Table4-6AccessoriesforL-shapeSupportInstallation
NameExternalView
L-shapesupport
Chapter4RRUInstallation
Fixingclamp
RRUsupport
4-33
SJ-20160405141455-003|2018-01-03(R1.3)ZTEProprietaryandCondential
ZXSDRR8854HardwareInstallation
Steps
1.SecurethexingclamptotheadapterplatewithfourM10boltsandnutswithatorque
of40N•m,seeFigure4-36.
Figure4-36SecuringtheFixingClamp
2.FixtheRRUsupporttothebackoftheRRUwithfourM6screwswithatorqueof8
N•m,seeFigure4-37.
4-34
SJ-20160405141455-003|2018-01-03(R1.3)ZTEProprietaryandCondential
Figure4-37InstallingtheRRUSupport
Chapter4RRUInstallation
3.InstalltheRRUontheL-shapesupportalongtheguiderailofthexingclampand
tightenthecaptivescrewonthetopoftheRRUsupportwithanM6Allenhexwrench,
seeFigure4-38.
Figure4-38InstallingtheRRUontheL-shapeSupport
4-35
SJ-20160405141455-003|2018-01-03(R1.3)ZTEProprietaryandCondential
ZXSDRR8854HardwareInstallation
–EndofSteps–
4-36
SJ-20160405141455-003|2018-01-03(R1.3)ZTEProprietaryandCondential
Chapter5
CableInstallation
CableList
ItemLocalEquipmentInterconnectedEquipment
Ground-
ingCa-
ble
DC
Power
Cable
Optical
Cable
ExternalView
Connector
Type
Interconnected
Port
ExternalView
Connector
Type
Interconnected
Port
ExternalView
Connector
Type
Interconnected
Port(RRU-
BBU)
ExternalView
OTterminalOTterminal
LocalgroundingterminalofRRUGroundingbar
TubularterminalCold-pressedterminal
LocalpowerterminalofRRU,
madeonsite.
DLC,LCDLC,FC×2,LC,SC
Cable'sRRUendconnectedtothe
OPT1
UsedtoconnectDCPD,madeon
site.
Cable'sBBUendconnectedtothe
BBU
Connector
Type
Interconnected
Port(RRU-
RRU)
RF
Cable
SJ-20160405141455-003|2018-01-03(R1.3)ZTEProprietaryandCondential
ExternalView
Connector
Type
Interconnected
Port
DLC,LCDLC,LC
TheOPT2portoftheupper-layer
RRU
DIN-typemaleconnectorDIN-typemaleconnector
ANTportAntenna'sRFport
5-1
TheOPT1portofthelower-layer
RRU
ZXSDRR8854HardwareInstallation
ItemLocalEquipmentInterconnectedEquipment
AISG
Cable
MON
Cable
CableConnectionDiagram
ExternalView
Connector
Type
Interconnected
Port
ExternalView
Connector
Type
Interconnected
Port
DB15connectorAISGconnector
LocalAISG/MONportofRRURCU'sAISGportofthetunable
antenna
DB15connectorNakedcables
LocalAISG/MONportofRRUExternalmonitoringdevice
5-2
SJ-20160405141455-003|2018-01-03(R1.3)ZTEProprietaryandCondential
Figure5-1CableConnectionDiagram
Chapter5CableInstallation
1.DCpowercable
2.Opticalcable
3.Groundingcable
4.RFCable
TableofContents
InstallingtheProtectiveGroundingCable...................................................................
InstallingAntennaFeederCables...............................................................................
InstallingaMonitoringCable......................................................................................5-7
InstallingtheAISGCable...........................................................................................5-8
InstallingtheDCPowerInputCable.........................................................................5-10
InstallinganOpticalFiberCable...............................................................................5-15
UnusedInterfaceProtection.....................................................................................
5.1InstallingtheProtectiveGroundingCable
Thisproceduredescribeshowtoinstalltheprotectivegroundingcable.Theprotective
groundingcableisacopper-corecablewithacross-sectionalareaof16mm
5-3
5.AISG/MONCable
2
5-3
5-5
5-18
.
SJ-20160405141455-003|2018-01-03(R1.3)ZTEProprietaryandCondential
ZXSDRR8854HardwareInstallation
Steps
1.Routetheprotectivegroundingcablefromtheindoororoutdoorgroundingbusbarto
theRRU.
2.CrimpanOTterminalattheRRUendoftheprotectivegroundingcable.
3.Fixoneendoftheprotectivegroundingcabletothegroundingscrewatthebottomof
theZXSDRR8854,seeFigure5-2.
Figure5-2ConnectingtheProtectiveGroundingCabletotheGroundingBusbar
(Directly)
Note:
About30cmofthecableshoulddroopfreelybeforethecableisroutedtothepoleor
cabletray.
4.RemovetherustonthegroundingbusbarandcrimpanOTterminalattheotherend
oftheprotectivegroundingcable.
5.Connecttheotherendoftheprotectivegroundingcabletothegroundingbusbarand
xittoabolt,seeFigure5-2.
5-4
SJ-20160405141455-003|2018-01-03(R1.3)ZTEProprietaryandCondential
6.Bundleandlabelthecable.
7.Applyantirustpaintaroundthegroundingboltsonthegroundingbusbar.
–EndofSteps–
5.2InstallingAntennaFeederCables
Thisproceduredescribeshowtoinstallanantennafeedercable.
Therearetwotypesofantennafeedercables,antennafeedersandjumpers.Thedistance
betweentheRRUandtheantennadetermineshowtoinstallanantennafeedercable.For
details,refertoT able5-1.
Table5-1AntennaFeederCableInstallation
If...Then...
Chapter5CableInstallation
Thedistancebetweenthebasestationand
theantennaislessthanvemeters
Thedistancebetweenthebasestationand
theantennaisgreaterthanvemetersand
lessthan20meters
Afeederjumperisused.
A1/2"feederisused.
Steps
1.(Optional)Installaheat-shrinksleeveonthefeederconnectorifafeederconnector
needstobemadeonsite,seeFigure5-3.
Figure5-3MakingaFeederConnector
Note:
Ifthedistancebetweenthebasestationandtheantennaisgreaterthanvemeters,
bothfeedersandjumpersareusedforconnection.Inthiscase,feederconnectors
shouldbemadeonsite.
2.ConnectthefeedercabletotheantennafeederinterfaceontheRRUchassis,see
Figure5-4.
5-5
SJ-20160405141455-003|2018-01-03(R1.3)ZTEProprietaryandCondential
ZXSDRR8854HardwareInstallation
Figure5-4InstallingAntennaFeederCables
3.Fastenthefeederconnectorclockwisewithaadjustablewrench.
4.Protectthecableconnectorsagainstwater.Fordetails,refertoChapter10
WaterproongOutdoorConnectors.
5.Laytheantennafeedercableontheantennasideandbinditwithblackcableties.
Thefeedershouldbelaidverticallyatleast200mmfromtheloweredgeofthedevice
whenitisledoutfromthebottomoftheRRUchassis.Itshouldnotbebent.The
minimumbendingradiusofthefeedershouldnotbelessthan20timesthefeeder's
radius.Itisprohibitedtocoilthefeeder.
5-6
SJ-20160405141455-003|2018-01-03(R1.3)ZTEProprietaryandCondential
Chapter5CableInstallation
6.ConnecttheotherendofthefeedertotheANTinterfaceontheantenna.Take
waterproofmeasures.
7.Labelthefeedercablewithplastic.
8.Repeatsteps1through7toinstallotherfeedercables,seeFigure5-5.
Figure5-5ZXSDRR8854AntennaFeederConnectionDiagram
–EndofSteps–
5.3InstallingaMonitoringCable
Thisproceduredescribeshowtoinstallamonitoring(MON)cable.
Amonitoringcableisusedtoconnectthedrycontactinterfaceofanexternalmonitoring
device.
Steps
1.ConnectoneendofthemonitoringcabletotheAISG/MONinterfaceatthebottomof
theZXSDRR8854chassis,seeFigure5-6.
5-7
SJ-20160405141455-003|2018-01-03(R1.3)ZTEProprietaryandCondential
ZXSDRR8854HardwareInstallation
Figure5-6InstallingaMonitoringCable
2.Connecttheotherendofthemonitoringcabletothedrycontactinterfaceofthe
externalmonitoringdevice.
3.Bundleandlabelthecable.
–EndofSteps–
5.4InstallingtheAISGCable
AnAISGcablebetweentheRFmoduleandanRETantennaisusedtotransmitthesignals
toorfromtheRETantenna.
5-8
SJ-20160405141455-003|2018-01-03(R1.3)ZTEProprietaryandCondential
Chapter5CableInstallation
Steps
1.ConnectoneendoftheAISGinterfacecabletotheAISG/MONportontheZXSDR
R8854,seeFigure5-7.
Figure5-7InstallingtheAISGCable
2.ConnecttheotherendtotheAISGportontheRETantenna.
3.Bundleandlabelthecable.
–EndofSteps–
5-9
SJ-20160405141455-003|2018-01-03(R1.3)ZTEProprietaryandCondential