ZXSDRR8860EGU858UserManual
Figure1-4RUNNINGENVIRONMENTOFR8860EGU858
EquipmentfunctionsandinterfacesrelatedtotherunningofR8860EGU858areshown
inTable1-1.
Table1-1EQUIPMENTSRELATEDTOR8860EGU858RUNNING
ExternalSystemInterface
ExternalSystemFunction
Description
MS/UEUm/Uuinterface
Subscriberterminalequipment,
realizingvoiceanddataservice
transmissionthroughtheradio
interface.
BBU
Basebandresourcepool,
realizingGPSsynchronization,
maincontrol,andbaseband
processing.
CascadedRRU
Baseband-RFinterface(optical
interface)
RealizingRFprocessing
function
UserdeviceExternaldeviceinterface
Environmentmonitoring
devices,etc.
AntennaAntennafeederinterface
Receivingandsendingradio
signals
LMTLMTinterfaceLocalO&Mterminal
1-4
SJ-20101210110401-001|2010-12-06ZTEProprietaryandCondential