentorpartsonsite,oranylaborrequiredtodiagnosethenecessity
forrepairorreplacement.
ThewarrantyexcludesanyresponsibilitybyComtechEFDataCorporationforincidentalor
consequentialdamagesarisingfromtheuseoftheequipmentorproducts,orforany
inabilitytousethemeitherseparatefromorincombinationwithanyotherequipmentor
products.
Afixedchargeestablishedforeachproductwillbeimposedforallequipmentreturned
forwarrantyrepairwhereComtechEFDataCorporationcannotidentifythecauseofthe
reportedfailure.
Exclusive Remedies
ComtechEFDataCorporation’swarranty,asstatedisinlieuofallotherwarranties,
expressed,implied,orstatutory,includingthoseofmerchantabilityandfitnessfora
particularpurpose.Thebuyershallpassontoanypurchaser,lessee,orotheruserof
ComtechEFDataCorporation’sproducts,theaforementionedwarranty,andshall
indemnifyandholdharmlessComtechEFDataCorporationfromanyclaimsorliability
ofsuchpurchaser,lessee,oruserbaseduponallegationsthatthebuyer,itsagents,or
employeeshavemadeadditionalwarrantiesorrepresentationsastoproduct
preferenceoruse.
Theremediesprovidedhereinarethebuyer’ssoleandexclusiveremedies.ComtechEF
Datashallnotbeliableforanydirect,indirect,special,incidental,orconsequential
damages,whetherbasedoncontract,tort,oranyotherlegaltheory.
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