Zte ZXSDR R8978 - Figure 3-6 DC Power Input Cable

Chapter3ProductComposition
Caution!
The10mm
2
DCpowercablecannotbedirectlyconnectedtotheZXSDRR8978,and
needstobeconvertedtoa4mm
2
DCpowercablethroughajunctionboxbeforeconnecting
totheZXSDRR8978.
TheZXSDRR8978doesnothaveanACpowerinterface.TheACpowershouldbe
convertedintoDCpowerthroughtheoutdoorACpowerlighteningprotectionboxand
thenconnectedtotheZXSDRR8978.
ExternalView
TheDCpowercableisablue-blackcable.Figure3-6showstheexternalview.
Figure3-6DCPowerInputCable
1.Copperwire
2.Shieldinglayer
3.-48Vcore
4.-48VGNDcore
SignalDescription
SignalNameSignalMeaningWireColor
-48V-48VpowerBlue
-48VGND-48VgroundBlack
Connection
If...Then...
Thejunctionboxisnotrequirediftheindoorpowerlighteningprotection
boxisneartotheZXSDRR8978andvoltagedropcanbeignored.
TheindoorDCpowerdistributionunit(withapowerswitch)connectsto
thelightingprotectionboxoftheindoorDCpowersupply.
UsetheDCpowersupply
withoutajunctionbox
ConnecttheZXSDRR8978totheindoorDCpowerlightingprotection
box(thereareatotalofthreeoutputsintheindoorDCpowerlighting
protectionbox,eachofwhichhasanairswitchandcanbeconnected
toanRRU).
3-7
SJ-20140808143736-001|2014-10-30(R1.1)ZTEProprietaryandCondential