SOLiD 19P8OI90I REPEATER User Manual

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Confidential&Proprietary1/122 SC‐DAS

SC‐DAS

InstallationandOperationManual

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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  

 

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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

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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

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Confidential&Proprietary6/122 SC‐DAS

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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

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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

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



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

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

#1 MDBU

#3 MDBU

SISO Side MIMO Side

MCDU’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

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

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



8 9 6 10

SISO SIDE MIMO SIDE

3 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

RCU

Cavity Filter

USB

(B type)

AC 120V

DC -48V

Power/

Control/

Status

MRFM

ANT(N-Female)

EX_PORT

RXD

Reset

ON TXD

ALM Opt

LOW

HIGH

From/To ODU

FSK TX

SC/APC

V/UHF RX

ARU TX

WDM

PD ARU RX

V/UHF TX

Power/

Control/

Status

EX_PORT

LOW

HIGH

MRU TX

MRU RX

USB

(B type)

FSK RX

RCU

Cavity Filter

ARFM

MRU 1900PCS+850C ARU 700LTE+AWS-1

RXD

Reset

ON TXD

ALM Opt

AC/

DC/

AC/

DC/

AC 120V

DC -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

RCU

1900P

Cavity Filter

USB

(B type)

Power/

Control/

Status

MRFM

ANT(N-Female)

EX_PORT

RXD

Reset

ON TXD

ALM Opt

LOW

From/To ODU

FSK TX

SC/APC

V/UHF TX

ARU TX

WDM

AC/

DC/

ARU RX

V/UHF RX

Power/

Control/

Status

EX_PORT

LOW

MRU TX

MRU RX

USB

(B type)

FSK RX

RCU

800I/900I

Cavity Filter

ARFM

1900P MRU 800I+900I ARU

AC/

DC/

RXD

Reset

ON TXD

ALM Opt

OPT SIU

AC 120V

DC -48V

AC 120V

DC -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

BPF

MRFM

RPSU

RCPU

R-OPTIC

OPTIC Port



(a)MRU1900PCS



BPF

ARFM

RPSU

RCPU



(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PORT

OpticPort

ANT

Port

RF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PORT

OpticPort

ANT

Port

RF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



①

②

③

④

⑤

③

④

⑤

②



(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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