User's Manual

LTEeNodeBIndoorHardwareInstallationElectricalRequirements
ElectricalRequirements
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Cabinetvoltage
Therearetwobasicpowersystemtypes:
•RemoteRF-basedeNodeB:–48VdcRRH700MHz,2.1GHz,2.6GHz—forthistype,the
customercanusetheoptional–48VdcPDUfromMotorolaortheirowncircuitbreakers.
•Frame-basedeNodeB:+27Vdcframeradio700MHz—forthistype,the+27VdcPDU,
frameradios,andBCUIIareallco-locatedinthesamerack.
DCsupplyequipment,Maincircuitbreaker,andDCinputcable
TheDCsupplyequipment,maincircuitbreaker,andDCinputcablesaredeterminedbythe
sitecharacteristics.
Table2-2WireAWG(min90Cinsulationrating)andcircuitbreakersizingfor+27V
dcframesystems
LTEFDD
Numberof
Radios
Breakersize(A)
Wiresize
(AWG)
Maximumcable
length(m)
LTEFrame
31753/0AWG16
LTEFrame
21753/0AWG20
LTEFrame
21502/0AWG16
LTEFrame
21251/0AWG13
LTEFrame
11753/0AWG29
LTEFrame
11502/0AWG23
LTEFrame
11251/0AWG18
LTEFrame
11001AWG14
LTEFrame
1902AWG11
68P09308A55-62-7
FEB2010