SOLiD 700P800P Multiple-Enclosure Booster System User Manual PS Manual SC MRU700PS800PS AC

SOLiD, Inc. Multiple-Enclosure Booster System PS Manual SC MRU700PS800PS AC

Users Manual_Rev1_part 3

 Confidential&Proprietary79/117 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80/117 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81/117 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82/117 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83/117 SC‐DASROUcomponentsTheROUhasthefollowingcomponents:No.UnitDescriptionRemarkMRU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)ARU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 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84/117 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85/117 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86/117 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MRU1900P+850CsupportingARU700LTE+AWS‐150WDualBand1900PsupportingARU900I+800I45WSingleBandMRU700LTE+AWS‐150WDualBandMRU700PS+800PS50WDualBandARU700LTE+AWS‐140WDualBandLEDDescriptionONPowerisnotsuppliedPowerissupplied.ALMNormalOperationAbnormalOperationOPTR‐OPTisnormaloperationR‐OPTisabnormalOperationTXDFlashingwhendatasendtoupperunitRXDFlashingwhendatareceivefromupperunit
 Confidential&Proprietary87/117 SC‐DAS900I+800I44WDualBand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(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88/117 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CommonPartChassisIncludingEWDM,ERF,EPSU,ECPU,19”,2U1EA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89/117 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.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.
 Confidential&Proprietary90/117 SC‐DAS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.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
 Confidential&Proprietary91/117 SC‐DASinstall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CommonPartShelf12WEWDMERFEPSUOEU_4DOU1EA23WOEU_8DOU2EA39W
 Confidential&Proprietary92/117 SC‐DASSection6 Operation6.1BIUOperation6.2ROUOperation6.3OEUOperation
 Confidential&Proprietary93/117 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94/117 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MDBUONGreen:MDBUisnormallypower‐supplied.ALMGreen:MDBUisnormal.Red:MDBUisabnormal;checkthealarmthroughRS‐232C.MCPU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.ALMGreen:BIUsystemisnormal.Red:BIUsystemisabnormal;checkthealarmthroughRS‐232C.MPSUONGreen:BIUisconnectedwithpowerandMPSUworksnormally.ALMGreen:DCoutputisnormal.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95/117 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.MakesuretoturnOFFunusedports.
 Confidential&Proprietary96/117 SC‐DASThetablebelowshowsoutputpowervsnumberofportsMDBUBandOutputlevel(Compositepower)No.ofMaxport(N)700LTE7dBm‐10*LOG(N)2850Cellular7dBm‐10*LOG(N)21900PCS8dBm‐10*LOG(N)2AWS‐18dBm‐10*LOG(N)2900I7dBm‐10*LOG(N)2800I7dBm‐10*LOG(N)2700PS7dBm‐10*LOG(N)2800PS7dBm‐10*LOG(N)2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
 Confidential&Proprietary97/117 SC‐DAS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.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).
 Confidential&Proprietary98/117 SC‐DASFigure6.6–MDBUModuleFailureinformationattheBIU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99/117 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100/117 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101/117 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ThelevelofDOU’sLaserdidoeistypically+1.5±1dBm.DOUshavevariousalarmsuchasLDPower
 Confidential&Proprietary102/117 SC‐DAS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6.2.1 ROUOperationTheROUisaone‐bodyenclosuretypeandislocatedataremoteclosetinthebuilding.It
 Confidential&Proprietary103/117 SC‐DAS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,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LEDDescriptionONPowerisnotsuppliedPowerissupplied.ALMNormalOperationAbnormalOperationOPTR‐OPTisnormaloperationR‐OPTisabnormalOperationTXDFlashingwhendatasendtoupperunitRXDFlashingwhendatareceivefromupperunit
 Confidential&Proprietary104/117 SC‐DAS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105/117 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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.
 Confidential&Proprietary106/117 SC‐DAS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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:
 Confidential&Proprietary107/117 SC‐DASROUBandPowerthatcanbemaximallysetSettingrangeRemark700LTE24dBm0~24dBmARU700LTE+AWS‐1700LTE(MIMO)28dBm0~28dBmMRU700LTE+AWS‐1850Cellular24dBm0~24dBmMRU1900PCS+850C1900PCS28dBm0~28dBmMRU1900PCS+850C31dBm0~31dBmMRU1900PCSAWS‐128dBm0~28dBmARU700LTE+AWS‐1900I26dBm0~26dBmARU900I+800I800I26dBm0~26dBmARU900I+800I700PS27dBm0~27dBmMRU700PS+800PS800PS27dBm0~27dBmMRU700PS+800PS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
 Confidential&Proprietary108/117 SC‐DAS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,TheROUhasuniqueserialnumberandalsoauniquesoftkey.
 Confidential&Proprietary109/117 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AfterturningontheswitchofthepowersupplyintheOEU,checkinformationoneach
 Confidential&Proprietary110/117 SC‐DAS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EWDMLDGreen:LaserDiodenormalstatusRed:LaserDiodeabnormalstatusPDGreen:PhotoDiodenormalstatusRed:PhotoDiodeabnormalstatus,inputopticpowerlowalarmDOU1,2LDGreen:LaserDiodenormalstatusRed:LaserDiodeabnormalstatusPD1Green:PhotoDiode(PD)ofopticport1isnormalRed:PDofopticport1isabnormalorinputopticpowerlowPD2Green:PhotoDiode(PD)ofopticport2isnormalRed:PDofopticport2isabnormalorinputopticpowerlowPD3Green:PhotoDiode(PD)ofopticport3isnormalRed:PDofopticport3isabnormalorinputopticpowerlowPD4Green:PhotoDiode(PD)ofopticport4isnormalRed:PDofopticport4isabnormalorinputopticpowerlowSystem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ALMGreen:OEUsystemnormal(noalarm)Red:OEUsystemabnormal(alarm)
 Confidential&Proprietary111/117 SC‐DAS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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)
 Confidential&Proprietary112/117 SC‐DAS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113/117 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114/117 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.Criterion value Shutdown 5sec 5sec 5sec 5sec 5sec 5sec permanently Shutdown 5sec 5sec 5sec
 Confidential&Proprietary115/117 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116/117 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117/117 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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