Zte R8978 User Manual

ZXSDRR8978

TDD8PathRemoteRadioUnit

UserManual

Version:V5.10

ZTECORPORATION
No.55,Hi-techRoadSouth,ShenZhen,P .R.China
Postcode:518057
Tel:[phone]
Fax:[phone]
URL:http://support.zte.com.cn
E-mail:[e-mail]

LEGALINFORMATION

Copyright©2017ZTECORPORATION.

Thecontentsofthisdocumentareprotectedbycopyrightlawsandinternationaltreaties.Anyreproductionor

distributionofthisdocumentoranyportionofthisdocument,inanyformbyanymeans,withoutthepriorwritten

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contractualcondentialityobligations.

Allcompany,brandandproductnamesaretradeorservicemarks,orregisteredtradeorservicemarks,ofZTE

CORPORATIONoroftheirrespectiveowners.

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aredisclaimed,includingwithoutlimitationanyimpliedwarrantyofmerchantability,tnessforaparticularpurpose,

titleornon-infringement.ZTECORPORATIONanditslicensorsshallnotbeliablefordamagesresultingfromthe

useoforrelianceontheinformationcontainedherein.

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coveringthesubjectmatterofthisdocument.ExceptasexpresslyprovidedinanywrittenlicensebetweenZTE

CORPORATIONanditslicensee,theuserofthisdocumentshallnotacquireanylicensetothesubjectmatter

herein.

ZTECORPORA TIONreservestherighttoupgradeormaketechnicalchangetothisproductwithoutfurthernotice.

UsersmayvisittheZTEtechnicalsupportwebsitehttp://support.zte.com.cntoinquireforrelatedinformation.

TheultimaterighttointerpretthisproductresidesinZTECORPORATION.

RevisionHistory

RevisionVersionRevisionDateRevisionReason

R1.22016–08–17AddedS2600L

R1.12014-10-30AddedS2600M

R1.02014-08-06Firstedition

SerialNumber:SJ-201411 13151137-001

PublishingDate:2016-08-17(R1.2)

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Contents

AboutThisManual.........................................................................................I

Chapter1FCCRelatedStatements..........................................................1-1

Chapter2ProductOverview.....................................................................

2.1ProductPositioning............................................................................................2-1

2.2ProductFeatures................................................................................................

2.3ExternalView.....................................................................................................2-2

2.4ProductSpecications........................................................................................

2.4.1ZXSDRR8978S2300...............................................................................2-3

2.4.2ZXSDRR8978S2600M............................................................................

2.4.3ZXSDRR8978S2600L.............................................................................2-4

2.5ExternalInterfaces.............................................................................................2-5

2.6InstallationModes..............................................................................................2-6

2.7TypicalNetworkingApplications..........................................................................2-6

Chapter3ProductComposition...............................................................

3.1SystemStructure................................................................................................3-1

3.2Composition.......................................................................................................3-2

3.3LEDIndicators...................................................................................................3-3

3.4PhysicalInterfacesandCables...........................................................................

2-1

2-2

2-3

2-4

3-1

3-5

3.4.1ProtectiveGroundingCable......................................................................

3.4.2DCPowerInputCable..............................................................................

3.4.3LMT/TSTInterfaceCable..........................................................................

3.4.4OpticalFiber..........................................................................................

3.4.5AntennaFeederInterfaceCable...............................................................

3.4.6CAL/AISGInterfaceCable......................................................................

3.4.7EAM/RGPSInterfaceCable....................................................................3-14

3.5ExternalCableConnection...............................................................................

3.6SoftwareComposition.......................................................................................3-15

Chapter4OperationandMaintenance.....................................................4-1

4.1T echnicalSupport...............................................................................................4-1

4.2FaultLocation....................................................................................................4-2

4.3EquipmentMaintenance.....................................................................................4-3

4.4PowerOn..........................................................................................................

4.5PowerOff..........................................................................................................4-5

I

3-5

3-6

3-9

3-10

3-11

3-13

3-14

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4.6PartsReplacement.............................................................................................4-6

4.6.1ReplacingtheZXSDRR8978....................................................................4-6

4.6.2ReplacingtheOpticalModule....................................................................4-7

4.6.3ReplacingtheRFCable............................................................................

Chapter5AccessoryDevices...................................................................5-1

5.1JunctionBox......................................................................................................

5.2ACPowerLighteningProtectionBox...................................................................5-3

5.3ReplacingtheACPowerLightingProtectionBox..................................................5-6

Chapter6TechnicalSpecications..........................................................6-1

6.1PhysicalSpecications.......................................................................................6-1

6.2PerformanceIndexes.........................................................................................6-1

6.3PowerConsumption...........................................................................................

6.4ReliabilityIndexes..............................................................................................6-2

6.5GroundingRequirement......................................................................................

6.6LighteningandSurgeProtection.........................................................................

Chapter7EnvironmentRequirements.....................................................

7.1PowerSupplyRequirements...............................................................................

7.2OperatingEnvironment.......................................................................................7-1

7.3StorageEnvironment..........................................................................................7-2

4-8

5-1

6-2

6-3

6-3

7-1

7-1

Figures.............................................................................................................I

Tables............................................................................................................III

Glossary.........................................................................................................V

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AboutThisManual

Purpose

Thismanualdescribesthesoftwareandhardwarestructures,interfacesandcables,
functions,features,technicalspecications,installationmodes,networking,and
maintenancemethodsoftheZXSDRR8978.

IntendedAudience

Thismanualisintendedfor:

lBasestationinstallationengineers
lBasestationcommissioningengineers
lBasestationmaintenanceengineers

WhatIsinThisManual

Thismanualcontainsthefollowingchapters.

Chapter1,FCCRelated

Statements

Chapter2,ProductOverviewDescribestheexternalview,interfaces,functions,features,and

Chapter3,ProductCompositionDescribesthesystemstructure,hardwarecomposition,and

Chapter4,Operationand

Maintenance

Chapter5,AccessoryDevicesDescribestheaccessorydevices,includingjunctionbox,andAC

Chapter6,Technical

Specications

Chapter7,Environment

Requirements

DescribesthestatementsrelatedtoFCCrule.

typicalnetworkapplicationsoftheZXSDRR8978.

softwarecompositionoftheZXSDRR8978.

Providesthetechnicalsupportcontactinformation,power-onand

power-offow,andcomponentreplacementmethods.

powerlighteningprotectionbox,andthereplacementmethods.

ProvidesthetechnicalspecicationsoftheZXSDRR8978.

DescribestheenvironmentrequirementsoftheZXSDRR8978.

Conventions

Thismanualusesthefollowingconventions.

Danger:indicatesanimminentlyhazardoussituation.Failuretocomplycanresultin

deathorseriousinjury,equipmentdamage,orsitebreakdown.

Warning:indicatesapotentiallyhazardoussituation.Failuretocomplycanresultin

seriousinjury,equipmentdamage,orinterruptionofmajorservices.

I

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Caution:indicatesapotentiallyhazardoussituation.Failuretocomplycanresultin

moderateinjury,equipmentdamage,orinterruptionofminorservices.

Note:providesadditionalinformationaboutatopic.

II

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Chapter1

FCCRelatedStatements

Warning!

Changesormodicationstothisunitnotexpresslyapprovedbythepartyresponsiblefor
compliancecouldvoidtheuser’sauthoritytooperatetheequipment.

ThisequipmenthasbeentestedandfoundtocomplywiththelimitsforaClassAdigital
device,pursuanttoPart15oftheFCCRules.Theselimitsaredesignedtoprovide
reasonableprotectionagainstharmfulinterferencewhentheequipmentisoperatedin
acommercialenvironment.Thisequipmentgenerates,uses,andcanradiateradio
frequencyenergyand,ifnotinstalledandusedinaccordancewiththeinstructionmanual,
maycauseharmfulinterferencetoradiocommunications.Operationofthisequipment
inaresidentialareaislikelytocauseharmfulinterferenceinwhichcasetheuserwillbe
requiredtocorrecttheinterferenceathisownexpense.

Operationofthisequipmentinaresidentialareaislikelytocauseharmfulinterferencein
whichcasetheuserwillberequiredtocorrecttheinterferenceathisownexpense.

ThisequipmentcomplieswithFCCradiationexposurelimitssetforthforanuncontrolled
environment.Thisequipmentshouldbeinstalledandoperatedwithminimumdistance

10.2mbetweentheradiator&yourbody.

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Chapter2

ProductOverview

TableofContents

ProductPositioning....................................................................................................2-1

ProductFeatures........................................................................................................2-2

ExternalView.............................................................................................................2-2

ProductSpecications................................................................................................

ExternalInterfaces.....................................................................................................2-5

InstallationModes......................................................................................................

TypicalNetworkingApplications.................................................................................2-6

2.1ProductPositioning

TheZXSDRR8978isaneight-pathTD-LTERRUwithhighpower.ItoperateswithaBBU
tocovernewoutdoorsites.

2-3

2-6

TheZXSDRR8978workswithaBBUtocomposeacompleteeNodeBandimplementthe
functionssuchasradiotransmissioninthecoverageareaandradiochannelcontrol.

Figure2-1illustratesthepositionoftheZXSDRR8978inaL TEnetwork.

Figure2-1PositionoftheRRUinaNetwork

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ZXSDRR8978UserManual

2.2ProductFeatures

UniedPlatform

TheZXSDRR8978isdevelopedbasedontheuniedSDRplatform,whichsupports
smoothevolutiontonewtechnologiesinthefuture,andprotectstheoperators'investment
inmaximum.

Energyconservationandenvironmentalprotection

lDesignedwithhigh-efciencypowerampliertechnologies:CrestFactorReduction

(CFR),DigitalPre-Distortion(DPD)andDohertytoreduceequipment'spower
consumption.

lUsespassiveheatdissipationwithoutelectricalnoise,whichcansave35%power

consumptioncomparedwiththetraditionalairconditionertoeffectivelyreducethe
operators'powerconsumptioncost.

lSupportstheenergy-savingtechnologiessuchasslot-basedpowersavingand

voltageregulationpowersaving.

Multi-Carrier,MIMO,BF,andHighPerformance

lSupportsmultiplefrequencybandssuchas2.3GHz/2.6GHztosatisfythe

requirementsofvariousoperators.

lSupportsexiblecongurationofuptoTD-L TE4x20MHzmulti-carrierstofullyand

exiblyutilizetheoperators'spectrum.

HighOutputPower

Upto160W(8x20W)outputpowerisprovidedtosatisfythepowerrequirementsforhigh
capacityandlargecoverage.

10GbpsOpticalInterface

Two10GbpsCPRIopticalinterfacesareprovidedtosatisfytheTD-LTECPRIow
requirement.CPRIopticalinterfacemulti-modetransmissionissupported(the6Gbps
opticalinterfacerateisalsosupported).

2.3ExternalView

Figure2-2showstheexternalviewoftheZXSDRR8978.

2-2

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Figure2-2ExternalView

Chapter2ProductOverview

2.4ProductSpecications

TheZXSDRR8978isaneight-channelRRUthatanbeusedfornetworkingTD-L TEmacro
cells.

Inthismanual,allthedescriptionsfortheZXSDRR8978areapplicabletothefollowing
specicationsunlessspeciallystated:

lZXSDRR8978S2300
lZXSDRR8978S2600M
lZXSDRR8978S2600L

2.4.1ZXSDRR8978S2300

ForthekeyfeaturesoftheZXSDRR8978S2300,refertoTable2-1.

Table2-1KeyFeaturesoftheZXSDRR8978S2300

ItemDescription

RadioaccessmodeTD-LTE

Frequencyband2300MHz~2400MHz

AntennaSupports4×4MIMOdualTRXchannels.

MaximumnumberofcarriersTD-LTE:4×20MHz

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ItemDescription

Signalbandwidth80MHz

Maximumpoweroutputineachchannel20W

PowerinputDC:-48VDC

2.4.2ZXSDRR8978S2600M

ForthekeyfeaturesoftheZXSDRR8978S2600M,refertoT able2-2.

Table2-2KeyFeaturesoftheZXSDRR8978S2600M

ItemDescription

RadioaccessmodeTD-LTE

Frequencyband2496MHz~2690MHz

AntennaSmartAntenna

AC:100VAC/1 10VAC/220VAC

RET

8–pathtransceivingchannels

MaximumnumberofcarriersTD-LTE:4x20MHz2x20MHz

Signalbandwidth100MHz

Maximumpoweroutputineachchannel20W

Powerinput-48VDC

2.4.3ZXSDRR8978S2600L

ForthekeyfeaturesoftheZXSDRR8978S2600L,refertoT able2-3.

Table2-3KeyFeaturesoftheZXSDRR8978S2600L

ItemDescription

RadioaccessmodeTD-LTE

Frequencyband2575MHz~2635MHz

AntennaSmartAntenna

MaximumnumberofcarriersTD-LTE:3x20MHz

RET

8–pathtransceivingchannels

Signalbandwidth60MHz

Maximumpoweroutputineachchannel20W

Powerinput-48VDC

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2.5ExternalInterfaces

Chapter2ProductOverview

Figure2-3illustratestheexternalinterfacesoftheZXSDRR8978.

Figure2-3ExternalInterfaces

Foradescriptionoftheexternalinterfaces,refertoTable2-4.

Table2-4ExternalInterfaceDescription

ExternalDeviceDescriptionExternalInterface

BBUBBUperformsthefunctionssuchasGPS

synchronization,maincontrol,andbaseband

processing.

UEUEaccomplishestheUuinterfacefunctionsof

transmittingvoiceanddataservices.

UserdeviceExternalenvironmentmonitoringdeviceLogicalinterface:not

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Logicalinterface:Irinterface

Physicalinterface:optical

berinterface

Logicalinterface:Uuinterface

Physicalinterface:none

standardized

Physicalinterface:drycontact

ZXSDRR8978UserManual

ExternalDeviceDescriptionExternalInterface

RRULMTOperatesandmaintainstheRRUatthelocal

CascadeRRUUpstreamRRULogicalinterface:Irinterface

•ExternalinterfacesexcludethepowerandantennainterfaceoftheRRU.

TheLMTattheBBUsidecanoperateandmaintainmultipleRRUsundertheBBU.ZTE
NetNumen™EMSprovidesuniedoperationandmaintenanceonmultiplesites.

2.6InstallationModes

TheZXSDRR8978supportsthreeinstallationmodes:

Logicalinterface:not

end

Note:

standardized

Physicalinterface:Ethernet

interface

Physicalinterface:optical

berinterface

lAsingleRRUmountedonapole
lTwoRRUsmountedonapole
lMountedonawall
lMountedonslotsteel
lMountedonanglesteel

2.7TypicalNetworkingApplications

TheZXSDRR8978supportsthefollowingnetworkingsolutions:
lChainnetworking

Chainnetworkingappliestostrip-shapedareaswithsparsepopulation,whereoptical
berscanbelaidconveniently.Figure2-4showsachainnetworkingsolution.

Figure2-4ChainNetworking

lStarnetworking

Inastarnetworkingsolution,aBBUisconnectedtoeachRRUandtheRRUis
theterminalequipment.Thisnetworkingtypeissimpleandeasyformaintenance

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Chapter2ProductOverview

andengineering.Becausethesignalpassesthroughfewerintermediatelinksalong
thetransmissionpath,thelinkreliabilityismuchhigher.Figure2-5showsastar
networkingsolution.

Figure2-5StarNetworking

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3.1SystemStructure

Chapter3

ProductComposition

TableofContents

SystemStructure........................................................................................................3-1

Composition...............................................................................................................3-2

LEDIndicators............................................................................................................

PhysicalInterfacesandCables..................................................................................3-5

ExternalCableConnection.......................................................................................

SoftwareComposition..............................................................................................3-15

Figure3-1showsthesystemstructureoftheZXSDRR8978.

Figure3-1SystemStructure

3-3

3-14

Table3-1describesthesubsystemsoftheZXSDRR8978.

Table3-1SubsystemDescription

NameTypeFunction

RRUsoftware

subsystem

TransceiverHardware

8T8RlterunitHardware

StructuresubsystemStructure

Software

subsystem

subsystem

subsystem

subsystem

ProvidesthesystemoperatingsystemandOMfunctions

lPowerinterface

lOpticalinterface

lControlfunctions

lClockfunctions

lDIF

lTRX

Eight-channellter

Providesequipmentprotection,heatdissipation,and

installation,andmodulestructure,heatdissipation,and

installation.

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ZXSDRR8978UserManual

3.2Composition

Figure3-2showsthecompositionoftheZXSDRR8978.

Figure3-2ProductComposition

1.Radiatingpin

2.Handle

3.LEDindicators

4.Operationandmaintenance
cavity

5.Antennainterface

6.CAL/AISGinterface

7.Groundingbolt

8.Breathablevalve

9.EAM/RGPSinterface

lTheoperationandmaintenancecavitycontainsoneDCpowerinterface,twooptical

interfaces(OPT1andOPT2),oneRRULMT/testinterface(LAM/TST).

lTheequipmenthassixLEDindicators.
lAhandleisinstalledontheuppershelltofacilitateinstallationandtransportation.
lAtthebottomoftheequipment,thereareeightantennainterfaces(ANT1–ANT8),one

hermeticseal(breathablevalve),oneantennacalibrationinterface(CAL/AISG),and
onedrycontractuserdeviceinterface(EAM/RGPS).

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Chapter3ProductComposition

Note:

TheLMT/TSTinterfaceisusedforZTEmaintenancepersonneltoperformcommissioning
andmaintenance.

3.3LEDIndicators

Anindicatorindicatestheoperatingstatusofadevice.Figure3-3showsthepositionsof
theindicators.

Figure3-3LEDIndicators

Table3-2describestheLEDindicators.

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Table3-2IndicatorDescriptions

NameIndicationColorDescription

RUNOperation

indicator

OPT1Indicatorof

opticalinterface

1

Green

Green

OFF:Thesystemisnotpowered.

ON:Thesystemispowered.Thesoftwaresystemisnot

running.

Flashingslowly(ONfor1sandOFFfor1s):Thesystemis

powered.Thesoftwaresystemisbeingstarted.

Flashingnormally(ONfor0.3sandOFFfor0.3s):The

systemispowered.Thesoftwaresystemhasbeenstarted.

ThecommunicationbetweentheRRUandBBUisnormal.

Flashingfast(ONfor70msandOFFfor70ms):Thesystem

ispowered.Thesoftwaresystemhasbeenstarted.Thelink

betweentheZXSDRR8978andBBUisnotestablished.

OFF:Thereisnoalarm. ALMAlarmindicatorRed

ON:Thereisanalarm.

OFF:Theopticalinterfacedoesnotreceiveopticalsignals.

ON:Theopticalinterfacehasreceivedopticalsignalsand

thelinkisnotsynchronized.

Flashing(ONfor0.3sandOFFfor0.3s):Theopticalinterface

hasreceivedopticalsignalsandthelinkissynchronized.

OPT2Indicatorof

opticalinterface

2

VSWRIndicatorof

theVSWRat

theantenna

interface

ACTRadiolink

statusindicator

•TheALMindicatordoesnotindicatealarmsoftheopticalinterfaces(OPT1andOPT2)andVSWR
alarmsattheantennainterfaces.

Green

Red

Green

OFF:Theopticalinterfacedoesnotreceiveopticalsignals.

ON:Theopticalinterfacehasreceivedopticalsignalsand

thelinkisnotsynchronized.

Flashing(ONfor0.3sandOFFfor0.3s):Theopticalinterface

hasreceivedopticalsignalsandthelinkissynchronized.

OFF:VSWRsatallantennainterfacesofthetransmitting

linksarenormal.

ON:ThereisaVSWRalarmattheantennainterfaceofthe

transmittinglink.

SolidON:Indicatesthattheradiolinksaresuccessfully

established,andcellsareestablished.

OFF:Indicatesthatnoradiolinksareestablishedor

establishmentfailed,andnocellexists.

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3.4PhysicalInterfacesandCables

3.4.1ProtectiveGroundingCable

Function

Theprotectivegroundingpointislocatedatthebottomofthehandle.

Theprotectivegroundingcableprovidesprotectivegroundforthesystem.Thereareatotal
oftwoboltsthatprovideagroundingconnectiontotheZXSDRR8978.Thegroundingbolt
canbeconnectedwithadualholeOTterminalthatcomplieswiththeGR1089specication.
TheOTterminalcanbeconnectedtothe16mm

ExternalView

Chapter3ProductComposition

2

multi-coresyellow-greencopperwire.

Theprotectivegroundingcableisa16mm
externalview.

Figure3-4ProtectiveGroundingCable

2

yellow/greencable.Figure3-4showsthe

Connection

EndAisconnectedtothegroundinginterfaceoftheZXSDRR8978.EndBisconnected
totheexternalgroundingbar.

Note:

TheconnectionareaofthegroundingboltandOTterminalshallnotbelessthanthearea
oftheOTterminal,andtheconnectionresistancemustbelessthan50mΩ.

Figure3-5illustratesthecableconnection.

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ZXSDRR8978UserManual

Figure3-5ConnectionoftheProtectiveGroundingCable

Note:

Thetwoboltsontheleftareusedforinstallingtheprotectivegroundingcable.Thebolton
therightisonlyusedforxinganddoesnotconnecttoanycable.

3.4.2DCPowerInputCable

Function

TheDCpowerinputinterfaceislocatedintheoperationandmaintenancecavityofthe
ZXSDRR8978.

TheDCpowerinputcableleadstheexternalDCpowerintotheoperationandmaintenance
cavityoftheZXSDRR8978.ItconnectstotheDCpowerthroughadual-coreDCbracket
andadual-coreDCconnector,toprovide-48VDCpowerinputfortheRRU.

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Chapter3ProductComposition

Caution!

The10mm
needstobeconvertedtoa4mm

2

DCpowercablecannotbedirectlyconnectedtotheZXSDRR8978,and

2

DCpowercablethroughajunctionboxbeforeconnecting

totheZXSDRR8978.

TheZXSDRR8978doesnothaveanACpowerinterface.TheACpowershouldbe
convertedintoDCpowerthroughtheoutdoorACpowerlighteningprotectionboxand
thenconnectedtotheZXSDRR8978.

ExternalView

TheDCpowercableisablue-blackcable.Figure3-6showstheexternalview.

Figure3-6DCPowerInputCable

1.Copperwire

2.Shieldinglayer

3.-48Vcore

4.-48VGNDcore

SignalDescription

SignalNameSignalMeaningWireColor

-48V-48VpowerBlue

-48VGND-48VgroundBlack

Connection

If...Then...

UsetheDCpowersupply

withoutajunctionbox

UsetheDCpowersupply

withajunctionbox

Thejunctionboxisnotrequirediftheindoorpowerlighteningprotection

boxisneartotheZXSDRR8978andvoltagedropcanbeignored.

TheindoorDCpowerdistributionunit(withapowerswitch)connectsto

thelightingprotectionboxoftheindoorDCpowersupply.

ConnecttheZXSDRR8978totheindoorDCpowerlightingprotection

box(thereareatotalofthreeoutputsintheindoorDCpowerlighting

protectionbox,eachofwhichhasanairswitchandcanbeconnected

toanRRU).

IfvoltagedropoccursduetothedistancebetweentheZXSDRR8978

andtheindoorDCpowerlightingprotectionbox,apowercablewitha

largerdiametersizeisneededtoreducethevoltagedropcausedbylong

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ZXSDRR8978UserManual

If...Then...

distancetransmission.Ajunctionboxisneededtoconvertthecablesto

adifferentsize.

TheindoorDCpowerdistributionunit(withapowerswitch)connectsto

thelightingprotectionboxoftheindoorDCpowersupply.

ConnectthejunctionboxtotheindoorDCpowerlightingprotection

box(thereareatotalofthreeoutputsintheindoorDCpowerlighting

protectionbox,eachofwhichhasanairswitchandcanbeconnected

toanRRU).

AftertheDCpowercableisconvertedbythejunctionbox,itcanbe

connectedtotheZXSDRR8978.

UsetheACpowersupply

withoutajunctionbox

ThejunctionboxisnotrequiredbecausetheACpowersupplyislowwith

alargevoltageandvoltagedropcanbeignored.

ConnecttheindoorACpowerdistributioncabinettotheoutdoorAC

powerlighteningprotectionbox(thereareatotalofthreeoutputsinthe

indoorACpowerdistributioncabinet,eachofwhichhasapowerswitch

andcanbeconnectedtoanRRU).

ConnecttheoutdoorACpowerlighteningprotectionboxtotheZXSDR

R8978.

Figure3-7illustratesthecableconnection.

Figure3-7ConnectionofDCPowerInputCable

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Note:

lThetwocoresoftheDCpowercableEndAshouldbewrappedwithatubeterminal.

AfterthetubeterminaliscrimpedandinsertedtothedualcoreDCconnector,theDC
powercablecanbeinsertedtothedualcoreDCsocketthroughtheDCconnector.

lTheEndBoftheDCpowercableisbareandconnectstotheexternalpowersupply.
lThetwoendsofthepowercablemustbemadeatthesite.

3.4.3LMT/TSTInterfaceCable

Function

TheLMT/TSTinterfaceislocatedintheoperationandmaintenancecavity.ItusesanRJ45
socket.

TheLMTinterfaceisusedfortheinteractionbetweentheLMTandZXSDRR8978through
anEthernetportusingTCP/IP.TELNETcommandlinesaresupported.

Chapter3ProductComposition

Connection

EndAisconnectedtotheLMTinterfaceintheoperationandmaintenancecavity.EndB
isconnectedtotheLMTorPC.

Figure3-8illustratesthecableconnection.

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ZXSDRR8978UserManual

Figure3-8ConnectionoftheLMT/TSTInterfaceCable

Note:

TheLMT/TSTinterfaceisusedforZTEmaintenancepersonneltoperformcommissioning
andmaintenance.

3.4.4OpticalFiber

Function

TheZXSDRR8978hastwoopticalinterfaces,OPT1andOPT2.Theyarelocatedinthe
operationandmaintenancecavity.LC-typeopticalberconnectorsaresupported.

IntheZXSDRR8978system,theopticalinterfaceshavethefollowingfunctions:

lOPT1andOPT2canconnecttheRRUtoanupstreamBBU,tocarrytheIQdataand

communicationsignalingbetweentheRRUandBBU.

lIftheRRUservesastheupstreamRRU.oneopticalinterfacecanbeusedtocascade

adownstreamRRU.

lIftheRRUservesasthedownstreamRRU,oneopticalinterfacecanbeusedto

cascadeanupstreamRRU.

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Chapter3ProductComposition

ExternalView

TheopticalberusesLC-typeconnectors.Figure3-9showstheexternalview.

Figure3-9OpticalFiber

Connection

EndAisconnectedtotheopticalports(OPT1andOPT2)oftheZXSDRR8978.EndBis
connectedtotheBBU/dowstreamRRU/upstreamRRU.

Figure3-10illustratesthecableconnection.

Figure3-10ConnectionoftheOpticalFiber

3.4.5AntennaFeederInterfaceCable

Function

Theantennafeederinterfaceislocatedontheexternallterattheequipmentbottom.It
usesN-typefemaleconnectors.

TheantennafeederinterfacecableconnectstheantennainterfaceoftheZXSDRR8978
totheantenna.Itisusedforthesignalreceivingandtransmissionattheantenna.

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ExternalView

Theantennafeederinterfacecableisa50Ωcablewithadiameterof1/2in(1in=25.4
mm).BothendsareN-typemaleconnectors.Figure3-11showstheexternalview.

Figure3-11AntennaFeederInterfaceCable

Connection

EndAisconnectedtotheANTinterfaceoftheZXSDRR8978.EndBisconnectedtothe
correspondinginterfaceofthemainantennafeeder.

Theantennafeederinterfacecableisa1/2inchjumper.Figure3-12illustratesthecable
connection.

Figure3-12ConnectionoftheAntennaFeederInterfaceCable

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3.4.6CAL/AISGInterfaceCable

Function

TheCALinterfaceislocatedattheexternallteratthebottomoftheZXSDRR8978.It
usesatype-Nfemaleconnector.

TheCALinterfacecableusedbytheZXSDRR8978usesajumperwithadiameterof1/2
inch.BothendsareN-typemaleconnectors.TheCALinterfacesupportsantennachannel
calibrationandAISGforRETantennas.

TheCALinterfaceintegratesAISGandantennacalibration.IfanRETantennaisused,the
CALinterfaceoftheZXSDRR8978isconnectedtotheintegratedinterfaceoftheantenna.

ExternalView

TheCALinterfacecableisanRFcablewithadiameterof1/2in(1in=25.4mm).Both
endsareN-typemaleconnectors.Figure3-13showstheexternalview.

Figure3-13CALInterfaceCable

Chapter3ProductComposition

Connection

EndAisconnectedtotheCALinterfaceoftheZXSDRR8978.EndBisconnectedtothe
CALinterfaceoftheantenna.

Figure3-14illustratesthecableconnection.

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ZXSDRR8978UserManual

Figure3-14ConnectionoftheCALInterfaceCable

3.4.7EAM/RGPSInterfaceCable

Function

Thedrycontact(EAM)interfaceislocatedattheexternallteratthebottomoftheZXSDR
R8978.Itusesaneight-coreroundconnector.ItsupportstheRGPSfunctionsandone
drycontractinputtotransparentlytransmittheexternaldevicestatus.

TheRGPSreceiverislocatedattheGPSreceivingantenna.Installedneartheantenna,
thesatellitecardtransmitstheoutputdigitalsignaltotheclockmaincontrolcardthrough
adifferentialline.BecausedigitalsignaltransmissionisnotaffectedbyRFsignal
attenuation,theremotedistanceislongandgoodreliabilityandmaintainabilityisensured.

Connection

EndAisconnectedtotheEAMinterfaceoftheZXSDRR8978.EndBisconnectedtothe
drycontactoutput/RGPSinterfaceoftheexternaldevice.

3.5ExternalCableConnection

Figure3-15illustratestheexternalcableconnection.

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Figure3-15ExternalCableConnection

Chapter3ProductComposition

3.6SoftwareComposition

TheZXSDRR8978softwaresystemiscomposedof:

lRFmanagement

IncludesRFmaincontrolandRFchannelmanagement.

lOAMadaptationsoftware

Providesanadaptationinterfaceforentireoperationandmaintenance.

ProvidesthefollowingOAMfunctions:congurationmanagement,version
management,performancestatistics,testmanagement,securitymanagement,
diagnostictest,systemcontrol,andcommunicationprocessing.

lOSS

UsesanSDRplatformarchitecture.

Providesthefunctionssuchasschedulingmanagement,memorymanagement,and
timermanagement.

lBSP

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ZXSDRR8978UserManual

Usesauniedarchitecturedesignandprovidesauniedinterfacefortheupperlayer.

lOS

UsestheLinuxsystemindependentlydevelopedbyZTE.

Figure3-16showsthesoftwarecompositionoftheZXSDRR8978.

Figure3-16SoftwareComposition

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4.1TechnicalSupport

Chapter4

OperationandMaintenance

TableofContents

TechnicalSupport.......................................................................................................4-1

FaultLocation.............................................................................................................

EquipmentMaintenance.............................................................................................4-3

PowerOn...................................................................................................................4-4

PowerOff...................................................................................................................

PartsReplacement.....................................................................................................4-6

ZTEtechnicalsupportcontractinformationispastedinaconspicuouspositioninthe
equipmentroom,seeFigure4-1.

4-2

4-5

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ZXSDRR8978UserManual

Figure4-1ZTETechnicalSupportContactInformation

4.2FaultLocation

Forthefaultlocationmethodsinroutinemaintenance,refertoT able4-1.

Table4-1FaultLocationMethods

MaintenanceMethodDescription

CheckingAlarmsand

OperationLogs

SJ-20141113151137-001|2016-08-17(R1.2)ZTEProprietaryandCondential

Thisisthemostcommonmethodfortroubleshooting.Bycheckingthe

alarmmanagementtaboftheoperationandmaintenancesystem,you

cancheckthealarmsandoperationlogs.

lCheckandanalysisofthecurrent,historicalalarmsandcommon

noticationsthroughthealarmmanagementtab,tondtheabnormal

status,locatingandhandlingfaults.

4-2

Chapter4OperationandMaintenance

MaintenanceMethodDescription

lBycheckingtheoperationlogsinusermanagement,youcan

tracesystemparametermodication,locaterelevantterminalsand

operators,anddiscoverthefaultscausedbymanualoperations.

PerformanceAnalysisBycheckingtheperformancemanagementtab,youcancreatedifferent

performancetesttasks,generatetherelevantperformancereportsto

determinethesystemperformanceindexes.Byanalyzingthisinformation,

youcanndtheloaddistributioninthenetworkandadjusttherelevant

networkparameters,toimprovetheintegratednetworkperformancein

time.

4.3EquipmentMaintenance

InstrumentandMeter

Analysis

ReplacementYoucanreplaceafaultypartwithasparepartorapeerpartthatoperates

Self-testThesystemperformsaself-testwhenitispoweredonagain.Duringthe

IntegratedMethodInactualoperation,allthemethodscanbeusedfortroubleshooting.Y ou

Auxiliaryinstruments,suchastestUE,signalinganalyzers,andbit

erroranalyzers,canbeusedforfaultanalysis,faultlocationand

troubleshooting.

properlyinthesystemtolocateafault.Forfaultlocationbyusing

thereplacementmethod,youneedtoperformrelevantoperationsin

accordancewiththereplacementproceduresdescribedinthismanual.

self-test,theindicatorsashinaccordancewithrelevantrules.Y oucan

locatefaultsbycheckingtheindicators.

canhandledifferentfaultsbasedonthefaultlocationmethodsandpast

experience.

ForadescriptionoftheZXSDRR8978equipmentmaintenance,refertoT able4-2.

Table4-2EquipmentMaintenance

ItemDescriptionFre-

CheckequipmentsurfaceCheckwhethertheequipmentisdamagedorcrackedQuarterly

Checktheequipment

cleancondition

ChecklabelsCheckwhethertheequipmentandcablelabelsareclean

CheckindicatorsInaccordancewiththedescriptionfortheindicators,check

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Checkwhetherthereisdepositeddustontheequipment

surface.Ifyes,youneedtocleanthedust.

andclear.

theindicatorstatus.Ifanyfaultoccurs,handleitassoon

aspossible.

4-3

quency

Quarterly

Quarterly

Monthly

ZXSDRR8978UserManual

4.4PowerOn

Beforepoweron,youneedtochecktheequipmentandcableinstallationindetail,
toensurethatalltheinstallationresultscomplywiththeengineeringinstallation
specications.

Figure4-2showsthepower-onow.

Figure4-2Power-onFlow

Caution!

ForadescriptionoftheZXSDRR8978power-onow,refertoTable4-3.

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Table4-3Power-onSteps

ItemPower-onSteps

Chapter4OperationandMaintenance

DCpower

supply

ACpower

supply

1.Turnontheswitchofthepowerdistributionunit,andcheckwhethertheequipment

outputvoltageisinthenormalrange.

2.TurnontheswitchoftheindoorDCpowerlightingprotectionboxoftheZXSDR

R8978.PowertheZXSDRR8978on,andtestwhethertheRRUinputvoltage

isinthenormalrange.

3.CheckwhethertheBBUindicatorortheRRUindicatorisnormal.

1.TurnontheswitchoftheACpowerdistributionunitoftheZXSDRR8978,and

checkwhethertheequipmentoutputvoltageisinthenormalrange.

2.CheckwhethertheBBUindicatorortheRRUindicatorisnormal.

Note:

Toavoidcurrentsurge,youneedtopowerontheRRUsinthecellsequenceevery30
s.Atthesametime,youcancheckwhetherthecablesofacellareconnectedproperly
throughtheBBUindicator.

4.5PowerOff

Power-offoftheZXSDRR8978includes:

lEmergencypower-off:occurswhentheequipmentroomisonre,oodingorinsmog.
lCommonpower-off:occursinsomeapplicationscenarios,forexample,equipment

ForadescriptionoftheZXSDRR8978power-offow,refertoT able4-4.

Table4-4Power-offSteps

moveorexpectedlocalpoweroutage.

ItemEmergencyPower-offCommonPower-off

DCpowersupplyTurnofftheairswitch

oftheindoorDCpower

distributionunit.

ACpowersupplyTurnofftheairswitchoftheindoorACpowerdistributionunit.

1.TurnofftheairswitchoftheDCpower

lightingprotectionboxoftheZXSDR

R8978.

2.TurnofftheairswitchoftheindoorDC

powerdistributionunit.

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4.6PartsReplacement

4.6.1ReplacingtheZXSDRR8978

LocatetheZXSDRR8978faultsthroughobservationandanalysis,anddeterminewhether
toreplacetheZXSDRR8978.ReplacingtheZXSDRR8978willinterruptalltheservices
carriedbytheZXSDRR8978.

Prerequisite

lVerifythehardwaretypeofthefaultyZXSDRR8978.PrepareaproperZXSDR

R8978.ThespecicationsoftheproperZXSDRR8978mustbeconsistentwiththe
faultyone.

lPreparethefollowingtools.

ToolFunction

WrenchInstallsoruninstallstheRFcables

M5crossscrewdriverInstallsoruninstallstheZXSDRR8978maintenancecavity,or

fastensthescrewsandprotectiongroundingcables.

WaterprooftapeProvideswaterproofprotectionfortheRFcableconnectors

StickerMarkstheconnectionofthecablestobereplaced(afterthe

replacement,allthecablesmustbereconnectedtotheplace

wheretheywere)

Moistureproofantistatic

bagandcarton

StoresthefaultyZXSDRR8978

Steps

1.PowerofftheZXSDRR8978.

2.OpenthecoveroftheZXSDRR8978maintenancecavitybyusingtheM5screwdriver.

3.Pastealabelateachendofeveryopticalber.

4.RemovethexscrewsfromthecablecrimperbyusingtheM5screwdriver .

5.PulluptheinsulatingpartofthedualcoreDCconnectoragainstthedirectionofthe

arrowmarkedontheshell.Pullouttheconnectoranduninstallthepowercables.

6.Pressthebluecrimperoftheber,andpulltheberoutoftheconnector.

7.UsetheM5crossscrewdrivertoremovethegroundingboltandremovetheprotective

groundingcable.

8.Removeallthewaterprooftapesfromthejumpersoftheantennaport.Uninstall

thejumperfromtheZXSDRR8978antennaportbyusingthewrenchwithinsulation
protectivetreatment.

9.UninstalltheAISG/EAMcable.

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Chapter4OperationandMaintenance

10.TightenthejackingscrewclockwiseandjacktheZXSDRR8978chassis.Then,loosen
theplate-pressingboltanti-clockwise.

11.PulluptheZXSDRR8978fromthepoleorwall-mountingbracket,andremovethe
ZXSDRR8978.

12.Putthefaultyequipmentintothemoistureproofantistaticbag.Labeltheequipment
model,sectorIDandfaultinformationonthebag.Putthefaultyequipmentintothe
cartonandlabelthesameinformationastheantisaticbag.

13.Reinstallallequipmentpartsandtighteneveryscrew.

14.Connectallcableswithwaterproofandinsulationprotectivetreatment.

15.PowerontheZXSDRR8978.

16.TheZXSDRR8978performtheself-testprocessafteritispoweredon.Duringthe
self-test,youneedtoobservetheindicatorstatusandperformoperationsaccordingly .

If...Then...

Theindicatorisnormal,whichmeans

thatservicesarerestored.

Theindicatorisabnormal,whichmeans

thatservicesarenotrestored.

–EndofSteps–

4.6.2ReplacingtheOpticalModule

Theopticalmoduleprovidestheopticsandelectricalconversion.Replacingtheoptical
modulewillinterruptalltheservicescarriedontheopticalmodule.

Caution!

lTheopticalmodulesupportshotplugging.Beforehotplugging,youmustwearthe

antistaticwriststrap.

lDonotlookdirectlyattheopticalmoduleinsidewhenreplacingtheopticalber,

avoidingdamagetoyoureyes.

Theself-testandreplacementaresuccessful.

Troubleshootthefaultandhandletherelevantalarms,or

contactZTEtechnicalsupport.

Prerequisite

lPrepareaproperopticalmodule.
lTakearecordoftheconnectionpositionatbothendsofthefaultyopticalmodulesand

bers.Markthepositionsbetweentheopticalmoduleandbers.

ToolFunction

AntistaticwriststrapProvidesantistaticprotection

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ZXSDRR8978UserManual

ToolFunction

M5crossscrewdriverInstallsoruninstallstheZXSDRR8978maintenancecavity

StickerMarkstheconnectionofthecablestobereplaced(afterthe

replacement,allthecablesmustbereconnectedtotheplace

wheretheywere)

Moisture-proofantistaticbag

andcarton

Storesthefaultyopticalmodule

Steps

1.OpenthecoverofthemaintenancecavitybyusingtheM5screwdriver.

2.Pastealabelateachendofeveryopticalber.

3.Presstheblueclampoftheber,andpulltheberconnectoroutoftheopticalmodule
tobereplaced.

4.Pulltheopticalmoduleoutoftheslot.

5.Installtheproperopticalmoduleintotheslot.

6.Removethedustproofcap,andconnecttheberconnectortothenewopticalmodule.

7.Checkwhethertheopticalmoduleisoperatingproperlyinaccordancewiththe
indicatorstatus.

8.Tightentheberclampandclosethemaintenancecavity.

–EndofSteps–

4.6.3ReplacingtheRFCable

TheRFcabletransmitsorreceivesRFsignals.Locatethefaultsthroughobservationand
analysis,andensurethatwhethertoreplacetheRFcable.ReplacingtheRFcablewill
interruptalltheservicescarriedbytheZXSDRR8978.

Prerequisite

lPrepareaproperRFcabletobereplaced.

EachsitehasasetofRFcablescorrespondingtothesitetype.

àForBTSexpansionormodication,youcanselectasetofRFcables

correspondingtothesitetype.

àForreplacementofasingleRFcable,youcanselectaproperRFcablefromthe

RFcableset.

CheckwhetherthecoreconnectoroftheRFcableisproper.

lPreparethefollowingtools.

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Chapter4OperationandMaintenance

ToolFunction

WrenchInstallsoruninstallstheRFcable

WaterprooftapeProvideswaterproofprotectionfortheRFcableconnector

StickerMarkstheconnectionofthecabletobereplaced(afterthe

replacement,thecablemustbereconnectedtotheplacewhere

itwas)

Moisture-proofantistaticbag

andcarton

StoresthefaultyRFcable

Steps

1.PowerofftheZXSDRR8978.

2.RemovethewaterprooftapeoftheRFcable.

3.LoosentheconnectorsoftheRFcablesbyusingthewrench.

4.Putthefaultycableintothemoistureproofantistaticbag.Labelthecablemodel,sector
IDandfaultinformationonthebag.Putthefaultycableintothecartonandlabelthe
sameinformationastheantisaticbag.

5.ConnecttheproperRFcableinaccordancewiththepreviousconnection,seeFigure

4-3.

Figure4-3ConnectingtheRFcable

Caution!

Duringtheuninstallationprocess,takeofftheconnectorcarefully.Trynottodamage
theconnector.

6.WraptheRFcableconnectorswithwaterprooftape,seeFigure4-4.

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ZXSDRR8978UserManual

Figure4-4WaterproofTreatment

7.PowerontheZXSDRR8978.

8.TheZXSDRR8978performstheself-testprocessafteritispoweredon.Duringthe
self-test,youneedtoobservetheindicatorstatusandperformoperationsaccordingly .

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If...Then...

Chapter4OperationandMaintenance

Theindicatorisnormal,which

meansthatservicesarerestored.

Theindicatorisabnormal,which

meansthatservicesarenot

restored.

–EndofSteps–

Theself-testandreplacementaresuccessful.

Troubleshootthefaultandhandletherelevantalarms,or

contactZTEtechnicalsupport.

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Chapter5

AccessoryDevices

TableofContents

JunctionBox..............................................................................................................5-1

ACPowerLighteningProtectionBox..........................................................................5-3

ReplacingtheACPowerLightingProtectionBox.......................................................5-6

5.1JunctionBox

Function

WhentheDCpowersupplyisfarfromtheZXSDRR8978,toavoidvoltagedrop,a2×10
mm
bytheZXSDRR8978,the2×10mm
junctionbox.

2

DCpowercableneedstobeused.T oconnecttothe2×4mm

2

DCpowercableshouldbeconvertedthroughthe

2

DCpowercableused

ExternalView

Figure5-1showstheexternalviewofthejunctionbox.

Figure5-1JunctionBox

5-1

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ZXSDRR8978UserManual

Specications

Table5-1showsthespecicationsofthejunctionbox.

Table5-1JunctionBoxSpecications

NameSpecication

Height×Width×Depth233mm×119mm×55mm(excludingthehandleandwaterproofcap)

InstallationMode

ForsingleRRUpole-mountedinstallationorwall-mountedinstallation,thejunctionboxcan
beinstalledataside(recommended)orthefrontoftheRRUthroughanadaptor.Fortwo
RUUlpole-mountedinstallation,thejunctionboxneedstobeinstalledonthepole.

Figure5-2showshowtoinstallthejunctionboxatasideforexample.

Figure5-2JunctionBoxInstallation

InterfacesandCableConnection

Figure5-3showstheinterfacesandcableconnectionofthejunctionbox.

5-2

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Figure5-3InterfacesandCableConnection

Chapter5AccessoryDevices

InterfaceNameCableDescription

INPUT2×10mm

OUTPUT2×4mm

2

2

DCpowercable

DCpowercable

5.2ACPowerLighteningProtectionBox

Function

TheoutdoorACpowerlighteningprotectionboxisPPC33A009.ItprotectstheACcurrent
fromlighteningandcovertsACintotheDCthatisapplicablefortheZXSDRR8978.

ExternalView

Figure5-4showstheexternalviewoftheACpowerlighteningprotectionbox.

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ZXSDRR8978UserManual

Figure5-4ExternalView

Specications

Table5-2showsthespecicationsoftheACpowerlighteningprotectionbox.

Table5-2SpecicationsoftheACPowerLighteningProtectionBox

ItemSpecication

Height×Width×Depth300mm×250mm×118mm(excludingthe

handleandwaterproofcap

InstallationmodePole-mountedinstallation,all-mountedinstallation

Lighteningprotectionindex20kA

InstallationModes

TheACpowerlighteningprotectionboxcanbemountedonapoleorwall,seeFigure5-5.

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Figure5-5InstallationModes

Chapter5AccessoryDevices

InterfacesandCableConnection

OpentheACpowerlighteningprotectionboxandconnecttheinternalandexternalcables,
seeFigure5-6.

Figure5-6InterfacesandCableConnection

NameDescription

-220AC_L220VACliveline

-220AC_N220VAVneutralline

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ZXSDRR8978UserManual

NameDescription

-48VDC-48VDCneutralline

-48VDCRTN-48VDCearthline

PEProtectivegroundingcable

5.3ReplacingtheACPowerLightingProtectionBox

IftheACpowerlightingprotectionboxhasanabnormaloutputbuttheinputisnormal,it
hassomefaultsandshouldbereplacedimmediately.

Prerequisite

lVerifythehardwaretypeofthefaultyACpowerlightingprotectionbox.Preparea

properACpowerlightingprotectionbox.ThespecicationsoftheproperACpower
lightingprotectionboxmustbeconsistentwiththefaultyone.

lPreparethefollowingtools.

ToolFunction

WrenchInstallsoruninstallstheoutdoorACpowerlightingprotection

boxfromapole

M4Inner-hexagonwrenchInstallsoruninstallsthepole-mountedinstallationassemblies,

orfastenstheanti-theftscrews

M6crossscrewdriverInstallsoruninstallsthemountingplateandcablesofthe

outdoorACpowerlightingprotectionbox

WaterprooftapeProvideswaterproofprotectionforthecableconnectors

StickerMarkstheconnectionofthecablestobereplaced(afterthe

replacement,allthecablesmustbereconnectedtotheplace

wheretheywere)

Moistureproofantistaticbag

andcarton

StoresthefaultyACpowerlightingprotectionbox

Steps

1.PowerofftheZXSDRR8978.

2.Removethewaterprooftapefromthecables.UninstallthecablesoftheACpower
lightingprotectionboxbyusingtheM6screwdriver

3.Uninstalltheanti-theftscrewsbyusingtheM4Inner-hexagonwrench,anduninstall
themountingplatebyusingtheM6crossscrewdriver.TaketheACpowerlighting
protectionboxdownfromthepole.

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Chapter5AccessoryDevices

4.Putthefaultyequipmentintothemoistureproofantistaticbag.Labeltheequipment
model,sectorIDandfaultinformationonthebag.Putthefaultyequipmentintothe
cartonandlabelwiththesameinformationastheantisaticbag.

5.ReinstalltheproperACpowerlightingprotectionbox,fastentheanti-theftscrews,and
installthemountingplateandcables.Wrapthecableswiththewaterprooftape.

6.PowerontheZXSDRR8978.

–EndofSteps–

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Chapter6

TechnicalSpecications

TableofContents

PhysicalSpecications...............................................................................................6-1

PerformanceIndexes.................................................................................................6-1

PowerConsumption...................................................................................................6-2

ReliabilityIndexes......................................................................................................

GroundingRequirement.............................................................................................6-3

LighteningandSurgeProtection................................................................................

6.1PhysicalSpecications

Table6-1showsthephysicalspecicationsoftheZXSDRR8978.

Table6-1PhysicalSpecications

6-2

6-3

ItemSpecication

Dimensions(H×W×D)430mm×400mm×125mm

Weight≤22kg

Volume22L

6.2PerformanceIndexes

Table6-2showstheperformanceindexesoftheZXSDRR8978.

Table6-2PerformanceIndexes

ItemIndex

Supportedantennatypes

ReceiversensitivityTD-L TE:–105dBmperchannel

Frequencydeviation±0.05ppm

Dual-polarizedsmartantenna(acommonantennatype)

Eight–antennacirculararraysmartantenna

RETantenna

InstallationSupportsinstallationintheequipmentroom.

TheZXSDRR8978isgenerallyinstalledoutdoors.For

indoorinstallation,mountitonapoleorwall.

6-1

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ZXSDRR8978UserManual

ItemIndex

Maximumdistancebetweentheoutdoor

unitandtheantenna

FilterReplaceable

Opticalmodule

OpticalberNumberofcascade

Whethertherateis

downwardcompatible

Whethertheoptical

modulecanbe

replacedonsite

Rate2×6Gbps/2×10Gbps

levels/Maximum

distanceofacascade

level

12m

Yes

Yes

Onecascadelevel/10km

6.3PowerConsumption

Table6-3showsthepowerconsumptionspecicationsoftheZXSDRR8978.

6.4ReliabilityIndexes

Table6-3PowerConsumptionSpecications

ItemPowerConsumption

DL:UL=2:2400W

DL:UL=3:1580W

ForadescriptionofthereliabilityindexesoftheZXSDRR8978,refertoT able6-4.

Table6-4ReliabilityIndexes

ItemIndex

ProtectionlevelIP66

ProtectionmodeCastshell

MTBF>180000h

MTTR<60min

Availability>99.9994%

Serviceinterruptiontime<3min/year

AnnualReturnRate<2%

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6.5GroundingRequirement

Inpracticalapplications,thegroundingresistancemustbelessthan10Ω.

6.6LighteningandSurgeProtection

Table6-5showsthelighteningprotectionspecicationoftheZXSDRR8978.

Table6-5LighteningProtectionSpecication

ItemCurrent

Lighteningprotectionspecication20kA

Chapter6T echnicalSpecications

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7.1PowerSupplyRequirements

Chapter7

EnvironmentRequirements

TableofContents

PowerSupplyRequirements......................................................................................7-1

OperatingEnvironment...............................................................................................7-1

StorageEnvironment..................................................................................................7-2

Table7-1showstherequirementsforthepowersupplyoftheZXSDRR8978.

Table7-1PowerRequirements

ItemRequirement

DCpowersupply-48VDC(uctuationrange:-57VDCto–37VDC)

TheDCpowersupplymustsupporttheanti-reverseconnectionand

over-currentprotectionfunctions.

7.2OperatingEnvironment

ACpowersupply100VAC/110VAC/220VAC(uctuationrange:90VACto290VAC)

IftheACpowersupplyisused,theACpowerneedstobeconvertedintoDC

powerthroughtheACpowerlighteningprotectionboxandthenconnected

totheZXSDRR8978.

TheZXSDRR8978canoperateproperlyinthefollowingconditions:

ClimaticEnvironmentCondition

ItemDescription

Lowedtemperature-40℃

Highesttemperature55℃

Lowestrelativehumidity2%RH

Highestrelativehumidity100%RH

Temperaturechangerate0.5℃/min

Lowestatmosphericpressure70kPa

Highestatmosphericpressure106kPa

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ZXSDRR8978UserManual

ItemDescription

Solarradiation1120W/m

CondensationAllowed

Precipitation(rain,snow,andhail)Allowed

HumidityWetsurfaceisallowed

FreezingandfrostAllowed

2

BiologicalEnvironmentCondition

ItemDescription

PlantsMoldandfungusareallowed.

AnimalsRodentsandotheranimalsthatdamagetheproductareallowed,except

termites

ChemicalSubstanceEnvironmentCondition

ItemDescription

SaltfogAllowed

7.3StorageEnvironment

Toensurenormaloperationafterinstallation,theZXSDRR8978shouldbestoredina
packageinaplacewithgoodprotection.

ClimaticEnvironmentCondition

ItemDescription

Lowedtemperature-55℃

Highesttemperature70℃

Lowestrelativehumidity10%RH

Highestrelativehumidity100%RH

Temperaturechangerate1℃/min

Lowestatmosphericpressure70kPa

Highestatmosphericpressure106kPa

Solarradiation1120W/m

CondensationAllowed

Precipitation(rain,snow,andhail)Allowed

2

HumidityWetsurfaceisallowed

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Chapter7EnvironmentRequirements

ItemDescription

FreezingandfrostAllowed

BiologicEnvironmentCondition

ItemDescription

PlantsMoldandfungusareallowed.

AnimalsRodentsandotheranimalsthatdamagetheproductareallowed,excepttermites

ChemicalSubstanceEnvironmentCondition

ItemDescription

SaltfogAllowed

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Figures

Figure2-1PositionoftheRRUinaNetwork.............................................................2-1

Figure2-2ExternalView...........................................................................................

Figure2-3ExternalInterfaces...................................................................................2-5

Figure2-4ChainNetworking....................................................................................2-6

Figure2-5StarNetworking.......................................................................................2-7

Figure3-1SystemStructure.....................................................................................3-1

Figure3-2ProductComposition................................................................................3-2

Figure3-3LEDIndicators.........................................................................................3-3

Figure3-4ProtectiveGroundingCable.....................................................................

Figure3-5ConnectionoftheProtectiveGroundingCable.........................................3-6

Figure3-6DCPowerInputCable.............................................................................3-7

Figure3-7ConnectionofDCPowerInputCable.......................................................3-8

Figure3-8ConnectionoftheLMT/TSTInterfaceCable..........................................3-10

Figure3-9OpticalFiber..........................................................................................3-11

Figure3-10ConnectionoftheOpticalFiber............................................................

Figure3-11AntennaFeederInterfaceCable...........................................................3-12

Figure3-12ConnectionoftheAntennaFeederInterfaceCable..............................3-12

3-11

2-3

3-5

Figure3-13CALInterfaceCable.............................................................................3-13

Figure3-14ConnectionoftheCALInterfaceCable................................................3-14

Figure3-15ExternalCableConnection..................................................................3-15

Figure3-16SoftwareComposition..........................................................................

Figure4-1ZTET echnicalSupportContactInformation.............................................4-2

Figure4-2Power-onFlow.........................................................................................4-4

Figure4-3ConnectingtheRFcable..........................................................................4-9

Figure4-4WaterproofTreatment............................................................................4-10

Figure5-1JunctionBox............................................................................................5-1

Figure5-2JunctionBoxInstallation..........................................................................5-2

Figure5-3InterfacesandCableConnection.............................................................5-3

Figure5-4ExternalView...........................................................................................

Figure5-5InstallationModes....................................................................................5-5

Figure5-6InterfacesandCableConnection.............................................................5-5

3-16

5-4

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Figures

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Tables

Table2-1KeyFeaturesoftheZXSDRR8978S2300................................................2-3

Table2-2KeyFeaturesoftheZXSDRR8978S2600M.............................................

Table2-3KeyFeaturesoftheZXSDRR8978S2600L..............................................2-4

Table2-4ExternalInterfaceDescription....................................................................2-5

Table3-1SubsystemDescription..............................................................................3-1

Table3-2IndicatorDescriptions................................................................................3-4

Table4-1FaultLocationMethods.............................................................................4-2

Table4-2EquipmentMaintenance............................................................................4-3

Table4-3Power-onSteps.........................................................................................

Table4-4Power-offSteps.........................................................................................4-5

Table5-1JunctionBoxSpecications.......................................................................5-2

Table5-2SpecicationsoftheACPowerLighteningProtectionBox.........................5-4

Table6-1PhysicalSpecications..............................................................................6-1

Table6-2PerformanceIndexes................................................................................6-1

Table6-3PowerConsumptionSpecications............................................................

Table6-4ReliabilityIndexes.....................................................................................6-2

Table6-5LighteningProtectionSpecication............................................................6-3

2-4

4-5

6-2

Table7-1PowerRequirements.................................................................................7-1

III

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Tables

IV

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Glossary

AISG

-AntennaInterfaceStandardsGroup

ALM

-Alarm

ANT

-Antenna

BBU

-BaseBandUnit

BBU

-BaseBandUnit

BSP

-BoardSupportPackage

CFR

-CrestFactorReduction

DIF

-DigitalIF

DL

-DownLink

DPD

-DigitalPre-Distortion

EAM

-Electro-AbsorptionModulation

eNodeB

-EvolvedNodeB

GPS

-GlobalPositioningSystem

IP

-InternetProtocol

LMT

-LocalMaintenanceTerminal

LTE

-LongTermEvolution

MIMO

-Multiple-InputMultiple-Output

V

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ZXSDRR8978UserManual

MTBF

-MeanTimeBetweenFailures

MTTR

-MeanTimeToRecovery

OAM

-Operation,AdministrationandMaintenance

OS

-OperatingSystem

OSS

RET

-RemoteElectricalTilt

RF

-RadioFrequency

RGPS

-RemoteGPS

RRU

-RemoteRadioUnit

RRU

-RemoteRadioUnit

SDR

-SoftwareDenedRadio

TCP

-TransmissionControlProtocol

TD

-TimeDivision

TELNET

-T elecommunicationNetworkProtocol

TRX

-Transceiver

UE

-UserEquipment

UL

-Uplink

VSWR

-VoltageStandingWaveRatio

VI

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