Zte ZXSDR R8872A User manual

ZXSDRR8872A
MacroRemoteRadioUnit
HardwareReplacement
HardwareVersion:HV1.0
ZTECORPORATION
No.55,Hi-techRoadSouth,ShenZhen,P .R.China
Postcode:518057
Tel:[phone]
Fax:[phone]
URL:http://support.zte.com.cn
E-mail:[email protected]

LEGALINFORMATION
Copyright©2014ZTECORPORATION.
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UsersmayvisittheZTEtechnicalsupportwebsitehttp://support.zte.com.cntoinquireforrelatedinformation.
TheultimaterighttointerpretthisproductresidesinZTECORPORATION.
RevisionHistory
RevisionNo.RevisionDateRevisionReason
R1.02014-11-17Firstedition
SerialNumber:SJ-20141127113509-004
PublishingDate:2014-11-17(R1.0)
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Contents
AboutThisManual.........................................................................................I
Chapter1ZXSDRR8872AReplacement..................................................1-1
Chapter2CableReplacement...................................................................2-1
2.1ReplacingtheGroundingCable...........................................................................2-1
2.2ReplacingthePowerCable.................................................................................2-3
2.3ReplacingtheOpticalFiber................................................................................2-4
2.4ReplacingtheAntennaFeederJumperCable......................................................2-6
2.5ReplacingtheAISG/MONInterfaceCable............................................................2-8
Glossary..........................................................................................................I
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AboutThisManual
Purpose
Thismanualdescribesprecautionsandmethodsforreplacingthedeviceandcablesduring
themaintenanceontheZXSDRR8872A.
IntendedAudience
Thismanualisintendedfor:
lDeviceinstallationengineers
lMaintenanceengineers
WhatIsinThisManual
Thismanualcontainsthefollowingchapters.
Chapter1,ZXSDR
R8872AReplacement
DescribestheprecautionsandproceduresforreplacingtheZXSDR
R8872A.
Chapter2,Cable
Replacement
Describestheprecautionsandproceduresforreplacingdifferentcablesof
theZXSDRR8872A.
RelatedDocumentation
Thefollowingdocumentationisrelatedtothismanual:
lZXSDRR8872AMacroRemoteRadioUnitHardwareDescription
lZXSDRR8872AMacroRemoteRadioUnitHardwareInstallation
Conventions
Thismanualusesthefollowingconventions.
Note:providesadditionalinformationaboutatopic.
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Chapter1
ZXSDRR8872AReplacement
ThisproceduredescribeshowtoreplacetheZXSDRR8872Abytakingpole-mounted
installationasanexample.
TheZXSDRR8872Areplacementtakesabout30minutes.Duringreplacement,all
servicesrunningontheZXSDRR8872Aareinterrupted.
Prerequisite
lYouhaveacquiredthehardwarecongurationofthefaultyZXSDRR8872A,and
preparedanewZXSDRR8872Awiththesamespecicationsasthefaultyone.
lYouhaverecordedtheinformationofallcableconnectionstothefaultyZXSDR
R8872A,suchastheinterfacestowhichtheopticalbersandantennafeeder
jumpersareconnected.Thisinformationisusedforcorrectlyreconnectingthecables
tothenewZXSDRR8872Aafterthereplacement.
Steps
1.Stopoperatingtheequipment.
a.InformtheOMCadministratorthattheZXSDRR8872Awillbereplaced,andask
theadministratortoblockthecellscorrespondingtothissite.
b.PoweroffthefaultyZXSDRR8872A.
2.Removethefaultyequipment.
a.WearanESDwriststrap,andensurethattheESDwriststrapisgroundedsecurely.
IfnoESDwriststrapisavailableornoappropriateearthingpointisavailablefor
groundingtheESDwriststrap,wearantistaticglovesinstead.
b.Disconnectallrelatedcablesfromthefaultyequipment,andstickalabelon
thedisconnectedendofeachcable.Forhowtodisconnectthecables,referto
Chapter2CableReplacement.
c.Turntheadjustablewrenchincounterclockwisedirectiontoloosenthefastening
screwinthemiddle,toremovetheRRUchassisfromthemountingeargrooveof
thepole-mountedxingclamp,seeFigure1-1.
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ZXSDRR8872AHardwareReplacement
Figure1-1RemovingtheChassis
3.InstalltheequipmentbyreferringtotheZXSDRR8872AMacroRemoteRadioUnit
HardwareInstallation.
a.Installthenewchassis.
b.Accordingtotheinformationmarkedoncablelabels,reinstalltheremovedcables.
4.Makepower-onchecks.
Duringequipmentpower-on,checkwhethertheindicatorsaredisplayedincorrect
statuses,andperformthecorrespondingoperationaccordingtodifferentsituations.
ForthestatusdescriptionofeachindicatorontheZXSDRR8872A,refertotheZXSDR
R8872AMacroRemoteRadioUnitHardwareDescription.
lYes→Self-inspectionissuccessful.Gotothenextstep.
lNo→Troubleshootthefault,orcontactZTEtechnicalsupport.
5.NotifytheOMCadministratortounblockthecellscorrespondingtothissite.
6.HandlethefaultyZXSDRR8872A.
a.PutthefaultyZXSDRR8872Aintoamoisture-proofantistaticbag,markthe
equipmentmodel,sectorinformation,andfaultinformationonalabel,andstick
thelabelonthebag.
b.Putthebagcontainingthefaultydeviceintoacarton.Pastealabelonthecarton,
alsodescribetheequipmentmodel,sectorinformation,andfaultinformation.
c.ContactthelocalofceofZTEforrepairingthefaultyequipment.
–EndofSteps–
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Chapter2
CableReplacement
TableofContents
ReplacingtheGroundingCable..................................................................................2-1
ReplacingthePowerCable........................................................................................2-3
ReplacingtheOpticalFiber.......................................................................................2-4
ReplacingtheAntennaFeederJumperCable............................................................2-6
ReplacingtheAISG/MONInterfaceCable..................................................................2-8
2.1ReplacingtheGroundingCable
Replacingthegroundingcablewillresultinpower-offoftheZXSDRR8872Aand
interruptionofallservicescarriedbytheZXSDRR8872A.Itmaytakeabouttenminutes
toreplacethegroundingcable.
Steps
1.Recordthestatusesofalloutputswitchesintheexternalpowersupplycabinet,and
thenturnofftheoutputswitchcorrespondingtothepowercabletobereplaced.
2.Removethegroundingscrewsonthegroundingpointoftheequipment,andtakeoff
thecable,seeFigure2-1.
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ZXSDRR8872AHardwareReplacement
Figure2-1RemovingtheGroundingCable
3.Connectanewgroundingcable.Fordetailedoperations,refertotheZXSDRR8872A
MacroRemoteRadioUnitHardwareInstallation.
4.Closetheexternalpowersupplyswitch,andthenobservewhetherpower-related
indicatorsontheequipmentareinproperstatuses.Forthedescriptionabout
indicatorstatuses,refertotheZXSDRR8872AMacroRemoteRadioUnitHardware
Description.
lYes→Powersupplyisnormal.Gotothenextstep.
lNo→Troubleshootthefaultandconnectthepowercableagain,orcontactZTE
technicalsupport.
5.Handlethefaultycable.
a.Putthefaultycableintoamoisture-proofantistaticbag,markthecabletypeand
faultinformationonalabel,andthenstickthelabelonthebag.
b.Putthebagcontainingthefaultycableintoacarton,andstickthesamelabelon
thecarton,providingnecessaryinformationforcablerepair.
c.ContactthelocalofceofZTEforhandlingthefaultycable.
–EndofSteps–
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Chapter2CableReplacement
2.2ReplacingthePowerCable
ThepowercableisusedtoleadDCorACpowersuppliesfromtheexternalpowersupply
cabinettotheoperationandmaintenancecavityoftheZXSDRR8872A,providingpower
totheZXSDRR8872A.ThisproceduredescribeshowtoconnectaDCpowercable.
ReplacingtheDCinputpowercablewillresultinpower-offoftheZXSDRR8872Aand
interruptionofallservicescarriedbytheZXSDRR8872A.TheDCinputpowercable
replacementtakesabouttenminutes.
Prerequisite
AsparepowercablewiththesametypeandlengthastheDCinputpowercabletobe
replacedisavailable.
Steps
1.Takearecordoftheoutputswitchstatusoftheexternalpowersupplycabinet.Turn
offtheoutputswitchcorrespondingtopowercabletobereplaced.
2.Recordtheconnectioninformationatbothendsoftheoldpowercable,andthen
disconnectthepowercable.Thefollowingdescribeshowtodisconnectthepower
cablefromtheZXSDRR8872A.
a.Openthemaintenancecavity,andloosenthepowercablecrimpingclipatthe
entranceofthemaintenancecavity.
b.Pressthetoppolewiththescrewdriver,untilthepolecannotspringback.Pullout
thepowercablewiththetubularterminalfromtheterminalblock,seeFigure2-2.
Figure2-2RemovingtheTubularTerminals
Note:
Topullouttheplug,pulltheringattheplugwithngersandpullouttheplug
gradually.
3.Installanewcable.
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ZXSDRR8872AHardwareReplacement
a.InstallthenewDCinputpowercableinaccordancewiththepreviouslyrecorded
connectionrelationship.Fordetailedoperations,refertotheZXSDRR8872A
MacroRemoteRadioUnitHardwareInstallation.
b.Stickalabelonthepowercable.
Thelabelofthenewcablemustcontainthesameinformationasthatonthelabel
oftheoldcable.
c.Usethemultimetertoverifythatnoshortcircuitexistson-48VandGNDpower
cables.
lYes→Thepowercableisconnectedproperly.Gotothenextstep.
lNo→Troubleshootthefaultandconnectthepowercableagain,orcontact
ZTEtechnicalsupport.
4.Closetheexternalpowersupplyswitch,andthenobservewhetherpower-related
indicatorsontheequipmentareinproperstatuses.Forthedescriptionabout
indicatorstatuses,refertotheZXSDRR8872AMacroRemoteRadioUnitHardware
Description.
lYes→Powersupplyisnormal.Gotothenextstep.
lNo→Troubleshootthefaultandconnectthepowercableagain,orcontactZTE
technicalsupport.
5.Handlethefaultypowercable.
a.Putthefaultycableintoamoisture-proofantistaticbag,markthecabletypeand
faultinformationonalabel,andthenstickthelabelonthebag.
b.Putthebagcontainingthefaultycableintoacarton,andstickthesamelabelon
thecarton,providingnecessaryinformationforcablerepair.
c.ContactthelocalofceofZTEforhandlingthefaultycable.
–EndofSteps–
2.3ReplacingtheOpticalFiber
Replacingtheopticalberwillinterrupttheservicethatiscarriedontheber.Itmaytake
abouttenminutestoreplaceopticalbers.
Prerequisite
Aspareopticalberisavailable.Thesparecablemustbeofthesametypeasthecable
tobereplaced.
Steps
1.Disconnecttheoldcable.
a.Recordtheconnectionpositionatbothendsoftheopticalbertobereplaced,
andmarkthepositions.
b.Loosentheopticalbercrimpingclipattheentranceofthemaintenancecavity.
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Chapter2CableReplacement
c.Pressthebluelinecardatthefrontoftheopticalber,andremovetheopticalber
andopticalmodule(ifitneedstobereplaced)fromthemaintenancecavity,see
Figure2-3.
Figure2-3RemovingtheOpticalFiber
d.DisconnecttheopticalberfromtheBBU.
Note:
Ifthereplacedopticalberisnotdamaged,covertheberconnectorwithadustproof
captopreventtheconnectorgettingdirty.Iftheberconnectorisdirty,useapieceof
dust-freecottonclothoraber-cleaningboxtocleanit.
2.Connectanewopticalber.
a.Removethedustcapfromthenewopticalcableconnector,andstoreitproperly
forfutureuse.
b.ConnectoneendoftheopticalbertotheRRUandtheotherendtotheBBU
byreferringtothepreviousopticalconnection.Fordetailedcableinstallation
instructions,refertotheZXSDRR8872AEngineeringHardwareInstallation.
c.Stickalabelonthenewopticalber.
Thelabelmustcontainthesamecontentsasthelabelonthepreviousopticalber.
3.Checkwhetherindicatorsontheopticalberareinnormalstatuses.Forthe
descriptionaboutindicatorstatuses,refertotheZXSDRR8872AMacroRemote
RadioUnitHardwareDescription.
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ZXSDRR8872AHardwareReplacement
lYes→Theopticalberisconnectedsuccessfully.Gotothenextstep.
lNo→Troubleshootthefaultandconnecttheopticalberagain,orcontactZTE
technicalsupport.
4.Handlethefaultyopticalber.
a.Putthefaultycableintoamoisture-proofantistaticbag,markthecabletypeand
faultinformationonalabel,andthenstickthelabelonthebag.
b.Putthebagcontainingthefaultycableintoacarton,andstickthesamelabelon
thecarton,providingnecessaryinformationforcablerepair.
c.ContactthelocalofceofZTEforhandlingthefaultycable.
–EndofSteps–
2.4ReplacingtheAntennaFeederJumperCable
Replacingtheantennafeederjumpercablewillresultininterruptionofallservicescarried
bythecable.Itmaytakeabouttenminutestoreplacetheantennafeederjumpercable.
Prerequisite
AsetofRFcablesarespeciedfordifferenttypesofsites.
lIfRFcablesaretobereplacedforcapacityexpansiononasite,youcanuseasetof
RFcablesinaccordancewiththesitetype.
lIfasingleRFcableistobereplaced,youcanselectanRFcablewithanappropriate
lengthfromasetofcablesaccordingtothelocationwherethecableistobeused.
Steps
1.InformtheOMCadministratorthattheantennafeederjumpercablewillbereplaced.
Asktheadministratortoblockthecellsinthissite.
2.Disconnecttheoldcable.
a.Removethewaterprooftapefromtheantennafeederjumpercable.
b.Useawrenchtounscrewthefasteningscrewsoftheantennafeedercable
connectorandtheinterface.Takeofftheconnectorcarefully,seeFigure2-4.
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Chapter2CableReplacement
Figure2-4RemovingtheAntennaFeederJumperCable
3.Installanewcable.
a.InstallthenewRFcablewithbothendsconnectedtotheproperinterfacesin
accordancewiththepreviously-recordedconnectioninformation.
b.WaterprooftheRFconnectorsontwoendswithonelayerofinsulationtape,three
layersofwaterproofclay,andthreelayersofanti-ultraviolettapes.
c.CheckwhetherthecablecansendandreceiveRFsignalsproperly.
lYes→Thecableisconnectedproperly.Gotothenextstep.
lNo→Troubleshootthefaultandconnectthecableagain,orcontactZTE
technicalsupport.
d.Pastealabelonthenewcable.
Thelabelcontentshouldbeconsistentwiththatonthefaultyone.
4.NotifytheOMCadministratortounblockthecellscorrespondingtothissite.
5.HandlethefaultyRFcable.
a.Putthefaultycableintoamoisture-proofantistaticbag,markthecabletypeand
faultinformationonalabel,andthenstickthelabelonthebag.
b.Putthebagcontainingthefaultycableintoacarton,andstickthesamelabelon
thecarton,providingnecessaryinformationforcablerepair.
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ZXSDRR8872AHardwareReplacement
c.ContactthelocalofceofZTEforhandlingthefaultycable.
–EndofSteps–
2.5ReplacingtheAISG/MONInterfaceCable
ReplacingtheAISG/MONinterfacecablewillresultininterruptionofallservicescarried
bythecable.ItmaytakeabouttenminutestoreplacetheAISG/MONinterfaceber.
Steps
1.Removetheoldcable,seeFigure2-5.
a.RecordandmarktheconnectionpositionsatbothendsofthefaultyAISG/MON
interfacecable.
b.Turnthefasteningscrewsonthecableconnectorincounterclockwisedirection
withascrewdrivertoloosentheconnector.
c.Pullouttheconnectorsatbothendsofthecabletotakeoutthefaultycable.
Figure2-5RemovingtheAISG/MONInterfaceCable
2.Installanewcable.
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Chapter2CableReplacement
a.ConnectthenewAISG/MONinterfacecabletothecorrespondinginterfacesin
accordancewiththeoriginalpositionsoftheAISG/MONcabletobereplaced.For
detailedinstallationinstructions,refertotheZXSDRR8872AMacroRemoteRadio
UnitHardwareInstallation.
b.StickalabelonthenewAISG/MONinterfacecable.
Thelabelmustcontainthesamecontentsasthoseonthelabelontheprevious
cable.
3.Accordingtopurposesofdifferentinterfacecables,testwhetherthecorresponding
cablecanconnecttothedebuggingdevice,monitoringdevice,orAISGantenna
properly.Iftheconnectionisabnormal,checktheconnectionandconnectthecable
again.
lYes→Thecableisconnectedproperly.Gotothenextstep.
lNo→Troubleshootthefaultandconnectthecableagain,orcontactZTEtechnical
support.
4.Handlethefaultycable.
a.Putthefaultycableintoamoisture-proofantistaticbag,markthecabletypeand
faultinformationonalabel,andthenstickthelabelonthebag.
b.Putthebagcontainingthefaultycableintoacarton,andstickthesamelabelon
thecarton,providingnecessaryinformationforcablerepair.
c.ContactthelocalofceofZTEforhandlingthefaultycable.
–EndofSteps–
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ZXSDRR8872AHardwareReplacement
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Glossary
OMC
-Operation&MaintenanceCenter
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