SOLiD 19P8OI90I REPEATER User Manual

SOLiD, Inc. REPEATER

User Manual

Confidential&Proprietary1/122 SC‐DASSC‐DASInstallationandOperationManualDocumentReference:Version:V3.0DocumentStatus:Release3IssueDate:January.06,2012Author:KyungEunHanDepartment:R&DDivisionTeam3AuthorizingManager: YoungshinYeo
Confidential&Proprietary2/122 SC‐DASREVISIONHISTORYVersionIssueDateNo.ofPagesInitialsDetailsofRevisionChangesV1.0April.11,2011 OriginalV2.0Dec.08,2011  AddSprintbandV3.0Jan.06,2012           TechnicalSupportSOLiDserialnumbersmustbeavailabletoauthorizetechnicalsupportand/ortoestablishareturnauthorizationfordefectiveunits.Theserialnumbersarelocatedonthebackoftheunit,aswellasontheboxinwhichtheyweredelivered.AdditionalsupportinformationmaybeobtainedbyaccessingtheSOLiDTehcnology,Inc.websiteatwww.st.co.krorsendemailatsjkim@st.co.krThismanualisproducedbyGlobalBusinessDivisionBusinessTeam1.PrintedinKorea.
Confidential&Proprietary3/122 SC‐DASContentsSection1 Safety&CertificationNotice ...................................................................... 14 Section2 SystemOverview ....................................................................................... 17 2.1 Generaloverview ............................................................................................ 18 2.2 Systemoverview............................................................................................. 20 Section3 SystemSpecifications ................................................................................ 23 3.1 Systemspecifications...................................................................................... 24 3.1.1 PhysicalSpecifications .............................................................................. 24 3.1.2 OpticalwavelengthandLaserpower......................................................... 27 3.1.3 Environmentalspecifications .................................................................... 27 3.1.4 AvailableFrequencyBands........................................................................ 27 3.1.5 BandSpecifications................................................................................... 28 Section4 SystemConfigurationandFunctions........................................................... 30 4.1 BIU(BTSInterfaceUnit) .................................................................................. 31 4.1.1 BIUSpecifications..................................................................................... 31 4.1.2 BIUblockdiagram..................................................................................... 32 4.1.3 BIUassemblies.......................................................................................... 33 4.1.4 SubAssemblyDescription ......................................................................... 34 4.1.5 BIUfront/rearpaneloverview................................................................... 39 4.2 ODU(OpticdistributionUnit) .......................................................................... 43 4.2.1 ODUspecifications.................................................................................... 43 4.2.2 ODUblockdiagram ................................................................................... 44 4.2.3 ODUassemblies ........................................................................................ 44 4.2.4 SubAssemblydescription ......................................................................... 46 4.2.5 ODUfront/rearpaneloverview ................................................................. 47 4.2.6 ODUInterfacewithBIU............................................................................. 48 4.3 OEU(OpticExpansionUnit)............................................................................. 51 4.3.1 SpecificationsofOEU................................................................................ 51 4.3.2 OEUblockdiagram ................................................................................... 52 4.3.3 OEUassemblies......................................................................................... 53 4.3.4 SubAssemblydescription ......................................................................... 54 4.3.5 OEUfront/rearpaneloverview.................................................................. 57 4.4 ROU(RemoteOpticUnit) ................................................................................ 58
Confidential&Proprietary4/122 SC‐DAS4.4.1 ROUspecifications.................................................................................... 60 4.4.2 ROUblockdiagram ................................................................................... 61 4.4.2.1 CombinationofMRU1900PCS+850C/ARU700LTE+AWS‐1........................... 61 4.4.2.2 CombinationofMRU1900PCS/ARU900I+800I ........................................... 62 4.4.3 ROUassemblies ........................................................................................ 63 4.4.3.1 CombinationofMRU1900PCS+850C/ARU700LTE+AWS‐1........................... 63 4.4.3.2 CombinationofMRU1900PCS/ARU900I+800I ........................................... 65 4.4.4 SubAssemblydescription ......................................................................... 68 4.4.5 BottomofROU ......................................................................................... 70 4.4.6 TopofROU ............................................................................................... 72 4.4.6.1 CombinationofMRU1900PCS+850C/ARU700LTE+AWS‐1............................ 72 4.4.6.2 CombinationofMRU1900PCS+850C/ARU700LTE+AWS‐1............................ 72 Section5 SystemInstallation&Operation ................................................................. 75 5.1 BIUInstallation ............................................................................................... 77 5.1.1 BIUShelfInstallation....................................................................................... 77 5.1.2 BIUPowerCabling .......................................................................................... 78 5.1.3 BIU/RFinterface.............................................................................................. 82 5.1.4 MDBUinstallation ........................................................................................... 87 5.1.5 ODUInterface ................................................................................................. 89 5.1.6 BIUpowerconsumption.................................................................................. 93 5.2 ODUInstallation.............................................................................................. 94 5.2.1 ODUShelfInstallation ..................................................................................... 94 5.2.2 ODUPowerCabling......................................................................................... 94 5.2.3 ODUOpticCabling .......................................................................................... 94 5.2.4 DOUinstallation.............................................................................................. 95 5.2.5 ODUPowerconsumption ................................................................................ 97 5.3 ROUInstallation.............................................................................................. 98 5.3.1 ROUEnclosureinstallation .............................................................................. 98 5.3.2 ROUPowerCabling....................................................................................... 106 5.3.3 OpticalCabling.............................................................................................. 108 5.3.4 GNDTerminalConnection ............................................................................. 109 5.3.5 CoaxialcableandAntennaConnection .......................................................... 109 5.3.6 LEDexplanationonROU ............................................................................... 110 5.3.7 ROUPowerconsumption .............................................................................. 110 5.3.8 CableconnectionbetweenMRUandARU.......................................................111 5.4 OEUInstallation ............................................................................................ 113
Confidential&Proprietary5/122 SC‐DAS5.4.1 OEUchassisinstallation................................................................................. 113 5.4.2 OEUPowerCabling ....................................................................................... 113 5.4.3 OEUOpticCabling......................................................................................... 115 5.4.4 DOUinstallationwithanOEU........................................................................ 116 5.4.5 OEUPowerConsumption .............................................................................. 117 Section6 Operation................................................................................................ 119 6.1 BIUOverview................................................................................................ 120 6.1.1 BIU ............................................................................................................... 120 6.1.2 BIUTXparameters ........................................................................................ 120 6.1.3 BIURXparameters........................................................................................ 128 6.1.4 BIULogicSequenceDiagram......................................................................... 129 6.1.5 InteractionwiththeBIU ................................................................................ 133 6.2 ROUOverview .............................................................................................. 135 6.2.1 ROUOperation.............................................................................................. 135 6.3 OEUOperation.............................................................................................. 144 6.3.1 OEUOperation.............................................................................................. 144 Section7 Additivefunctions.................................................................................... 150 7.1 Shutdownfunction(TXoutputshutdown) .................................................... 151 7.2 TotalPowerLimitfunction(TXOutputALC) .................................................. 152 7.3 AutomaticOutputpowersettingfunction(TXOutputAGC)........................... 152 7.4 InputpowerAGCfunction(TXInputAGC) ..................................................... 152 7.5 Inputpowerlimitfunction(TXInputALC) ..................................................... 153 7.6 Opticallosscompensation............................................................................. 154 
Confidential&Proprietary6/122 SC‐DASFiguresFigure2.1–BasicsystemtopologysupportingSISOconfiguration ..................... 20 Figure2.2–BasicsystemtopologysupportingMIMOconfiguration .................. 21 Figure2.3–ExpansionsystemtopologysupportingSISOconfiguration............. 22 Figure2.4–ExpansionsystemtopologysupportingMIMOconfiguration .......... 23 Figure4.1–BIUfrontandsideviews................................................................. 31 Figure4.2–BIUblockdiagram ......................................................................... 32 Figure4.3–BIUmountingdiagram................................................................... 33 Figure4.4–MDBUataglance.......................................................................... 35 Figure4.5–MCDUataglance .......................................................................... 36 Figure4.6–MCPUataglance .......................................................................... 37 Figure4.7–MPSUataglance .......................................................................... 39 Figure4.8–BIUfrontpanelview...................................................................... 39 Figure4.9–Rearpanelview............................................................................. 41 Figure4.10–ODUataglance ........................................................................... 43 Figure4.11–ODUblockdiagram....................................................................... 44 Figure4.12–ODUInternalView ....................................................................... 45 Figure4.13–DOUataglance ........................................................................ 46 Figure4.14–2WayDividerataglance............................................................... 47 Figure4.15–ODUfrontpanelview................................................................... 47 Figure4.16–ODURearpanelview ................................................................... 48 Figure4.17BIU/ODUinterface .......................................................................... 49
Confidential&Proprietary7/122 SC‐DASFigure4.18–BIU/ODUInterfacerearview ........................................................ 50 Figure4.19–BIU/ODUinterfacedetails............................................................. 50 Figure4.20–OEUataglance ........................................................................... 51 Figure4.21–OEUblockdiagram....................................................................... 52 Figure4.22–OEUinternalview ........................................................................ 53 Figure4.23–DOUataglance........................................................................... 54 Figure4.24–EWDMataglance........................................................................ 55 Figure4.25–ECPUataglance.......................................................................... 55 Figure4.26–ERFMataglance ......................................................................... 56 Figure4.27–EPSUataglance .......................................................................... 56 Figure4.28–OEUfrontpanelview................................................................... 57 Figure4.29–Rearpanelview........................................................................... 57 Figure4.30–ROUataglance........................................................................... 59 Figure4.31–ROUblockdiagramforMRU1900PCS+850CandARU700LTE+AWS‐1................................................................................................................ 61 Figure4.32–ROUblockdiagramforMRU1900PCSandARU900I+800I............ 62 Figure4.33–ROUinternalviewforMRU1900PCS+850CandARU700LTE+AWS‐1................................................................................................................ 64 Figure4.34–ROUinternalviewforMRU1900PCSandARU900I+800I.............. 66 Figure4.35–PSUataglance............................................................................ 69 Figure4.36–ROUBottomview ....................................................................... 70 Figure4.37–ROUPowerPortView.................................................................. 71 Figure4.38–ROUTopViewforMRU1900P+850CandARU700LTE+AWS‐1....... 72 Figure4.39–ROUTopViewforMRU1900P+850CandARU700LTE+AWS‐1....... 73
Confidential&Proprietary8/122 SC‐DASFigure5.1–RACKInstallation ........................................................................... 77 Figure5.2–Powerinterfacediagrm ................................................................. 79 Figure5.3–PSULEDindicatorinformation ....................................................... 81 Figure5.4–BIURFinterfacediagram ............................................................... 84 Figure5.5–BTS/BIUconnections..................................................................... 85 Figure5.6–BDAInterfaceusingCirculator ........................................................ 85 Figure5.7–BDAInterfaceusingDuplexer ......................................................... 86 Figure5.8–MDBULEDindicatorinformation .................................................... 89 Figure5.9–InterfaceportbetweenBIUandODU ............................................. 90 Figure5.10–CablinginterfacediagrambetweenBIUandODU .......................... 91 Figure5.11–SC/APCfibertermination ............................................................... 95 Figure5.12–ODUrearviewwithDOUsinserted ............................................... 95 Figure5.13–WallmountdimensionsfortheROU ............................................. 98 Figure5.14–ROUinstallationproceduresidebyside ........................................ 99 Figure5.15–ROUinstallationdiagramsidebyside.......................................... 100 Figure5.16–ROUinstallationprocedureforstackedmounting ....................... 101 Figure5.17–ROUinstallationdiagramforstackedmounting........................... 101 Figure5.18–ROUinstallationprocedureforverticalrack ................................ 102 Figure5.19–ROUinstallationdiagramforverticalrack ................................... 103 Figure5.20–ROUinstallationprocedureforhorizontalrack ........................... 104 Figure5.21–ROUinstallationdiagramforhorizontalrack ............................... 104 Figure5.22–ROUPowerPortview ................................................................ 106 Figure5.23–ROUopticalPortview ................................................................ 108 Figure5.24–ROUGNDPortview ................................................................... 109
Confidential&Proprietary9/122 SC‐DASFigure5.25–ROULEDindicatorinformation................................................... 110 Figure5.26–OEUPowerinterfacediagram .................................................... 114 Figure5.27–OpticalcablewithSC/ACPTypeConnectors.............................. 116 Figure5.28–OEUwithDOUsinserted ............................................................ 116 Figure6.1–SC‐DASLinkbudgetfortheBIU .................................................... 120 Figure6.2–MDBUinformationassignedattheBIU.......................................... 123 Figure6.3–MDBUmenuinformationattheBIU ............................................. 124 Figure6.4–MDBUnameassignmentattheBIU............................................... 127 Figure6.5–MDBUnameassignmentatthetree ............................................. 127 Figure6.6–MDBUModuleFailureinformationattheBIU ............................... 128 Figure6.7–ConfigurationofBIU‐ODU‐ROUforbasictopology........................ 130 Figure6.8–ConfigurationofBIU‐ODU‐ROUforexpansiontopology................ 131 Figure6.9–DOUassignmentattheBIU.......................................................... 133 Figure6.10–ODUMenuinformation............................................................... 134 Figure6.11–SC‐DASLinkbudgetforROU........................................................ 135 Figure6.12–OpticalinformationattheROU ................................................... 138 Figure6.13–ROUinformationassignment ...................................................... 140 Figure6.14–ROUMenuinformation............................................................... 141 Figure6.15–ROUSoftkeyinformation ............................................................ 143 Figure6.16–SC‐DASLinkBudgetforOEU ....................................................... 144 Figure6.17–OEUOpticalinformation ............................................................. 147 Figure7.1–Shutdownlogicdiagram................................................................ 151 Figure7.2–Opticallossinformation................................................................ 154 
Confidential&Proprietary10/122 SC‐DASSection1 Safety&CertificationNotice
Confidential&Proprietary11/122 SC‐DAS“Onlyqualifiedpersonnelareallowedtohandlethisunit.Readandobeyallthewarninglabelsattachedinthisusermanual”Anypersonnelinvolvedininstallation,operationorserviceoftheSOLiDTechnologyrepeatersmustunderstandandobeythefollowing:‐ Obeyallgeneralandregionalinstallationandsafetyregulationsrelatingtoworkonhighvoltageinstallations,aswellasregulationscoveringcorrectuseoftoolsandpersonalprotectiveequipment.‐ Thepowersupplyunitinrepeaterscontainsdangerousvoltagelevelswhichcancauseelectricshock.Switchthemainsoffpriortoanyworkinsucharepeater.Anylocalregulationsaretobefollowedwhenservicingrepeaters.‐ Therepeatercover(door)shouldbesecurelyfastenedinopenposition(withacord),duringoutdoorworkinordertopreventdoorfromslammingduetowind(whichcouldcausebodilyharmordamage).‐Usethisunitonlyforthepurposespecifiedbythemanufacturer.Donotcarryoutanymodificationsorreplaceanypartswhicharenotsoldorrecommendedbythemanufacturer.Thiscouldcausefire,electricshockorotherinjuries.‐ Repeatersgenerateradiosignalsandtherebygiverisetoelectromagneticfieldsthatmaybehazardoustoanypersonintheimmediateproximityoftherepeaterandtherepeaterantennasforanextendedperiodoftime.‐Duetopowerdissipation,thisrepeatermayreachaveryhightemperature.Donotoperatethisunitonorclosetoflammablematerials.‐Donotuseanysolvents,chemicals,orcleaningsolutionscontainingalcohol,ammonia,orabrasives.‐Certificationz FCC:ThisequipmentcomplieswiththeapplicablesectionsofTitle47CFRParts15,22,24and90z UL/CUL:ThisequipmentcomplieswithULandCUL1950‐1Standardforsafetyforinformationtechnologyequipment,includingelectricalbusinessequipmentz FDA/CDRH:ThisequipmentusesaClass1LASERaccordingtoFDA/CDRHRules.Thisproductconformstoallapplicablestandardsof21CFRChapter1,SubchaperJ,Part1040‐ForPLUGGABLEEQUIPMENT,thesocket‐outletshallbeinstalledneartheequipmentandshallbeeasilyaccessible.
Confidential&Proprietary12/122 SC‐DASSection2 SystemOverview2.1Generaloverview2.2Systemoverview
Confidential&Proprietary13/122 SC‐DAS2.1 GeneraloverviewSC‐DASplatformisacoveragesystemforin‐buildingservicesdeliveringseamless,highqualityvoiceanddataAsadistributedantennasystem,itprovidesanaloganddigitalphoneservicesinmultiplebandsthroughoneantenna.Thesystemcoverspublicandprivatevenuessuchas:z Shoppingmallsz Hotelsz Campusareasz Airportsz Clinicsz Subwaysz Multi‐usestadiums,conventioncenters,etc.Thesystemenhancesin‐buildingradioenvironmentsthatlacksignalqualitybyimprovingtheRSSIandEc/Io.Byprovidingcommunicationservicesthroughoutthebuilding,thesystemenablesuserstomakeacallsanywhereinthecoveragearea.Thesystemusesbothanalog(AMPS)anddigital(TDMA,CDMAandWCDMA)methods.TheSC‐DASsystemsupportscommunicationstandardsandpublicinterfaceprotocolsinworldwideuse.z Frequencies:VHF,UHF,700MHz,800MHz,850MHz900MHz,1900MHz,2100MHz,etc.z Voiceprotocols:AMPS,TDMA,CDMA,GSM,IDEN,etc.z Dataprotocols:EDGE,GPRS,WCDMA,CDMA2000,Paging,LTE,etc.SC‐DAScomprisesfrequencyspecificmodules.Coverageforaspecificfrequencybandisaccomplishedbyinsertingacorrespondingfrequencymoduleintoeachunit.Becauseitdeliversmultiplesignalswithonestrandofsinglemodefiber,thesystem,requiresnoadditionalhardwaremodificationswheneveranewfrequencyisadded.Thesystemisfeaturedwiththefollowing:z Flexibiltiy&Scalabiltiy Supportsfiber‐opticportsupto32or60(usingOEU) Connectsmultiple‐buildings(campus)asoneDASz Modularstructures Modularfrequencyupgrade Plug‐intypemodulesz Multi‐Band,Singleoperator SupportsmultipleservicesfromoneWSP
Confidential&Proprietary14/122 SC‐DAS Supportmulti‐operatorinaband(Max.2operator)z LowOPEX/CAPEX Compactdesign Upgradabledesign Easyinstallationandmaintenance AdoptsautoIDschemeTheSC‐DASplatformwillservetwoprimarysegments;firstasacarrierdeployedcoverageenhancementproductfortheirspecificfrequenciesandsecondasalowcost,publicsafety/singlecarrierproduct.
Confidential&Proprietary15/122 SC‐DAS2.2 SystemoverviewSC‐DAScomprisesthecomponentslistedbelow.ThebasesystemconsistsofaBIU(BTSInterfcaceUnit),anODU(OpticdistributionUnit)andaROU(RemoteOpticUnit).ForusewithmultipleROU’s,ithasOEU(OpticExpansionUnit).TheBIUhastwolayerwhichsupportbothSISOandMIMOconfigurationusingseparateopticalfibercable.Fig2.1showsbasicsystemtopologyforSISOFigure2.1–BasicsystemtopologysupportingSISOconfiguration
Confidential&Proprietary16/122 SC‐DASFigure2.2–BasicsystemtopologysupportingMIMOconfigurationAsshownatFig.’s2.1and2.2,onestrandoffiberisneededforSISOconfigurationbuttwostrandsareneededforMIMOcofigurationwhenconnectedwithanROU.Applicationsrequiringupto32ROU’sforSISOarepossiblewithoneBIU.EachSISOROUwillrequireanadditionalstrandoffiberandanadditional32ROU’scanbeaddedtothesamesystemforMIMOapplications.MIMOrequires2strandsoffiberperROUaswellasMIMOspecificODU’s.
Confidential&Proprietary17/122 SC‐DASToreducenumberofopticalcablesbetweenmulti‐buildingapplications,wecanutilizetheOEU(OpticalExpansionUnit)Fig2.3showsexpansionsystemtopologysupportingSISOconfigurationusingOEUsFigure2.3–ExpansionsystemtopologysupportingSISOconfigurationFigure2.4–ExpansionsystemtopologysupportingMIMOconfiguration
Confidential&Proprietary18/122 SC‐DASFig2.4showsexpansionsystemtopologysupportingMIMOconfigurationusingOEUSection3 SystemSpecifications3.1Systemspecifications3.1.1PhysicalSpecifications3.1.2OpticwavelengthandLaserpower3.1.3Environmentalspecifications3.1.4Availablefrequencybands3.1.5BandSpecifications
Confidential&Proprietary19/122 SC‐DAS3.1 Systemspecifications3.1.1 PhysicalSpecificationsParameterBIUODUOEUMRUARURFConnectors4SMApairs(TX,RX)perMDBU2SMA‐1N‐type2SMA:optical2SMA:RF2SMA:optical2SMA:RFExternalAlarmconnector(Drycontacts)TB:4pcsforoutputTB:3pcsforinput‐ ‐ ‐ ‐SerialInterfaceconnector1USB(B)type  1USB(B)type1USB(B)type1USB(B)typeFiberconnector‐ 8pcs,SC/APCforROU1SC/APCforODU8SC/APCforROU1SC/APCforODU‐LEDAlarmandStatusIndicatorMDBUStatusz Powerstatusz ALMstatusMCPUz Powerstatusz TXCommz RXCommz ALMstatusMPSUz Powerstatusz DCALMstatusDOU1Statusz LDstatusz PD1/2/3/4statusDOU2Statusz LDstatusz PD1/2/3/4statusEWDMStatusz LDstatusz PDstatusDOU1Statusz LDstatusz PD1/2/3/4statusDOU2Statusz LDstatusz PD1/2/3/4statusSystemstatusz Powerstatusz TX1Commz RX1Commz TX2Commz RX2Commz ALMstatusSystemstatusz Powerstatusz TXCommz RXCommz ALMstatusz OptstatusSystemstatusz Powerstatusz TXCommz RXCommz ALMstatusACPower‐ ‐ NormalRange:120VAC50/60HzOperatingrange108~132VAC,50/60HzSametoleftsideDCPowerNormalrange:‐48VDCOperatingrange:‐40.8~‐57.6VDCBeprovidedbyBIUNormal:‐48VDCOperatingrange:‐40.8~‐57.6VDCSametoleftsidePowerconsumptionSISOMode:162W(IncludingSISOODU4EA)MIMOMode:315W(IncludingSISOODU4EA+MIMOODU4EA)28W(IncludingDOU2EA)40W(IncludingDOU2EA)MRU1900P+850C:50WMRU1900P:45WARU700LTE+AWS:40WARU900I+800I:44WEnclosureDimensions482.6(19”)x221.5(5U)x450482.6(19”)x43.6(1U)x450482.6(19”)x88.1(2U)x450300x200x258300x200x258Weight[FullLoad]26.2Kg6Kg9.6Kg6.6Kg6.8Kg
Confidential&Proprietary20/122 SC‐DAS3.1.2 OpticalwavelengthandLaserpowerParameterODUOEUROUOpticalWavelengthTX:1310nmRX:1550nmWestopticTX:1550nm,RX:1310nmEastopticTX:1310nm,RX:1550nmTX:1550nmRX:1310nmOutputpower1.5dBm±1dBmtoROU,OEU1dBm±1dBmtoROU7dBm±1dBmtoODU7dBm±1dBmtoODUReturnloss<45dB<45dB<45dB3.1.3 EnvironmentalspecificationsParameterBIU,ODU,OEUROU/AOROperatingTemperature‐10to+50°C‐10to+50°COperatingHumidity,noncondensing‐ 5%to90%3.1.4 AvailableFrequencyBandsFrequencyrangeStandard UnitnamingDescriptionTX(MHz)RX(MHz)StatusiDEN700PSPublicsafety763to775793to805InfutureiDEN800PSPublicsafety851to869806to824CompletedCellular850CCellular869to894824to849CompletediDEN900ISMR935to940896to901CompletedPaging900PAPaging929to930896to902InfuturePCS1900PPCS1930to19951850to1915CompletedAWS‐1AWS‐1AWS‐12110to21551710to1755CompletedVHFVHFPublicsafety136to174136to174InfutureUHFPublicsafety(Band1)396to450450to512396to450450to512InfutureE‐UHFUHFPublicsafety(Band2)380to434434to496380to434434to496InfutureLTE700LTELongTermEvolution728to756698to716777to787Completed
Confidential&Proprietary21/122 SC‐DAS3.1.5 BandSpecificationsSC‐DASplatformallowsmanybandcombinationsaswellasdifferentoutputpowerlevelswithinthebanddependingonthecombination.1)OutputpowerlevelBelowtableshowsOutputpowerlevelasafunctionofbandcombinationBandCombinationsMRUARU700PS700LTE800PS/I850C900I1900PAWSVHFUHF1900P+850C700LTE+AWS‐ 24dBm‐24dBm‐ 28dBm28dBm1900P+AWS‐ ‐ ‐ ‐‐‐30dBm30dBm1900P900I+800I‐ ‐ 26dBm‐26dBm31dBm‐1900P‐‐‐‐‐‐30dBm‐1900P+850C700PS+800PS21dBm‐ 21dBm21dBm‐ 30dBm‐700PS+800PS900I+800I21dBm‐ 21dBm21dBm‐ ‐24dBm24dBm2)GeneralSpecificationsParameterSpecificationsRemarkTX25dB/step1dBROUGainControlrangeRX20dB/step1dBBIUTXinputpower‐20dBm~+10dBmSpuriousEmission<‐13dBmOpticalLinkAGC>10dBVSWR1.8:1Pass‐bandRipple4dBp‐pMaxopticalLoss5dBoOpticalwavelength1310nm/1550nmwithWDMRXoutputpower0dBmRXinputpower‐50dBmMaxNoiseFigure<8dBExcluding700PS,800PSOn the loadmap
Confidential&Proprietary22/122 SC‐DASSection4 SystemConfigurationandFunctions4.1BIU(BTSInterfaceUnit)4.2ODU(OpticdistributionUnit)4.3OEU(OpticExpansionUnit4.4ROU(RemoteOpticUnit)
Confidential&Proprietary23/122 SC‐DAS4.1 BIU(BTSInterfaceUnit)TheBIUreceivessignalsfromtheBTSorBDAthroughcoaxialcableandtransmitstofourODUs(OpticDistributionUnit).andTheBIUseparatesRXsignalsreceivedfromODUsaccordingtotheirfrequencyband.Figure4.1–BIUfrontandsideviews4.1.1 BIUSpecificationsItemSpec.RemarkSize482.6(19”)x221.5(5U)x450mmWeight26KgPowerconsumptionSISOMode:168W(IncludingSISOODU4EA)MIMOMode:315W(IncludingSISOODU4EA+MIMOODU4EA)FullLoad
Confidential&Proprietary24/122 SC‐DAS4.1.2 BIUblockdiagramFigure4.2–BIUblockdiagram4.1.3 BIUassembliesMDBU #2MDBU #1 MDBU #3 MDBU #4SISO Side MIMO SideMCDU’s MPSUFigure4.3–BIUmountingdiagram
Confidential&Proprietary25/122 SC‐DASNo.UnitDescriptionRemark1MDBUMainDriveBTSUnitAmplify&adjustdownlinkRFsignalAmplify&adjustuplinkRFsignalMax4EA2MCDUMainCom/DivUnitCombine3EAdownlinksignalanddivide4EAsignaltoODUCombine4EAuplinksignalanddivide3EAsignaltoMDBUSupportVHF/UHFinterfaceport3MCPUMainCentralProcessorUnitControlandmonitoringsystemstatusControlandmonitoringwithUSB(B)Allowsaccesstoupper‐levelnetworkthroughGSMorEthernet4MPSUMainPowerSupplyUnitInputpower:DC‐48V,Outputpower:9V,6V5M/BMotherBoardProvidesignalinterfaceandpowerforeachunitProvidefourportsfordrycontactoutputProvidethreeportsforinputProvidetwoAuxportsforfutureusage6Shelf19inch,5U4.1.4 SubAssemblyDescription1)MainDriveBTSUnit(MDBU)MDBUdeliversTXsignalsfromtheBTSorBDAtorelateddevicesaswellasdeliversRXsignalsfromthesedevicestotheBTSorBDA.ThisunitalsomonitorsTXinputlevel.UsingtheinputAGCfunction,itautomaticallyadjustsinputATTaccordingtoinputpower.ItalsohasanATTtoadjustRXgain.TheMDBUvariesperfrequencybandtoincludingthefollowing:
Confidential&Proprietary26/122 SC‐DASIn/outRFPortNoUnitnamingDescriptionTXRX11900P+850CDualBand4Port4Port2700LTE+AWS‐1DualBand4Port4Port31900PSingleBand2Port2Port4900I+800IDualBand4Port4Port51900P+AWS‐1DualBand4Port4Port6700PS+800PSDualBand4Port4Port7900IDualBand2Port2PortFigure4.4–MDBUataglance2)MainCom/DivUnit(MCDU)MCDUcombinesTXsignalsthataredeliveredfromMDBUperfrequencybandanddeliversthemtofourODUs.ItalsocombinesRXsignalsfromuptofourODUsandsendsthemtouptofourMDBUs.TheunithasaporttointerfacewithVHF&UHFsignals.IthasanATTforinputmonitoringandinputcontrol.TheunithasareservedportforfutureusagesuchasLMUinterface,additiveMDBUinterface,etc,On the loadmap
Confidential&Proprietary27/122 SC‐DASFigure4.5–MCDUataglanceVHF+UHFfrequencybandincludesthefollowing:foruseinfutureIn/outRFPortNoUnitnamingDescriptionTXRX1VHF+UHFDualBand1Port1Port3)MainCentralProcessorUnit(MCPU)MCPUcaninquireandcontrolthestateofthemodulesthatareinstalledintheBIU.ThisunitcaninquireandcontrolthestateofuptofourODUs.Throughcommunication,italsocaninquireandcontrolROUsthatareconnected.Inaddition,theunithasUSB(B)portforlocalmonitoringsothatitcaninquireandcontrolstateofdevicesthroughaPC.Onthefrontpanel,ithascommunicationLEDindicatorstocheckcommunicationstatewithROU.ItalsohasALMLEDindicatorstoshowwhetheradeviceisfaulty.Foraccesstouppernetwork,ithasaporttoinsertanEthernetportandGSMmodeminit.
Confidential&Proprietary28/122 SC‐DAS Figure4.6–MCPUataglanceIntheMainCentralProcessorUnit,alithiumbatteryisinstalledforRTC(RealTimeControl)function.CAUTIONRISKOFEXPLOSIONMAYOCCURIFBATTERYISREPLACEDBYANINCORRECTTYPEDIPOSEOFUSEDBATTERIESACCORDINGTOTHEINSTRUCTIONS[INSTRUCTION]Theequipmentandaccessoriesincludinginnerlithiumbatteryaretobedisposedofsafelyafterthelifespanofthemaccordingtothenationalregulation.Donotattempttoreplacethelithiumbatteryunlessauthorizedbyaqualifiedservicepersonnel,toavoidanyriskofexplosion.
Confidential&Proprietary29/122 SC‐DAS4)MainPowerSupplyUnit(MPSU)TheMPSUtakesa‐48Vinputandoutputs+6Vand+9VDCpower.Onthefrontpanel,thisunithasanoutputtestportanditalsohasDCALMLEDIndicatortoshowfaultyoutput.Figure4.7–MPSUataglance4.1.5 BIUfront/rearpaneloverview1)Frontpanel
Confidential&Proprietary30/122 SC‐DASFigure4.8–BIUfrontpanelviewItemDescription1.AlarmLED&ResetCommunicationstatewithdevices,alarmstatusofthesystemandresetswitch2.DEBUG(USBB)USBportforcommunicationanddiagnosisofdevicesthroughPC/laptopThisequipmentisforindooruseonlyandallthecommunicationwiringsarelimitedtoindooruseaswell.3.NMS(Ethernetport)EthernetportforuppernetworkThesupportingnetworkmodeisUDPprotocol4.MDBULEDLEDtoshowwhetherMDBUisinstalledandisoperatingproperly5.RFMonitorPort20dBCouplingcomparedwithTXInputLevel20dBCouplingcomparedwithRXOutputLevel6.PwrTestPort&ALMOutputDCpowertestportandALMLEDtoshowabnormalstate,ifany7.PowerswitchPowerON/OFFswitch
Confidential&Proprietary31/122 SC‐DAS2)RearpanelFigure4.9–RearpanelviewItemDescription1.DCInputPortInputterminalforDC‐48V2.ExternalALMPortInput/outputterminalfordrycontact3.GNDPortSystemgroundterminal4.AUXI/OPortReservedPortforfutureuses5.MIMOODUI/OPortRFsignalinterfaceterminalforODU6.MIMOODUsignalPortPowerandsignalinterfaceterminalforODU7.MIMOBTS/BDAI/OPortInput/outputinterfaceterminalofBTS/BDA8.V/UHFI/OPortRFsignalinterfaceterminalofVHF&UHF9.SISOODUI/OPortRFsignalinterfaceterminalforODU10.SISOODUsignalPortPowerandsignalinterfaceterminalforODU11.SISOBTS/BDAI/OPortInput/outputinterfaceterminalofBTS/BDA1 5 8 9 6 10SISO SIDE MIMO SIDE3 4 7 11 2
Confidential&Proprietary32/122 SC‐DAS4.2 ODU(OpticdistributionUnit)ODUreceivesTXRFsignalsfromupperBIUandconvertsthemintoopticalsignals.TheopticalsignalsaresenttoROUthroughopticalcables.ThisunitconvertsopticalsignalsfromROUintoRFsignalsandsendstheconvertedsignalstoBIU.ForeachshelfoftheODU,uptotwoDOUs(DonorOpticUnit)canbeinstalledinit.OneDOUissupportedwithfouropticalports.Therefore,oneODUcanbeconnectedwitheightROUs.UptofourODUscanbeconnectedwithBIUeachSISOandMIMOpathFigure4.10–ODUataglance4.2.1 ODUspecificationsItemSpec.RemarkSize482.6(19”)x43.6(1U)x450mmWeight6kgPowerconsumption27WFullLoad
Confidential&Proprietary33/122 SC‐DAS4.2.2 ODUblockdiagramFigure4.11–ODUblockdiagram4.2.3 ODUassembliesFigure4.12–ODUInternalView
Confidential&Proprietary34/122 SC‐DASNo.UnitDescriptionRemark1DOUDonorOpticUnitConvertsTXRFsignalsintoopticalsignals;ConvertsRXopticalsignalsintoRFsignals;ProvidesuptofouropticalportsperDOUMax2ea.22W2WayDividerDividesTXRFsignalsintotwo;CombinestwoRXRFsignalsintoone3DUDistributionUnitDistributespowerandsignalstoDOU4Shelf19”rack,1RU 5Accessories25PINDSUB,Maletofemale1pcsRFCoaxialCableAssembly2pcs4.2.4 SubAssemblydescription1)DonorOpticUnit(DOU)TheDOUperformstheRFtoopticalconversionofTXsignalsaswellastheopticaltoRFconversionofRXsignals.Usinganopticalsplitter,thisunitdividesopticalsignalsfromaLaserDiodeintofourandthendistributesthemtoeachopticalport.WithatotaloffourPhotoDiodesinRX,theDOUperformstheopticaltoRFconversionofsignalsreceivedfromeachopticalport.Inaddition,theunitisequippedwithanATTtocompensateforopticallossinthefiberorfiberconnectors.SinceisusesaWDM,itusesonlyonestrandoffiberforeachROUitconnectsto.WithinternalFSKmodem,itwillallowoperationfromaremotesite.
Confidential&Proprietary35/122 SC‐DASFigure4.13–DOUataglance2)2WayDivider(2W)The2waydividerisequippedwithtwo2‐waysplittersinasinglehousingandthesplittersworkforTX/RXsignals,respectively.Designedinbroadbandtype,thedividercombinesandsplitssignalsfrom/totheBIUFigure4.14–2WayDividerataglance4.2.5 ODUfront/rearpaneloverview1)FrontpanelFigure4.15–ODUfrontpanelview
Confidential&Proprietary36/122 SC‐DASItemDescription1,2LEDindicatortocheckforfaultyDOUmodule.2)RearpanelFigure4.16–ODURearpanelviewItemDescription1.OpticPortSC/APCopticalconnectorterminal;useoneopticalcableperROU.2.DCI/OPortTerminalforpowerandstatevalues3.RXRFPortRXRFsignalinterfaceterminal4.TXRFPortTXRFsignalinterfaceterminal
Confidential&Proprietary37/122 SC‐DAS4.2.6 ODUInterfacewithBIU SISOConfigurationMIMOConfigurationFigure4.17BIU/ODUinterfaceForSISOconfiguration,uptofourODUscanbestacked.abovethetopoftheBIU.ForMIMOconfiguaration,uptoeightODUscanbestackedabove/belowtheBIU.Inthiscase,itisrecommendedtoleavea1RUspacebetweenBIUandtheODUsotherwiseheatfromBIUmaydegradetheperformanceoftheODUs,Figure4.18–BIU/ODUInterfacerearview
Confidential&Proprietary38/122 SC‐DASAsshowninthefigurebelow,connectonecoaxialcableforTXandanothercoaxialcableforRXwithcorrespondingportsattherearofBIU.Forpowersupplyandcommunication,connect25PinD‐SubConnectorcabletothecorrespondingport.Figure4.19–BIU/ODUinterfacedetails
Confidential&Proprietary39/122 SC‐DAS4.3 OEU(OpticExpansionUnit)OEUismainlyusedtoremotelydeliversignalsforCampusclusters.Attheupperpart,thisunitcombineswithODUandreceivesTXopticalsignalstoconvertthemintoRFsignals.Then,itregeneratesthesignalstosecureSNRandconvertsthemintoopticalsignals.ThesignalsaresenttoROUthroughopticalcables.WhenitreceivesRXopticalsignalsfromROU,theunitconvertsthemintoRFsignalstoregeneratethesignalsandthenconvertsthemintoopticalsignalstosendthemtoODU.InOEU,oneshelfcanbeequippedwithuptotwoDOUs.TheDOUisthesameasthemoduleusedforODU.UptofourOEUscanbeconnectedwithODU.Figure4.20–OEUataglance4.3.1 SpecificationsofOEUItemSpec.RemarkSize482.6(19”)x88.1(2RU)x450mmWeight9.5kgPowerconsumption40WFullLoad
Confidential&Proprietary40/122 SC‐DAS4.3.2 OEUblockdiagramFigure4.21–OEUblockdiagram4.3.3 OEUassembliesFigure4.22–OEUinternalview
Confidential&Proprietary41/122 SC‐DASNo.UnitDescriptionRemark1DOUDonorOpticUnitConvertTXRFsignalsintoopticalsignals;ConvertRXopticalsignalsintoRFsignals;ProvideuptofouropticalportsperDOUMax2ea.2EWDMExpansionWavelengthDivisionMultiplexerConvertTXopticalsignalsintoRFsignals;ConvertRXRFsignalsintoopticalsignals;CompensatesforopticalcablelosswithODU3ECPUExpansionCentralProcessorUnitControlandmonitoringsystemstatusControlandmonitoringwithRS232RelaysstatevaluesofROUtoBIU4EPSUExpansionPowerSupplyUnitInputpower:DC‐48V,Outputpower:9V,6V5ERFMExpansionRadioFrequencyModuleRegenerateTXsignalsandtransmitFSKmodemsignals;RegenerateRXsignalsandreceiveFSKmodemsignals6Shelf19”rack,2RU 4.3.4 SubAssemblydescription1)DonorOpticUnit(DOU)TheDOUisthesameasthemoduleusedfortheODU.Figure4.23–DOUataglance
Confidential&Proprietary42/122 SC‐DAS2)ExpansionWavelengthDivisionMultiplexer(EWDM)EWDMmodulehandlestheopticaltoRFconversionofTXsignalsaswellastheRFtoopticalconversionofRXsignals.ThismultiplexercommunicateswiththeBIUusingthebuiltinFSKmodem.ItalsohasanATTtocompensateforopticalcablelossbetweenODUs.Finally,ithasinternalWDMsoitneedsonlyoneopticalcabletoworkwithanROU.Figure4.24–EWDMataglance3)ExpansionCentralProcessorUnit(ECPU)ECPUcanqueryandcontrolthestateofmodulesinstalledintotheOEU.ThisunitsimultaneoulsycommunicateswiththeBIUandtheROUaswellasactingascommunicationbridgebetweenBIUandROU.Inaddition,theunithasaUSBportforlocalcommunicationwhichenablesqueryandcontrolofdevicesthorughaPC.Atthefrontpanel,communicationLEDindicatorindicatescommunicationwithupperBIUandlowerROU.ItalsohasanALMLEDindicatortoshowfault.Figure4.25–ECPUataglance4)ExpansionRadioFrequencyModule(ERFM)ERFMrepairsSignaltoNoisedegradedbyopticalmodules.
Confidential&Proprietary43/122 SC‐DASFigure4.26–ERFMataglance5)ExpansionPowerSupplyUnit(EPSU)AsDC/DCConverter,theEPSUreceives‐48VDCinputandprovides+9Vand+6VofDCpowerrequiredforOEU.Figure4.27–EPSUataglance
Confidential&Proprietary44/122 SC‐DAS4.3.5 OEUfront/rearpaneloverview1) FrontpanelFigure4.28–OEUfrontpanelviewItemDescription1.EWDMLEDLEDindicatortocheckEWDMstatetoseeifitisabnormal2.DOULEDLEDindicatortocheckDOUmodulestatetoseeifitisabnormal3.SystemLEDandResetCommunicationstatewithdevices,alarmstatusofthesystemandresetswitch4.NMS(USBPort)USBportforcommunicationanddiagnosisofdevicesthroughPC/laptop.Thisequipmentisforindooruseonlyandallthecommunicationwiringsarelimitedtoindooruseaswell.2)RearpanelFigure4.29–RearpanelviewItemDescription1.GNDPortTerminalforsystemground2.DCInputPortInputterminalforDC‐48V3.powerswitchPowerON/OFFswitch4.To/FromODUOpticPortSC/APCopticalconnectorterminal5.To/FromROUOpticPortSC/APCopticalconnectorterminal;useoneopticalcableperROU.
Confidential&Proprietary45/122 SC‐DAS4.4 ROU(RemoteOpticUnit)TheROUconsistsoftwounits:theMRU(MainRemoteUnit)andtheARU(AddonRemoteUnit).TheROUisconsideredthecombinationofMRUandARU.TheMRUreceivesTXopticalsignalsfromtheODUortheOEUandconvertsthemintoRFsignals.TheconvertedRFsignalsareamplifiedthroughaHighPowerAmpinacorrespondingRU,combinedwiththeMultiplexerandtransmittedouttheantennaport.TheROUreceivesRXsignalsthroughtheantennaport,filtersout‐of‐bandsignalsinacorrespondingRUandsendstheresultstoRemoteOpticModuletomakeRFtoopticalconversionofthem.Afterconverted,thesignalsaresenttoaupperdevice(theODUorOEU).TheMRUandARUhaveamaximumof2bands.ThemaindifferencebetweenanMRUanARUisthepresenceofanopticalmodule. (a)MRU(b)ARUFigure4.30–ROUataglance
Confidential&Proprietary46/122 SC‐DAS4.4.1 ROUspecificationsItemBandcombinationSize(WxHxD)WeightPowerconsumptionRemarkMRU1900P+850C6.6kg50WBandCombination1ARU700LTE+AWS‐16.8kg40WMRU1900P6.5kg45WBandCombination2ARU900I+800I6.7kg44WTobedevelopedBandCombination3Tobedeveloped200x300x140mmFullload
Confidential&Proprietary47/122 SC‐DAS4.4.2 ROUblockdiagram4.4.2.1 CombinationofMRU1900PCS+850C/ARU700LTE+AWS‐1RCUCavity FilterUSB(B type)AC 120VOrDC -48VPower/Control/StatusMRFMANT(N-Female)EX_PORTEX_PORTRXDResetON TXDALM OptLOW HIGH From/To ODULDFSK TXSC/APCV/UHF RXARU TXWDMPD ARU RXV/UHF TXPower/Control/StatusEX_PORTLOW HIGH MRU TXMRU RXUSB(B type)FSK RXRCUCavity FilterARFMMRU 1900PCS+850C ARU 700LTE+AWS-1RXDResetON TXDALM OptAC/DCOrDC/DCAC/DCOrDC/DCAC 120VOrDC -48VFigure4.31–ROUblockdiagramforMRU1900PCS+850CandARU700LTE+AWS‐14.4.2.2 CombinationofMRU1900PCS/ARU900I+800IRCU1900P Cavity FilterUSB(B type)Power/Control/StatusMRFMANT(N-Female)EX_PORTEX_PORTRXDResetON TXDALM OptLOW From/To ODULDFSK TXSC/APCV/UHF TXARU TXWDMAC/DCOrDC/DCPDARU RXV/UHF RXPower/Control/StatusEX_PORTLOW MRU TXMRU RXUSB(B type)FSK RXRCU800I/900ICavity FilterARFM1900P MRU 800I+900I ARUAC/DCOrDC/DCRXDResetON TXDALM OptOPT SIUAC 120VOrDC -48VAC 120VOrDC -48VFigure4.32–ROUblockdiagramforMRU1900PCSandARU900I+800I
Confidential&Proprietary48/122 SC‐DAS4.4.3 ROUassemblies4.4.3.1 CombinationofMRU1900PCS+850C/ARU700LTE+AWS‐1(a)MRU1900PCS+850C(b)ARU700LTE+AWS‐1Figure4.33–ROUinternalviewforMRU1900PCS+850CandARU700LTE+AWS‐1
Confidential&Proprietary49/122 SC‐DAS4.4.3.2 CombinationofMRU1900PCS/ARU900I+800IBPFMRFMRPSURCPUR-OPTICOPTIC Port(a)MRU1900PCSBPFARFMRPSURCPU(b)ARU900I+800IFigure4.34–ROUinternalviewforMRU1900PCSandARU900I+800I
Confidential&Proprietary50/122 SC‐DASNo.UnitDescriptionRemark1MRFM/ARFM+BPFMain/AddonRFModuleFilterandheavyamplificationofTXsignals;FilterandamplifyRXsignals;RemoveothersignalsthroughBPF2RPSURemotePowerSupplyUnitInputpower:DC‐48VorAC120V,Outputpower:25VFor120VinputofAC/DC;For‐48VinputofDC/DC3R‐OPTRemoteOpticMakeRFconversionofTXopticalsignals;ConvertRXRFsignalsintoopticalsignals;CompensatesopticallossintervalCommunicateswithBIUorOEUthoughtheFSKmodem4RCPURemoteCentralProcessorUnitControlssignalofeachunitMonitorsBIU/ODU/OEUstatusthroughFSKmodemcommunication5EnclosureEnableWallMount;Checkifthesystemisnormal,throughthebottompanelLED
Confidential&Proprietary51/122 SC‐DAS4.4.4 SubAssemblydescription1)MainRFModule/AddonRFModule(MRFM/ARFM)+BPFWhenreceivingTXsignalsfromeachbandthroughR‐Opt,MRFM/AFRMfiltersthesignalsandamplifiesthemwiththeHighPowerAmpifier.TheunitalsofiltersRXsignalsreceivedthroughtheantennaportandamplifiesthemaslownoisetosendthesignalstoR‐Opt.Intheunit,thereisanATTtoadjustgain.Thisdevicevariesforeachfrequencyband,includingthefollowing:BPFNoCombinationUnitnamingDescriptionCavityFilterCeramicFilterMRU1900P+850CMRFM1900P+850C Dual.1900PCS850C1ARU700LTE+AWS‐1ARFM700LTE+AWS‐1Dual.700LTEAWS‐1MRU1900PMRFM1900PSingle1900PCS‐2ARU900I+800IARFM900I+800IDual900IEN/800IDEN‐3Tobedeveloped‐ ‐ ‐ ‐2)RemotePowerSupplyUnit(RPSU)RPSUaccepts‐48VDCinput.Thisunitisconfigured2ways:theDC/DCtypeoutputs+25VofDCpowerandAC/DCtypetakes120VACinputandoutputs+25VofDCpower.Pleasespecifywhichtypewhenordering.MSConnector,whichusesportstoreceiveinputs,isdesignedforeitherACandDCinputconfiguration.Theinputcableisdifferentdependingoninputvoltageconditions.TheRPSUdoesn’thaveaswitchtoturnthepowerON/OFF.Unitisactivewhenpowerisconnected.Here,youshouldcheckforrangeofinputpowerasfollows:No.UnitRangeofinputpowerRemark1AC/DC90to264VAC2DC/DC‐42Vto‐56VDC(a)AC/DC(b)DC/DC
Confidential&Proprietary52/122 SC‐DASFigure4.35–PSUataglance3)RemoteOptic(R‐OPT)TheRemoteOpticperformstheopticaltoRFsignalconversionaswellastheRFtoopticalconversion.WithanFSKmodeminit,theunitcommunicateswiththeotherdevices.ItalsohasaninternalATTtocompensateforopticalcableloss.TheopticalwavelengthforTXpathis1310nmand1550nmfortheRXpath.ItistransportedbyafiberstrandusingWDM(WavelengthDivisionMultiplexing)technique4)RemoteCentralProcessorUnit(RCPU)TheRCPUcanmonitorandcontroltheRU.ThisunitreceivesandanalyzesuppercommunicationdatafromRemoteOpticandreportstheunit'sownvaluetotheupperdevices.Atthebottomofthemodule,ithasanLEDindicatortoshowsystemstatus,lettingyoucheckanyfaultconditions.ThesamepanelalsohascommunicationLEDIndicatorstoshowcommunicationstatuswithupperdevices.ThroughtheUSBPort,theunitenablesyoutocheckandcontroldevicestatusthroughaPCorlaptop.Thisequipmentisforindooruseonlyandallthecommunicationwiringsarelimitedtoindooruseaswell.TheRCPUoftheMRUhavetwoportstoconnectexteranldevices(theARUandtheVHF&UHFARU).Usinganexternalinterfacecable,theMRUcancommunicatewiththeARU/VHF&UHFARU.TheMRUcollectsstatusinformationfromARU/VHF&UHFARUandthencommunicateswiththeupperdevice
Confidential&Proprietary53/122 SC‐DAS4.4.5 BottomofROU1)Functions(a)MRU(b)ARUFigure4.36–ROUBottomviewItemDescriptionRemark1.VHF/UHFARUPortTerminalforTXandRXRFportsofVHFandUHFTerminalforsignalporttointerfacewithVHFandUHF2.LEDPANELVisibleLEDindicatorpanelforcheckingfaultstatusUSBPorttocheckandcontroldevicestatusthroughPCandlaptop3.PowerPortAC120VinputportorDC‐48Vinputport4.ARU/MRUPortTerminalforTXandRXRFportsofMRU/ARUTerminalforsignalporttointerfacewithMRU/ARU5.GNDLUGPORTTerminalforsystemgroundPowerPortAdifferenttypeofpowerportisusedsupplying‐48VDCor120VAC,andspecificpowercableshouldbeappliedtoeachdifferenttypeofROUpowersupply(AC/DCorDC/DC).Belowfigureshowsdifferentpowerconnectors.
Confidential&Proprietary54/122 SC‐DAS(a)AC/DC(b)DC/DCFigure4.37–ROUPowerPortView
Confidential&Proprietary55/122 SC‐DAS4.4.6 TopofROU4.4.6.1 CombinationofMRU1900PCS+850C/ARU700LTE+AWS‐1RFPORTOpticPortANTPortRFPORT(a)MRU(b)ARUFigure4.38–ROUTopViewforMRU1900P+850CandARU700LTE+AWS‐14.4.6.2 CombinationofMRU1900PCS+850C/ARU700LTE+AWS‐1RFPORTOpticPortANTPortRFPORT(a)MRU(b)ARUFigure4.39–ROUTopViewforMRU1900P+850CandARU700LTE+AWS‐1
Confidential&Proprietary56/122 SC‐DASItemDescriptionRemark1.RFPortTerminalforLowRFporttoconnectbetweenMRUandARURFTerminalforHIGHRFporttoconnectbetweenMRUandARURF2.ANTPortTerminalforRFporttoconnecttoantenna3.OpticPortTermnialforOpticalporttoconnectwithfibercableThefiberconnectortypeisSC/APC
Confidential&Proprietary57/122 SC‐DASSection5 SystemInstallation&Operation5.1BIUInstallation5.2ODUInstallation5.3ROUInstallation5.4OEUInstallation
Confidential&Proprietary58/122 SC‐DASThischapterdescribeshowtoinstalleachunitandcorrespondingfibercables,alongwithpowercablingmethod.Indetail,thechapterdescribeshowtoinstallshelvesorenclosuresofeachunit,PowerCablingmethod,OpticCablingandRFInterface.Furthermore,byshowingpowerconsumptionofmodulesinstalledineachunit,athePowerCablingbudgetiseasilydetermined.Last,itdescribesthequantityofcomponentsofmodulestobeinstalledineachunitalongwithanexpansionmethod.5.1 BIUInstallation5.1.1 BIUShelfInstallationGenerally,theBIUisinstalledina19”standardrack.Thisunithashandlesoneachsideforeasyplacement.Withtwomountingholesoneachside,youcanfirmlyfixtheunitintoa19”rack.Figure5.1–RACKInstallationBIUhasthefollowingcomponents:No.UnitDescriptionRemarkShelfIncludingMainBoard,19”,5U1EAMPSUOperate‐48VdcInput 1EAMCPUWithEthernetPortandUSBPort1EACommonPartPowerCable‐48VdcInputwithtwolugterminal 1EAMCDU‐ 1EASISOSlotMDBUTwoamongMDBUUpto2EAMCDU‐ 1EAMIMOSlotMDBUTwoamongMDBUUpto2EABasically,theframeoftheBIUhasslotsequippedwithanMPSUtosupplydeviceswithpoweran
Confidential&Proprietary59/122 SC‐DASMCPUtoqueryandcontrolstateofeachmoduleandaPowerCabletosupplypowerfromexternalrectifiers.Inaddition,therareslotsfortheMDBUswhichprovideservicesfordesiredband(Optional)andtheMCDUtocombineanddivideTX/RXsignalsforeachSISOandMIMOslots5.1.2 BIUPowerCablingBIUrequires‐48VDCinputpower.ConnectDCcablefromthepowersupplytotheTerminalBlockseenattherearofBIU.TerminalColorofcableDescriptionRemark‐48VBluecolor‐ GNDBlackcolor‐ NCNotConnected‐ Beforeconnectingthepowerterminal,youneedtoconnect"+"terminaloftheDVMprobewiththeGNDterminalandthenconnect"–"terminalwith‐48Vtoseeif“‐48Vdc”voltageispresent.Afterconfirmingthis,connectthepowerterminalwiththeterminaloftheterminalblockseenbelow.Figure5.2–Powerinterfacediagrm
Confidential&Proprietary60/122 SC‐DASNotethatBIUdoesnotoperateifthe"+"terminalandthe"–"terminalofthe‐48Vpowerarereversed.Whenyouconnect‐48VpowertotheBIU,usetheON/OFFswitchoftheMPSUlocatedatthefrontofBIUtocheckthepower.
Confidential&Proprietary61/122 SC‐DASFigure5.3–PSULEDindicatorinformationPowerSwitchLEDDescriptionAbnormal,NotsupplyPower‐48VdcONNormalsupplypower‐48VdcNormalStatusODCALMFailureofoutputPowerONIDCALMNormalStatus
Confidential&Proprietary62/122 SC‐DAS5.1.3 BIU/RFinterfaceTheBIUcanbeconnectedwithaBi‐DirectionalAmplifierorBaseStationTranceiver.ToconnecttheBIUwithaBDA,youneedtouseaduplexeroracirculatortoseparateTX/RXsignalsfromeachother.TheBIUcanfeedexternalTX/RXsignalsfromtheBackPlane.UsingadualbandMDBU,theBIUcaneasilyaccomodateallfrequencybands.Asseeninthetablebelow,theMDBUisdividedintoSingleandDualBandmodulesandeachunitcanbeconnectedwithtwocarriersignalsperband.AttherearoftheMDBU,4portsrepresenttheinputsforthefrequencybands.Thefollowingtableshowssignalstobefedtocorrespondingports:In/outRFPortNoUnitnamingDescription TXRXPort#11900PTX(1930~1995MHz)1900PRX(1850~1915MHz)Port#21900PTX(1930~1995MHz)1900PRX(1850~1915MHz)Port#3850CTX(869~894MHz)850CRX(824~849MHz)11900P+850CMDBUDualBand1900P:2Port850C:2PortPort#4850CTX(869~894MHz)850CRX(824~849MHz)Port#1700LTETX(728~756MHz)700LTERX(698~716MHz,777~787MHz)Port#2700LTETX(728~756MHz)700LTERX(698~716MHz,777~787MHz)Port#3AWS‐1TX(2110~2155MHz)AWS‐1RX(1710~1755MHz)2700LTE+AWS‐1MDBUDualBand700LTE:2PortAWS‐1:2PortPort#4AWS‐1TX(2110~2155MHz)AWS‐1RX(1710~1755MHz)Port#11900PTX(1930~1995MHz)1900PRX(1850~1915MHz)31900PMDBUSingleBand1900P:2PortPort#21900PTX(1930~1995MHz)1900PRX(1850~1915MHz)Port#1900ITX(935~940MHz)900IRX(896~901MHz)Port#2900ITX(925~940MHz)900IRX(896~901MHz)Port#3800PSTX(851~869MHz)800PSRX(806~869MHz)4900I+800IMDBUDualBand900I:2Port800I:2PortPort#4800PSTX(851~869MHz)800PSRX(806~869MHz)Port#11900PTX(1930~1995MHz)1900PRX(1850~1915MHz)Port#21900PTX(1930~1995MHz)1900PRX(1850~1915MHz)Port#3AWS‐1TX(2110~2155MHz)AWS‐1RX(1710~1755MHz)51900P+AWS‐1MDBUDualBand1900P:2PortAWS‐1:2PortPort#4AWS‐1TX(2110~2155MHz)AWS‐1RX(1710~1755MHz)6700PS+800PSDualBandPort#1700PSTX(763~775MHz)700PSRX(793~805MHz)On the loadmap
Confidential&Proprietary63/122 SC‐DASPort#2700PSTX(763~775MHz)700PSRX(793~805MHz)Port#3800PSTX(851~869MHz)800PSRX(806~869MHz)MDBU700PS:2Port800PS:2PortPort#4800PSTX(851~869MHz)800PSRX(806~869MHz)Port#1900ITX(929~941MHz)900IRX(896~902MHz)7900IMDBUSingleBand900I:2PortPort#2900ITX(929~941MHz)900IRX(896~902MHz)VHFTx(136~174MHz)VHFRx(136~174MHz)8VHF+UHFMCDUDualBandVHF+UHF:1PortPort#1UHFTx(380~512MHz)UHFRx(380~512MHz)AttherearofBIU,TxinputandRxoutputportsareseenforeachMDBU.Thenameofalltheportsaresilkscreenedas"#1,#2,#3and#4."Fromthetableabove,youneedtofeedcorrectsignalstotheinputandoutputportsofthecorrespondingMDBU.Figure5.4–BIURFinterfacediagramForeachport,TXandRXsignalsareseparatedfromeachother.Itisnotnecessarytoterminateunusedportsunlessyouwantto.BIUinterfacewithBasestationTransceiverBasically,theBIUhasseparateTXandRXportssoyouhaveonlytoconnecttheinputandoutput
Confidential&Proprietary64/122 SC‐DASports.Figure5.5–BTS/BIUconnectionsUsingaspectrumanalyzerorpowermeter,youneedtochecksignalssentfromBTSTX.Ifthesignalsexceedinputrange(‐20dBm~+10dBm),youcanconnectanattenuatorbetweentheBTSandBIUtobringthesignallevelintorange.BIUinterfacewithBi‐DirectionalAmplifierSincetheBIUisSimplexformat;youneedtoun‐duplextheBDAsignaltoproperlyconnectittotheBIU.Usingeitherduplexeroracirculator,youcanseparateTX/RXsignalscomingfromtheBDAFigure5.6–BDAInterfaceusingCirculator
Confidential&Proprietary65/122 SC‐DASFigure5.7–BDAInterfaceusingDuplexerTheBIUwillworkwiththeBDAineitherofthemethodsabove.TXsignallevelfromtheBDAmustbeverifiedthatitiswithinrangeoftheBIU.GiventheBIUTXinputrange(‐20dBm~+10dBm/Totalperport),verifyitiswithintheinput
Confidential&Proprietary66/122 SC‐DASrange,beforeconnectingtheports.5.1.4 MDBUinstallationMDBUisdesignedtobeinsertedintoanyslot.ABIUcanbeequippedwithatotaloffourMDBUs.IfonlyoneMDBUisinserted,youneedtoinsertBLANKcardsintotheotherslots.IfyoudonotterminateinputandoutputportsoftheMCDU,whichcombinesTXsignalsanddividesRXsignals,itwillcauseoutofbandspurioussignals.MakesuretoinsertMDBUBLANKcards
Confidential&Proprietary67/122 SC‐DASintotheMDBUslots.WhenanMDBUisinsertedintotheBIU,LEDsatthefrontpanelwillshowthefollowinginformation:Figure5.8–MDBULEDindicatorinformationLEDDescriptionPowerisnotsupplied.ONPowerissupplied.NormalOperationALMAbnormalOperation
Confidential&Proprietary68/122 SC‐DASMONITORSMAportseenatthefrontpaneloftheMDBUallowsyoutocheckthecurrentlevelofTXinputandRXoutputsignalsinservicewithoutaffectingmainsignals.TXMONis‐20dBbelowTXInputpowerandRXMONis‐20dBbelowRXOutputpoweraswell.5.1.5 ODUInterfaceTheBIUsupportsuptofourODUsperplatform.AttherearofBIU,eightRFinputandoutputportsfortheODUsaswellasfourpowerportsforpowersupplyandcommunicationareprovided.AsyouconnecttheODUs,theBIUrecognizestheODUthatisconnectedwithBIUautomaticallyFigure5.9–InterfaceportbetweenBIUandODUAttherearpartoftheODU,thenumberofRFPortsandSignalPortsareprintedinorder.ItsagoodideatolabeltheseincaseadditionalODUsareneeded.RFPortODUNumberingTXRXSignalPortODU1#1SISO_ODU#1ODU2#2SISO_ODU#2ODU3#3SISO_ODU#3ODUSISOODU4#4SISO_ODU#4ODU1#1MIMO_ODU#1ODUMIMOODU2#2MIMO_ODU#2
Confidential&Proprietary69/122 SC‐DASODU3#3MIMO_ODU#3ODU4#4MIMO_ODU#4
Confidential&Proprietary70/122 SC‐DASFigure5.10–CablinginterfacediagrambetweenBIUandODUForunusedRFPortsforODUexpansion,makesuretoterminatethemusingSMATerm.
Confidential&Proprietary71/122 SC‐DASWheninstallinganODUabovetheBIU,itisrecommendedtoleaveatleast1RUofspacebetweenthetwo.HeatfromBIUrisesandcoulddamagetheODU.
Confidential&Proprietary72/122 SC‐DAS5.1.6 BIUpowerconsumptionThetablebelowshowspowerconsumptionoftheBIU:PartUnitConsumptionPowerRemarkShelfMCPUCommonPartMPSU4.8WMCDU‐ 2.4W1900P+850C16W700LTE+AWS‐116W1900P12W900I+800I16W1900P+AWS‐1‐ 700PS+800PS‐MDBU900I‐TheBIUsuppliespowerforODU.WhenyouwanttocalculatetotalpowerconsumptionoftheBIU,youneedtoaddpowerconsumptionoftheODUtothetotalvalue.PowerconsumptionofODUisgiveninthelaterparagraphdescribingODU.On the loadmap
Confidential&Proprietary73/122 SC‐DAS5.2 ODUInstallationODUshouldbe,inanycase,putonthetopofBIU.ThisunitgetsrequiredpowerandRFsignalsfromBIU.ThefollowingtableshowscomponentsofODU:No.UnitDescriptionRemarkShelfIncludingMainBoard,19”,1U1EARFCableSMA(F)toSMA(F),400mm2EACommonPartSignalCable3Row(26P_F)to3Row(26P_M),650mm1EAOptionalPartDOUOpticalModulewith4OpticPortUpto2EAtobeinserted5.2.1 ODUShelfInstallationTheODUchassisis1RUinheightand19”wide.Itshouldbeinsertedintoa19”standardrackandplacedabovetheBIUleavinga1RUgapbetweentheODUandtheBIU.5.2.2 ODUPowerCablingTheODUgetspowerfromtheBIU.Whenyouconnecta3‐Row,26‐pinD‐SUBSignalcablefromBIUandinstallDOU,LEDonthefrontpanelislit.ThroughthisLED,youcancheckstatevaluesofLDandPDofDOU.5.2.3 ODUOpticCablingTheODUmakesRF‐opticalconversionofTXsignalsaswellasoptical‐RFconversionofRXsignals.TheODUcanbeequippedwithuptotwoDOUs.OneDOUsupportsfouropticalportsandoneopticalportcanbeconnectedwithanROU.Optionally,onlyopticalport4canbeconnectedwithOEUforODU1andODU2.ODU3.ODU4cannotconnectwithOEU.AsWDMisusedintheDOU,theunitcanconcurrentlysendandreceivetwodifferentwavelengths(TX:1310nm,RX:1550nm)throughonestrandoffiber.TheDOUhasSC/APCfiberconnectors.
Confidential&Proprietary74/122 SC‐DASFigure5.11–SC/APCfiberterminationForopticaladaptor,SC/APCtypeshouldbeused.Topreventcontaminationofthefiberend,itshouldbecoveredwithacapwhennotinstalled.TheSC/APCconnectorsshouldbecleanedwithalcoholpriortoinstallation.5.2.4 DOUinstallationUptotwoDOUscanbeinstalledinanODUchassis.TheDOUmoduleisaPluginPlaytype.WhenyouinsertaDOUintheODU,inserttheunitintotheleftDOU1slotfirst.Theslotnumberissilkscreenedattheleft.ThefollowingfigureshowsinstallationdiagramoftheODUwithoneDOUinsertedinit.ThefollowingfigureshowsinstallationdiagramofODUwithtwoDOUsinsertedinit.Figure5.12–ODUrearviewwithDOUsinserted
Confidential&Proprietary75/122 SC‐DASWhenyouinsertDOUintoODU,inserttheunitintotheleftDOU1slotfirst.InsertaBLANKUNITintheunusedslot.5.2.5 ODUPowerconsumptionTheODUgetspowerfromtheBIU.OneODUcanbeequippedwithuptotwoDOUs.DependingonhowmanyDOUsareinstalled,powerconsumptionvaries.ThetablebelowshowspowerconsumptionoftheODU:PartUnitConsumptionPowerRemarkODU_4DOU1EA14W
Confidential&Proprietary76/122 SC‐DASODU_8DOU2EA28W
Confidential&Proprietary77/122 SC‐DAS5.3 ROUInstallation5.3.1 ROUEnclosureinstallationTheROUenclosurehastwooptions.OnemeetsNEMA4standardandtheotherisnotwaterproofordirtproof.TheROUcanbemountedonaWalleasily.Rackmountingisalsopossibleusingspecialframe.Thereare3differenttypesandtheywillbeexplainedlaterinthischapter.TheROUconsistsofanMRUandanARU.Theirdimensionsarethesame.ThefollowingshowsthedimensionofthemountingholesfortheWallMountBracket.Figure5.13–WallmountdimensionsfortheROUROUWallMountInstallationTherearetwowaytoinstalltheROUonthewall.OneistoinstallROUsonthewallsidebyside,theotherisstacktheARUabovetheMRU.Type1:SidebySideinstallationInstallM8mountingScrewsroughlyhalfwayin,insertthewallmountbracketoverthe2screwsandsecureitwiththelast2screws.Forconvenience,theWallMountBrackethasmountingholestoletyoueasilymountanenclosure.
Confidential&Proprietary78/122 SC‐DASScrewtheM6WrenchBoltsbyhalfateachsideoftheHeatsinkenclosure.Figure5.14–ROUinstallationproceduresidebysidePlacetheenclosurewiththeM6BoltonthemountinggrooveandmounttheM6WrenchBoltsintotheremainingmountingholes.Inthiscase,youwilluse4M6WrenchBolts.
Confidential&Proprietary79/122 SC‐DASFigure5.15–ROUinstallationdiagramsidebysideForconnectingcablesbetweenMRUandARUeasily,theMRUshouldinstallonleftsideofARU.Type2:stackedinstallationIfspaceprohibitstheMRUandARUfrombeingmountedsidebyside,theunitscanbeinstalledinastackedconfiguration.StackingtheunitrequiresaspecialbaracketforstackedinstallationFirst,installtheMRUonthewall,theninstallthebracketforstackedinstallationontheMRU.FinallyinstalltheARUonthebracket.CompletedinstallationdiagramisasfollowsFigure5.16–ROUinstallationprocedureforstackedmounting
Confidential&Proprietary80/122 SC‐DASThefollowingshowsdimensionofthemountingpointforthestackedbracket.Figure5.17–ROUinstallationdiagramforstackedmounting
Confidential&Proprietary81/122 SC‐DASROURackMountInstallationTherearetwowaystoinstallrackmount.OneistoinstallROUsontherackvertically:theotheristoinstallROUsontherackhorizontallyType1:VerticalinstallationontherackForvertcalinstallation,averticalbracketisneeded.First,installbracketforverticalinstallationontherackSecond,mountMRUontheleftsideoftheinstalledbracketThird,mountARUontherightsideoftheinstalledbracketCompletedinstallationdiagramisasfollowsFigure5.18–ROUinstallationprocedureforverticalrackThefollowingshowsdimensionofthemountingpointforverticalinstallation
Confidential&Proprietary82/122 SC‐DASFigure5.19–ROUinstallationdiagramforverticalrackType2:HorizontalinstallationontherackForHorizontalinstallation,horizontalbracketisneeded.Unlikeverticalinstallation,theMRUismountedontherightoftheinstalledbracketfirstandthenARUisinstalledtotheleftofMRUFirst,installbracketforhorizontalinstallationontherackSecond,openthefrontcoverofhorizontalbracketThird,mountMRUontherightsideoftheinstalledbracketFourth,mountARUontheleftsideoftheinstalledbracketFinally,closethefrontcoverofhorizontalbracketCompletedinstallationdiagramisasfollows
Confidential&Proprietary83/122 SC‐DASFigure5.20–ROUinstallationprocedureforhorizontalrackThefollowingshowsdimensionsofthemountingpointforhorizontalinstallationFigure5.21–ROUinstallationdiagramforhorizontalrack
Confidential&Proprietary84/122 SC‐DASROUcomponentsTheROUhasthefollowingcomponents:No.UnitDescriptionRemarkEnclosureIncludingWallcradle1EAMRUPowerCable‐Connectorwith3holetoAC120plug(AC)‐Connectorwith2lugtermination(DC)1EA(OpticalforACorDC)EnclosureIncludingWallcradle1EAPowerCable‐Connectorwith3holetoAC120plug(AC)‐Connectorwith2lugtermination(DC)1EA(OpticalforACorDC)RFcableforoptical‐TwoRFcablesandonesignalcable ARURFcableforantenna‐TwoRFcables5.3.2 ROUPowerCablingTheROUsupportsbothofDC‐48VandAC120Vinputpower.ThetypeofinputpowerfortheROUisalreadydeterminedatthefactory.TheROUisshippedwiththecorrectpowercableinthepackagebox.SeetheULnameplateoftheROUtodeterminetheinputpowertypeoftheROUorseethepowerconnectorinthebelowpicture.Youshouldorderthetypeofinputpowerasyourapplication.(a)AC/DC(b)DC/DCFigure5.22–ROUPowerPortviewCheckifyourpowercordconnectoristhesameasoneseeninthetableabove.TheROUdoesnothavepowerswitchtopoweron/off.PowersupplyisonwhencordispluggedintotheACsource.
Confidential&Proprietary85/122 SC‐DAS5.3.3 OpticalCablingTheMRUmakestheoptical‐RFconversionofTXsignalsfromuppertheODUandOEUaswellastheRF‐ opticalconversionofRXsignals.TheMRUhasoneopticalmoduleinit.AsWDMisusedintheR_OPTmodule,twoseparatewavelengths(TX:1310nm,RX:1550nm)canbesent/receivedwithonefiberstrandatthesametime.TheMRUhasSC/APCconnectors.Topreventthefiberinterfacefrombeingmarredwithdirt,itshouldbecoveredwithacapwhennotinstalled.Fiberconnectorsshouldbecleanedalcohocoltoremovedirtbeforeinstallation.Figure5.23–ROUopticalPortviewOnlytheMRUhasopticalport;thereisnoopticalportontheARU5.3.4 GNDTerminalConnectionTheROUhasoneGNDterminalportonbottomside,asshownbelow
Confidential&Proprietary86/122 SC‐DASFigure5.24–ROUGNDPortview- TakeofftheGNDterminalportfromtheenclosureandconnecttothegroundcable.Thenreconnectittotheenclosure- TheoppositeendofthegroundcableshouldconnecttothecommunicationGNDofbuilding- ThegroundlugisdesignedmeetingtheSQ5.5standard5.3.5 CoaxialcableandAntennaConnection- ThecoaxialcableswhichareconnectedtoDASconnecttoantennaportoftheROU.Beforeconnection,checktheVSWRofthecoaxialcableusingaSiteMastertoverifywhetheritiswithintolerance.- TheReturnlossshouldbebetterthan15dBorVSWRshouldbebelow1.5:1.- Makesuretheantennaconnectoristightenedproperlyandfreeofanydirtorinsects.- TheantennaconnectedtotheROUisonlyforinbuildinguse.- OnlytheMRUhasanantennaport.TheARUtransmitsitssignalthroughRFcableconnectedtoboththeMRUandARU
Confidential&Proprietary87/122 SC‐DAS5.3.6 LEDexplanationonROUTheROUhasanLEDpanelatthebottomofROU.TheLEDindicatorisexplainedbelowFigure5.25–ROULEDindicatorinformation5.3.7 ROUPowerconsumptionThefollowingtableshowspowerconsumptionoftheROUPartUnitConsumptionPowerRemark1900P+850CsupportingARU700LTE+AWS‐150WDualBandMRU1900PsupportingARU900I+800I45WSingleBand700LTE+AWS‐140WDualBandARU900I+800I44WDualBandLEDDescriptionPowerisnotsuppliedONPowerissupplied.NormalOperationALMAbnormalOperationR‐OPTisnormaloperationOPTR‐OPTisabnormalOperationTXDFlashingwhendatasendtoupperunitRXDFlashingwhendatareceivefromupperunit
Confidential&Proprietary88/122 SC‐DAS5.3.8 CableconnectionbetweenMRUandARUMRUhasonlyantennaport,ARUoutputportshouldbeconnectedwithMRU.MRUtransmitallfrequencybandintooneantennaaftercombiningwithARUsignalFigurebelowshowsconnectiondiagrambetweenMRUandARU①②③④⑤③④⑤②(a)MRU1900P+850C/ARU700LTE/AWS‐1(b)MRU1900P/ARU900I/800IFigure5.26–CableconnectionbetweenMRUandARUCableDescriptionMRUNameARUNameRemark① CoaxialcableHighHigh② CoaxialcableLowLow③ CoaxialcableTXTX④ CaaxialcableRXRX⑤ SignalcableExternalportExternalport
Confidential&Proprietary89/122 SC‐DAS5.4 OEUInstallationOEUisusedtoexpandtheROUinamultibuildingenvironment.TheOEUislocatedataRemoteCloset.AsitcanbeequippedwithuptotwoDOUs,youcanexpandatotalofeightROUs.5.4.1 OEUchassisinstallationTheOEUchassisis2RUinsizeandcanbeinsertedintoa19”StandardRack.TheOEUisinaRemoteCloset,providingopticalportsfortheROU.ThefollowingtableshowspowerconsumptionofOEU:No.UnitDescriptionRemarkChassisIncludingEWDM,ERF,EPSU,ECPU,19”,2U1EACommonPartPowerCable‐48VdcInputwithtwolugterminal 1EAOptionalPartDOUOpticalModulewith4OpticPortsUpto2EAtobeinserted5.4.2 OEUPowerCablingTheinputpoweroftheOEUis‐48VDC.YouneedtoconnectaDCcablewiththeTerminalBlockseenattherearoftheOEU.TerminalColorofcableDescriptionRemark‐48VBluecolorInputrange:‐42to‐56VdcNCNotConnected GNDBlackcolor Beforeconnectingthepowerterminal,Verifythat‐48VDCispresentbyconnectingthepowersupplytoaDVMwith“‐“terminaltopositiveand“+”terminaltoGNDoftheDVM.Ifvoltageiscorrect,connectthepowerterminalthroughtheterminalseenbelow.
Confidential&Proprietary90/122 SC‐DASFigure5.26–OEUPowerinterfacediagramNotethatOEUdoesnotoperateifthe“+”terminalandthe“–“terminalofthe‐48Vpowersupplyarereversed.
Confidential&Proprietary91/122 SC‐DAS5.4.3 OEUOpticCablingTheOEUisconnectedwiththeupperODU.WiththeDOUinsertedinit,theunitisconnectedwiththeROU.HavingEWDMbuiltintheOEU,itmakestheRF‐opticalconversionofTXsignalsfromODUaswellastheoptical‐RFconversionofRXsignals.Inaddition,theOEUcanbeequippedwithuptotwoDOUs.OneDOUsupportsfouropticalportsandoneopticalportcanbeconnectedwiththeROU.WithWDMintheDOU,theunitcanconcurrentlysend/receivetwodifferentwavelengths(TX:1310nm,RX:1550nm)throughonestrandoffiber.TheDOUhasSC/APCconnectors.Figure5.27–OpticalcablewithSC/ACPTypeConnectorsSC/APCtypeconnectorsmustbeused.Topreventtheopticalaccesspartfrombeingmarredwithdirt,itshouldbecoveredwithacapwhennotinstalled.Connectorsshouldbecleanedwithalcoholbeforetheyareinstalled.
Confidential&Proprietary92/122 SC‐DAS5.4.4 DOUinstallationwithanOEUUptotwoDOUscanbeinsertedintoanOEUchassis.TheDOUmoduleisaPluginPlaytype.WhenyouinserttheDOUintotheOEU,insertitintothetopDOU1slotfirst.Slotnumbersaresilkscreenedontheleft.ThefollowingfigureshowsinstallationdiagramofanOEUwithoneDOUinsertedinit.ThefollowingfigureshowsinstallationdiagramofanOEUwithtwoDOUsinsertedinit.Figure5.28–OEUwithDOUsinsertedWhenyouinsertaDOUintoOEU,usetheDOU1slotfirst.Forunusedslots,youneddtoinstall
Confidential&Proprietary93/122 SC‐DASBLANKUNITintothem.5.4.5 OEUPowerConsumptionTheOEUhasa‐48VDCPowersupplyinit.TheOEUcanbeequippedwithuptotwoDOUs.DependingonthenumberofDOUs,powerconsumptionwillvary.ThefollowingtableshowspowerconsumptionoftheOEU:PartUnitConsumptionPowerRemarkShelfEWDMERFCommonPartEPSU12WOEU_4DOU1EA23WOEU_8DOU2EA39W
Confidential&Proprietary94/122 SC‐DASSection6 Operation6.1BIUOperation6.2ROUOperation6.3OEUOperation
Confidential&Proprietary95/122 SC‐DASThischapterdescribesoperationofSC‐DAS.Itdealswithproceduresandoperationsfornormalsystemoperationafterinstallation.Italsodescribesoperationsperunitandinterworkingmethods.6.1 BIUOverview6.1.1 BIUFigure6.1–SC‐DASLinkbudgetfortheBIU6.1.2 BIUTXparametersTheTXleveltobesenttotheBIUshouldbeintherangeof‐20dBmto+10dBm.Ifthelevelexceedstherange,youneedtoconnectanattenuatortothefrontendoftheBIUinputandadjustthelevelinthecorrespondingrange.IfTXinputistoolow,maximumpowercannotbeachievedsoyouneedtoincreasetheoutputpowerofBDAoradjustattenuationamountofBTS’scoupleradjusttheleveloftheATT.Usingaspectrumanalyzer,checkallbandsandverifyiftheyareinanappropriatelevelbeforemakingconnectionwithinputportoftheBIU.Last,checktoseeiftherearespurioussignals.SelectanMDBUwiththedesiredfrequencybandsand.insertitintotheBIUandchecktoseeifitworksnormally.FortheMDBU,uptotwoTXinputsareprovided.Inputlevelperportis‐20dBmto+10dBm.
Confidential&Proprietary96/122 SC‐DASCheckingthestatusofthesystem’sLEDIndicatorAfterturningontheswitchofthepowersupplyinBIU,checkinformationoneachmodule’sLEDofthesystem.Thetablebelowshowsnormal/abnormalcasesdependingonthestatusofeachmodule’sLED.LEDinformationUnitLEDIndicatesONGreen:MDBUisnormallypower‐supplied.Green:MDBUisnormal.MDBUALMRed:MDBUisabnormal;checkthealarmthroughRS‐232C.ONGreen:MCPUisnormallypower‐supplied.TXDGreenflicker:TXsignalsaretransmittedtocommunicatewithROU.RXDGreenflicker:RXsignalsarereceivedfromROU.Green:BIUsystemisnormal.MCPUALMRed:BIUsystemisabnormal;checkthealarmthroughRS‐232C.ONGreen:BIUisconnectedwithpowerandMPSUworksnormally.Green:DCoutputisnormal.MPSUALMRed:DCoutputisabnormal.MDBUSettingInserttheMDBUintotheBIU.Checkifthe“ON”LEDIndicatoratthefrontpanelofMDBUislitgreen.MakeaconnectionwithDEBUGportoftheMCPUthroughUSBCableCheckiftheIDofMDBUmoduleislocatedinthoseSISOMDBU#1&2,MIMOMDBU#1&2slotsoftheMDBUthroughtheGUI.Whenyouselectthetabofacorrespondingslotfromthemainwindow,youcaninquireandsetthestatusofacorrespondingMDBUmodule.
Confidential&Proprietary97/122 SC‐DASFigure6.2–MDBUinformationassignedattheBIUCheckiftheMDBUisinsertedintoacorrespondingslotoftheBIU.TheIDscreenshowsthefollowing:A. MDBUID:ShowMDBUIDinsertedintoslotB. NotInsert:ThisstatusvalueappearswhenMDBUhasnotbeenset.C. LinkFail:ThisstatusvalueappearswhenMDBUhasbeensetbutitfailstocommunicatewithmodules.SC‐DASisclassfiedaccordingtopaththatisasSISOandMIMO.EachpathcanhaveuptotwoMDBUs.TheseMDBUscanbedifferentcombinationsasperyourapplicationUsetheON/OFF(Activation/de‐activation)functionforaportyouwanttouseandturnitON.Figure6.3–MDBUmenuinformationattheBIU
Confidential&Proprietary98/122 SC‐DAS.MakesuretoturnOFFunusedports.ThetablebelowshowsoutputpowervsnumberofportsMDBUBandOutputlevel(Compositepower)No.ofMaxport(N)700LTE24dBm‐10*LOG(N)2850Cellular24dBm‐10*LOG(N)21900PCS28dBm‐10*LOG(N)2AWS‐128dBm‐10*LOG(N)2900I26dBm‐10*LOG(N)2800I26dBm‐10*LOG(N)2700PS23dBm‐10*LOG(N)2VHF24dBm‐10*LOG(N)1On the loadmap
Confidential&Proprietary99/122 SC‐DASUHF24dBm‐10*LOG(N)1CheckifthelevelofTXINPOWERisthesameasthevaluemeasuredwithspectrumanalyzer(Within±3dB).UseTXINAGCfunctionandautomaticallysetinternalATTdependingoninputlevel.ATTisautomaticallysetbasedon‐20dBmofinput.ThetablebelowshowsTXINATTdependingonTXINPOWER.Formanualsetting,youcansetATTdependingoninputaccordingtothetable.TXINPOWERTXINATTTXINPOWERTXINATTTXINPOWERTXINATT‐20dBm0dB ‐9dBm11dB+1dBm21dB‐19dBm1dB ‐8dBm12dB+2dBm22dB‐18dBm2dB ‐7dBm13dB+3dBm23dB‐17dBm3dB ‐6dBm14dB+4dBm24dB‐16dBm4dB ‐5dBm15dB+5dBm25dB‐15dBm5dB ‐4dBm16dB+6dBm26dB‐14dBm6dB ‐3dBm17dB+7dBm27dB‐13dBm7dB ‐2dBm18dB+8dBm28dB‐12dBm8dB ‐1dBm19dB+9dBm29dB‐11dBm9dB0dBm20dB+10dBm30dB‐10dBm10dBTheMDBUcardsintheBIUprovideALC(AutoLevelControl)functionalityforeachoftheinputstolimitthemaximumpoweroutputpercarrierinput.TheinputlevelstartsactivatingALCat‐20dBmwhenturningtheALCon.Forcorrectparametersettings,first,performtheinputAGCandthenturntheALCfunctionon.Edittheportnameandsetitasadesiredcharacterstring(upto12characters).Forexample,thefigurebelowshowsascreenwhenyouset“VzW”forport1and“AT&T”forport2.
Confidential&Proprietary100/122 SC‐DASFigure6.4–MDBUnameassignmentattheBIUThisnamingisreflectedatthetreeasfollowsFigure6.5–MDBUnameassignmentatthetreeUsevariousupper/lowerlimits.Thefollowingtableshowsrecommendedlimitsettings:ItemRecommendedLimitRemarkTXINHIGHALM15dBmAlarmTXINLOWALM‐25dBmAlarmRXOUTALC0dBmAutoLevelcontrolRXOUTHIGHALM5dBmAlarmAfteryoufinishsettingnormalinputlevelsandalarmlimits,checktoseeiftheMODULEFAILURELEDIndicatorislitgreen(Normalcase).Figure6.6–MDBUModuleFailureinformationattheBIU
Confidential&Proprietary101/122 SC‐DAS6.1.3 BIURXparametersForRXoperationatBIU,youneedtosetRXgaintopreventtheBTSorBDAfrombeingaffected.ThereisanATTsettingwindowtoletyouadjustgainperbandandport.TotalRXgainis50dBperband.Toadjustadesiredgain,youneedtodothefollowing.ForadesiredRXgain,youcansetitas50dB‐RXATT.UsetheterminalandcheckifTXAdjustvalueandEc/Iovalueisappropriate.TopreventhighlevelsignalsfromenteringtheBTSorBDA,keepALCmodeactivated(ON).
Confidential&Proprietary102/122 SC‐DAS6.1.4 BIULogicSequenceDiagramTheBIUcontrolstheoverallsystem,workingasastheheadendunitofanysystem.TheBIUconnectswithunitssuchasODU,OEUandROU.Thetreehierarchyautomaticallydisplaysthecomponentsconnectedtothesystemandcommunicatewithlowerunitswhilecollectingthestatusoftheunits.Themenubelowshowstopologyforoverallunits.BasictopologyforSC‐DASConfigurationofBIU‐ODU‐ROUFigure6.7–ConfigurationofBIU‐ODU‐ROUforbasictopologyTheBIUhastwopaths:SISOandMIMO.Eachpathhascapabilitytoconnectupto4ODUs,oneODUcanbeconnectedupto8ROUs.Therefore,thenumberofROUsperpathis32.RegardingtheMIMOpath,OneBIUcanconnectupto64ROUs
Confidential&Proprietary103/122 SC‐DASExpansiontopologyforSC‐DASConfigurationofBIU‐ODU‐OEU‐ROUFigure6.8–ConfigurationofBIU‐ODU‐ROUforexpansiontopologyUsinganOEUallowsyoutoexpandforadditionalROUsasshowninthetreestructures.Lookingattheabovetreehierarchy,anOEUcanbeconnectedwithODU1and2onlyandregardingtheopticalportofaDOU,theOEUcanonlyconnecttothefourthopticalport.IfyoutrytoconnecttheOEUports1thru3oftheDOU,theBIUwon’tcommunicatewithit.ThistreehierarchyisgeneratedautomaticallyastheROU/OEUisconnectedattheODUopticalport
Confidential&Proprietary104/122 SC‐DAS6.1.5 InteractionwiththeBIUTheBIUcanbeequippedwithuptofourODUsperpath.OneODUcanhavetwoDOUsinit.Forinformationoninsertion/deletionoftheDOUintheODU,lookatthemainwindowoftheBIUasshownbelowFigure6.9–DOUassignmentattheBIUWhenyouselecttheODUscreenfromtheleftTREEpanel,youcanseetheDOU1orDOU2menuactiavteddependingonwhetherDOUhasbeeninserted.Then,theopticalportsetattheINSTALLmenuisalsoactiavtedtoletyoucheckPDvalueoftheopticalport.Anyunusedopticalportisseende‐activatedingrey.Figure6.10–ODUMenuinformation
Confidential&Proprietary105/122 SC‐DASThelevelofDOU’sLaserdidoeistypically+1.5±1dBm.DOUshavevariousalarmsuchasLDPoweralarm,OverloadAlarmandPDalarms.ThelevelofLaserdiodereceivedfromROU/OEUis+7dBm±0.5dB.ThelevelofPhotodiodewillbedisplayedwithlossesrelatedtothelengthofopticalcablesandinsertionlossofopticalconnectors.Ingeneral,thelevelofopticalPDPOWERshouldbe+6dBmto+2dBm±1.5dB.Furthermore,theODUhasthefunctionofautomaticallycompensatingforopticalcableloss.Initially,ifBIUcommunicateswiththelowerUnit(OEU,ROU),theopticallosscompensationisautomaticallyaffected.Duringopticalcompensation,theResultwindowshows"Processing"andthenaresultvalue.Therearethreetypesofresultsasfollows:A. Success:TheopticalcompensationisnormallycompletedB. OverOpticLoss:Generatedopticallossis5dBoormore.C. CommunicationFail:CommunicationwithROUisinpoorconditin.TheATTforopticalcompensationcanworkbasedonthenumericalexpressionof12‐2*(LDPOWER‐PDPOWER).OpticalcompensationcanbemadenotonlyintheODUbutalsointheROU.6.2 ROUOverviewThefigurebelowshowstheSC‐DASsystemlinklevel(BIU‐ODU‐ROU).ThissectiondescribesROU‐relatedinformation.TheROUreceivesvarioussignalsthroughopticalmodules.ThesesignalsarefilteredonlyforcorrespondingsignalbandfromtheMFR/ARFmoduleandamplifiedwithaHighPowerAmplifier.Then,themultiplexercombinesthesignalswithothersandsendsthemtotheantennaport.Figure6.11–SC‐DASLinkbudgetforROU
Confidential&Proprietary106/122 SC‐DAS6.2.1 ROUOperationTheROUisaone‐bodyenclosuretypeandislocatedataremoteclosetinthebuilding.Itcanbeinstalledonawallorintoarack.Basically,onlyoneantennaportisprovided.Toinstallmultipleantennas,youneeddividersand/orcouplers.TheROUcanworkwithaDCFeederandanOpticCableFeeder.TopowertheROU,apowersupplyofeitherAC‐DCorDC‐DCcanbeselecteddependingontheapplication.Forupperlevel,theROUcanbeconnectedwiththeODUandOEU.IthasanAGCfunctionfor5dBoofopticalcableloss.ThefollowingshowsoperationalproceduresafterinstallationoftheROU.CheckingthestatusofROU'sLEDIndicatorWhenpowercableispluggedintoanoutlet,powerisprovidedfortheROU.Checkinformationoneachmodule'sLEDofthesystem.Thetablebelowshowsnormal/abnormalcasesdependingonthestatusofeachmodule'sLED.CheckingCommunicationLEDofROUCheckifTXDandRXDLEDsintheMRUmakecommunication.ReceivingFSKsignalsfromtheBIU,LEDDescriptionPowerisnotsuppliedONPowerissupplied.NormalOperationALMAbnormalOperationR‐OPTisnormaloperationOPTR‐OPTisabnormalOperationTXDFlashingwhendatasendtoupperunitRXDFlashingwhendatareceivefromupperunit
Confidential&Proprietary107/122 SC‐DAStheROUsendsrequestedstatusvaluetotheBIU.Duringreception,RXDLEDblinks.Duringtramsmission,,TXDLEDblinks.Atthistime,youneedtoseeifwhethertouseacorrespondingROUischeckedonWhentheARUisconnectedwiththeMRU,checkifTXDandRXDLEDsatARUblink.Atthistime,checkwhetherexternalcableisconnectedtotheMRUandARU
Confidential&Proprietary108/122 SC‐DASROUOpticCompOperationTheROUhasthefunctionofautomaticallycompensatingforopticalloss.Itcandotheworkforupto5dBoofopticalloss.Set“TXOPTICCOMP”oftheMRUto"ON."OpticalcompensationofROUcannotbemadewithoutcommunicationtotheODUorOEU.For1dBoofopticalloss,basicTXOPTICATTis1dB;for5dBoofopticalloss,TXOPTICATTis4dB.OPTICCOMPworksonlyonetimebeforeitstaysdormant.ThefigurebelowshowsascreenforOPTICInformationinROUGUI.LDPOWERreferencestheoutputlevelofROULaserDiodewhichissenttoaupperunitbytheROU.PDPOWERreferencestheinputlevelofPhotoDiodetobereceivedfromaupperunit.Figure6.12–OpticalinformationattheROUInitially,WhentheROUcommunicateswiththeupperdevice(ODU/OEU),opticallosscompensationisdoneautomatically.Duringopticallosscompensation,theresultwindowshows"Processing"andthenaresultvalueisdisplayed.Therearethreetypesofresultsasfollows:1. Success:Theopticalcompensationisnormallycompleted.2. OverOpticLoss:Generatedopticallossis5dBoormore.3. CommunicationFail:CommunicationwithROUisinpoorcondition.ContinueifTXopticresultissuccessful.Iftheresultsare“overopticLoss”,cleanopticalconnectorfaceusingclearcloth,andthenoperateTXOPTICCOMPagain.Also,youcanperformopticallosscompensationmanually.Here,RUNModedisplaystwotypesasshownbelow1. Auto:CPUofMRUisperformedautomaticallywheniscommnincatedwithupperdevice2. Manual:whenuserperformsmanually.Thisresultwilldisplay
Confidential&Proprietary109/122 SC‐DASIfROUdoesnotmakeopticalcompensation,therewillbeerorsinthesystemlinkbudget.ItcancauseloweroutputlevelsormakeSpuriousEmissionsdetrimentaltothesystem.ROUSettingTheMRUcanbeinterfacedwithtwoRUs.OneisanARUwhichisprovidedwithanextracarrierband.TheotherisaVHF+UHFRUwhichisprovidedwithpublicsafetyservicerequiredinthebuildingcode.ThroughtheGUIattheMRU,itqueriesthestatusandcontroloftheMRU,theARUandtheVHF+UHFRU
Confidential&Proprietary110/122 SC‐DASFigure6.13–ROUinformationassignmentByclickingthemainmenuwhichisMRU,ARUandVHF+UHF,youcanqueryandcontroltheseunitsSetHPAofacorrespondingRDUas“ON.”UseTXOUTPUTAGSfunctionandsetitasadesiredoutputlevel.Figure6.14–ROUMenuinformationThetablebelowshowsmaximallyallowableCompositePowerlevelsthatcanbesetperband:RDUBandPowerthatcanbemaximallysetSettingrangeRemark700LTE24dBm0~24dBmARU700LTE+AWS‐1850Cellular24dBm0~24dBmMRU1900PCS+850C28dBm0~28dBmMRU1900PCS+850C1900PCS31dBm0~28dBmMRU1900PCSAWS‐128dBm0~28dBmARU700LTE+AWS‐1
Confidential&Proprietary111/122 SC‐DAS900I26dBm0~26dBmARU900I+800I800I26dBm0~26dBmARU900I+800IAGSfunctionenablesyoutoadjustoutputpowerasyoulike.WhiletheAGSfunctionisbeingexecuted,theResultwindowshows"Processing"andthenaresultvalueisdisplayed.Therearethreetypesofresultsasfollows:A. Success:TheAGSfunctionisnormallycompleted.B. NotOpterateOPTICComp:OpticCompisnotexecuted.C. LackofATT:Thereisnoattenuationavailable.Settheupper/lowerlimits.Thefollowingtableshowsrecommendedlimitsettings:ItemRecommendedLimitRemarkTXOUTPUTHIGHALMMaxCompositePower+1dBAlarmTXOUTPUTLOWALM0dBmAlarmTXOUTPUTALCMaxCompositePowerAutoLevelcontrolTXOUTPUTSDMaxCompositePower+2dBShutdownRXALC‐45dBmIfTXOUTPUTHIGHALMishigherthanasettingvalue,alarmswillbegenerated.IfTXOUTPUTLOWALMislowerthanasettingvalue,alarmswillbegenerated.TXOUTPUTHIGHALM/LOWALMtendstoworkonlyaswarning.Whenyouactivate(“ON”)TXOUTPUTALC,outputswillberestricteddependingonasettingoutputvalue.Whenyouactivate(“ON”)TXOUTPUTSD,outputwillbeturnedOFFonceoutputpowerlevelreachesthesameasSDsettingvalue.UponSDoperation,checkoutputlevelafter10minutesandthencheckthestatusagain.Whenyouactivate(“ON”)RXALC,inputswillberestricteddependingonasettingvalue.Asdescribedabove,whennormaloutputlevelandalarmlimitvaluesareset,youneedtocheckifthevalueofMODULEFAILURELEDIndicatorisgreen.Forunusedbands,youneedtousebandselect‐ON/‐OFFfunctiontoturnthemoff.TheROUhassoftkeyfunction,whensoftkeyisidentifiedwithserialnumber,thebandcanbeactivated.Ifthesoftkeydonotidentifywiththeserialnumber,youcannotusethatband.Thesoftkeyhasauniquevalueaccordingtoserialnumber.Tousetwobandssimulatanously,youshouldentersoftkeyvalue.Figure6.15–ROUSoftkeyinformation
Confidential&Proprietary112/122 SC‐DAS,TheROUhasuniqueserialnumberandalsoauniquesoftkey.
Confidential&Proprietary113/122 SC‐DAS6.3 OEUOperationThefigurebelowshowsthesystemlinklevelofSC‐DAS(BIU‐ODU‐OEU‐ROU).ThissectiondescribesOEU‐relatedinformation.TheOEUreceivesvarioussignalsthroughopticalmodules.TheopticalsignalsareconvertedtoRFsignalsandtheRFsignalareamplifiedtomoderatesignallevels.TotransmittoROU,thesignalisconvertedtoanopticalsignalFigure6.16–SC‐DASLinkBudgetforOEU6.3.1 OEUOperationTheOEUcomesasarackmountchassisandislocatedataremoteclosetinabuilding.TheOEUsmainfunctionistoactasahubforexpansiontootherbuildings,Itonlyrequiresonestrandoffibertoexpandto8ROUs.(OEUsupportsupto2DOUsandtheDOUsupportsupto4opticalportsthatconnectROUs).TheROUcanworkwithaDCFeederandanOpticCableFeeder.oftheOEUrequiresaDC‐DCpowersupply.Intheotherdirection,theOEUcanbeconnectedwithaODU.Ithasopticallosscompensationfunctionfor5dBoofopticalcableloss.ThefollowingshowsoperationalproceduresafterinstallationoftheOEU.CheckingthestatusofOEU'sLEDIndicator
Confidential&Proprietary114/122 SC‐DASAfterturningontheswitchofthepowersupplyintheOEU,checkinformationoneachmodule'sLEDofthesystem.Thetablebelowshowsnormal/abnormalcasesdependingonthestatusofeachmodule'sLED.UnitLEDIndicatesGreen:LaserDiodenormalstatusLDRed:LaserDiodeabnormalstatusGreen:PhotoDiodenormalstatusEWDMPDRed:PhotoDiodeabnormalstatus,inputopticpowerlowalarmGreen:LaserDiodenormalstatusLDRed:LaserDiodeabnormalstatusGreen:PhotoDiode(PD)ofopticport1isnormalPD1Red:PDofopticport1isabnormalorinputopticpowerlowGreen:PhotoDiode(PD)ofopticport2isnormalPD2Red:PDofopticport2isabnormalorinputopticpowerlowGreen:PhotoDiode(PD)ofopticport3isnormalPD3Red:PDofopticport3isabnormalorinputopticpowerlowGreen:PhotoDiode(PD)ofopticport4isnormalDOU1,2PD4Red:PDofopticport4isabnormalorinputopticpowerlowONGreen:PoweronTXD1Greenflicker:ECPUsendNMSTxdatatoBIURXD1Greenflicker:ECPUreceiveNMSRxdatafromBIUTXD2Greenflicker:ECPUsendNMSTxdatatoROURXD2Greenflicker:ECPUreceiveNMSRxdatafromROUSystemALMGreen:OEUsystemnormal(noalarm)
Confidential&Proprietary115/122 SC‐DASRed:OEUsystemabnormal(alarm)CheckingCommunicationLEDofOEUStep1:checkingwhetherthereiscommunicationwiththeBIU(ODU)CheckifTXD1andRXD2LEDsinOEUfrontLEDmakecommunication.ReceivingFSKsignalsfromBIU,theOEUsendsrequestedstatusvaluetoBIU.Duringreception,RXD1LEDflicks.DuringtramsmissionTXD1LEDflicks.Step2:CheckingwhetherthereiscommunicationwiththeROUOEUconfiguredasaHub.OEUhastwoopticalports.OneisconnectedtoupperODUandtheothersisconnectedtoROU.CommunicationwithODUwascheckedatabovestep1Step3ischeckingwhethertheOEUcommunicateswiththeROU.TheOEUrequeststatustotheROUandthenTXD2blinksIfresponesdataisreceivedfromROU,RXD2LEDblinksOEUOpticCompOperationTheOEUhasthefunctionofautomaticallycompensatingforopticalcalbeloss.Itcandotheworkforupto5dBoofopticalloss.Set“TXOPTICCOMP”ofOEU’sopticas"ON."OpticalcompensationoftheOEUcannotbemadewithoutcommunicationwiththeODU.For1dBoofopticalloss,TXOPTICATTis1dB;for5dBoofopticalloss,TXOPTICATTis4dB.OPTICCOMPworksonlyonetimebeforeitstaysdormant.ThefigurebelowshowsascreenforOPTICInformationintheOEUGUI.LDPOWERreferencestheoutputlevelofOEULaserDiode,whichissenttoaupperunitbytheOEU.PDPOWERreferencestheinputlevelofPhotoDiodetobereceivedfromaupperunit.Figure6.17–OEUOpticalinformation
Confidential&Proprietary116/122 SC‐DASNormalLDpowerlevelistypically+7dBm±1dBm,PDpowerisrangeof+1dBmto‐5dBm.TheresultsvalueissametotheROU’sopticallosscompensation(seetheROUmoredetail)LiketheROU,theOEUperformsopticallosscompensationautomaticallywhentheOEUcommunicateswithupperODUfirst.Duringopticalcompensation,theResultwindowshows"Processing"andthenaresultvalueisdisplayed.Therearethreetypesofresultsasfollows:1. Success:Theopticalcompensationisnormallymade.2. OverOpticLoss:Generatedopticallossis5dBoormore.3. CommunicationFail:CommunicationwithROUisinpoorconditin.TheOEUcanbeinsertedwithtwoDOUs.TheDOU’sbehaviorisexactlysametotheODU(SeetheODUformoredetail)IfOEUdoesnotmakeopticalcompensation,therewillbeerrorsinthesystemlinkbudget.ItcancauselowoutputlevelsormakeSpuriousEmissionsdetrimentaltothesystem.
Confidential&Proprietary117/122 SC‐DAS
Confidential&Proprietary118/122 SC‐DASSection7 Additivefunctions7.1Shutdownfunction7.2Totalpowerlimitfunction7.3AutomaticOutputpowersettingfunction7.4InputpowerAGCfunction7.5Inputpowerlimitfunction7.6Opticlosscompensation
Confidential&Proprietary119/122 SC‐DASThischapterdescribesadditivefunctionsofSC‐DAS7.1 Shutdownfunction(TXoutputshutdown)TheDAShasanautomaticshutdownfunctiontoprotecttheDASitselfandthewirelessnetworkwhenthenormaloperationalconditionscannotbemaintainedShutdownistriggeredautomaticallywhenthecompositepowerdownlinkoutputisabovethevaluesdefinedasaverageforthedeviceforaperiodnottoexceed5seconds.CriticallevelsaresetthroughtheGUIAfterautomaticshutdown,thesystemmayautomaticallyturn‐oninordertoassesswhetherthetemporaryconditionhaschanged.Iftheconditionisstilldetected,theDASshallshutdownagain.Thisactionwillberepeated5timesAfterThe5thtime,iftheconditionisstilldetected,theDASwillbeshutdownpermanently.ThefollowingdiagramshowstheshutdownlogicFigure7.1–ShutdownlogicdiagramAftertheretrylogicexhaustsitself,theDASwillshutdownpermanentlyandilluminatethefaultviavisualfaultindicatorPermanentshutdownsoftheDASwillalsobereportedtotheNOCthroughtheNMS7.2 TotalPowerLimitfunction(TXOutputALC)InordertoprotecttheHPAandnottoradiatespuriousemissions,outputpowersislimitedtoadefinedvaluewhichissetbytheoperatorinadvance.Toexecutethisfunction,operatorshouldturn‐ontheALCfunctionandsetlimitlevelthroughtheGUI.Iftheoutputpowerexceedsthedefinedvalue,theoutputattenuatorisadjustedtoreturnitwithindefinedvalue.Theoutputattenuator’sadjustmentrangeis25dBmax.Ifoutputpowerdecreases,attenuationisdecreasedusingtheAGCfunctiontoreturntotheinitialattenuationlevel.
Confidential&Proprietary120/122 SC‐DAS7.3 AutomaticOutputpowersettingfunction(TXOutputAGC)Toprovideconvenienceofsettingoutputpoweratinitialsetupautomatically,setoutputtodesiredlevelandturn‐ontheAGCfunction.Theoutputpowerisautomaticallysettodefinedlevel.AfterAGClogiciscomplete,logicoperationresultswillshowontheresultwindowoftheGUI.Therearethreetypesofresultsasfollows1. Success:TheAGSfunctionisnormallycompleted.2. NotOpterateOPTICComp:OpticCompisnotexecuted.3. LackofATT:Thereisnoattenuationavailable.Ifnormallogiccan’tbeexecuted,changedATTwillreturntoinitialATTThroughtheoutputAGCfunction,itcanbeverifiedwhetheropticcompensationisexecutedornot.7.4 InputpowerAGCfunction(TXInputAGC)Thisfunctionistohelptheoperatorwithinitialsettingduringinstallation.Withoutaspectrumanalyzer,wecanseetheinputpowervaluethroughpowerdisplaywindowoftheGUI.UsetheTXINAGCfunctionandautomaticallysettheinternalATTdependingontheinputlevel.TheATTisautomaticallysetbasedon‐20dBminput.ThetablebelowshowsTXINATTdependingonTXINPOWER.Formanualsetting,youcansetATTdependingoninputaccordingtothetable.TXINPOWERTXINATTTXINPOWERTXINATTTXINPOWERTXINATT‐20dBm0dB ‐9dBm11dB+1dBm21dB‐19dBm1dB ‐8dBm12dB+2dBm22dB‐18dBm2dB ‐7dBm13dB+3dBm23dB‐17dBm3dB ‐6dBm14dB+4dBm24dB‐16dBm4dB ‐5dBm15dB+5dBm25dB‐15dBm5dB ‐4dBm16dB+6dBm26dB‐14dBm6dB ‐3dBm17dB+7dBm27dB‐13dBm7dB ‐2dBm18dB+8dBm28dB
Confidential&Proprietary121/122 SC‐DAS‐12dBm8dB ‐1dBm19dB+9dBm29dB‐11dBm9dB0dBm20dB+10dBm30dB‐10dBm10dB7.5 Inputpowerlimitfunction(TXInputALC)TheDAShasaTXinputALCfunctionattheBIUtolimitlevelwheninputpowerisincreasedabovelevelbyoperatedinputAGCfunctionNormally,therearenomorethantwoinputportsintheMDBUoftheBIUForexample,the850cellularbandhastwoinputportstosupportbothVzWandAT&TThesetwoinputpowersmaybedifferentfromeachother.TheDAShasaninputattenuatorinfirststageoftheMDBU.ThroughinputAGCfunction,theinputATTisadjustedaccordingtotheinputpower.Ifinputpowerincreases,theinputATTisadjustedagaintolimitincreasedinputpowerandiftheinputpowerdecreases,theinputATTwillreturntotheinitialATTsetting.7.6 OpticallosscompensationTheDAShasthefunctionofautomaticallycompensatingforopticalloss.Itcandotheworkforupto5dBoofopticalloss.Set“TXOPTICCOMP”ofROUas"ON."OpticalcompensationofROUcannotbemadewithoutcommunicationtotheODUorOEU.For1dBoofopticalloss,basicTXOPTICATTis1dB;for5dBoofopticalloss,TXOPTICATTis4dB.OPTICCOMPworksonlyonetimebeforeitstaysdormant.ThefigurebelowshowsascreenforOPTICInformationintheROUGUI.LDPOWERreferencestheoutputlevelofROULaserDiode,whichissenttoaupperunitbyROU.PDPOWERreferencestheinputlevelofPhotoDiodetobereceivedfromaupperunit.
Confidential&Proprietary122/122 SC‐DASFigure7.2–OpticallossinformationDuringopticalcompensation,theResultwindowshows"Processing"andthenaresultvalueisdisplayed.Therearethreetypesofresultsasfollows:1. Success:Theopticalcompensationisnormallycompeted2. OverOpticLoss:Generatedopticallossexceed5dBoormore.3. CommunicationFail:CommunicationwithROUisunderpoorcondition.

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