Zte ZXSDR R8978 - Optical Fiber; Figure 3-8 Connection of the LMT;TST Interface Cable

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.
3-10
SJ-20140808143736-001|2014-10-30(R1.1)ZTEProprietaryandCondential