Zte ZXSDR R8882 - 4.3 Cascade Networking; 4.4 Ring Networking

ZXSDRR8882HardwareDescription
ExternalView
ASingleModeFiber(SMF)cableisusedtoconnecttheZXSDRR8882chassistoaBBU.
EndAismountedwithawaterproofLCconnector,andendBismountedwithanLC
connector,asshowninFigure4-4.
Figure4-4FiberCableforConnectingaBBU
1.Outdoorwaterproof
assembly
AnSMFcablewithbothendsmountedwithawaterproofLCconnectorisusedtoconnect
twoRRUs,asshowninFigure4-5.
Figure4-5FiberCableforCascadingRRUs
SignalDenition
None
Connections
ThecableconnectionbetweenanRRUandaBBUisasfollows:
lEndAisconnectedtoanopticalinterface(OPT1,OPT2,orOPT3)ontheZXSDR
R8882chassis.
lEndBisconnectedtoanappropriateopticalinterfaceoftheBBU.
ThecableconnectionbetweentwocascadedRRUsisasfollows:
lEndAisconnectedtoanopticalinterface(OPT1,OPT2,orOPT3)onaZXSDRR8882
chassis.
lEndBisconnectedtoanopticalinterface(OPT1,OPT2,orOPT3)ontheother
ZXSDRR8882chassis.
4.6ExternalMonitoringCable
Function
TheexternalmonitoringcablesupportstheinteractionofsignalsbetweentheZXSDR
R8882systemandexternaldevices,includingtheinteractionofalarmsignals,
RS485/RS422controlsignals,anddrycontactsignals.
4-4
SJ-20111021104623-003|2012–01–30(R1.1)ZTEProprietaryandCondential