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ManualsBrandsNokia Solutions and Networks ManualsElectronicsLTE 700 MHz Public Safety Base Station Transceiver
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LTEeNodeBIndoorHardwareInstallationRRHpowerconnections
RefertoFigure6-3forthelocationofthepowerconnectorontheRRHs.Therecanbetwo
methodsofsupplyingpowertotheBCUIIandRRH:
•Twoseparatepowersourcesareused.OnefortheBCUII(-48Vdc)andonefortheRRH
(+54Vdc).
•Asinglepowersource(-48Vdc)suppliespowertoboththeBCUII(-48Vdc)andtheRRH
(+54Vdc).Thepolaritymustbereversedwhenconnectingthecablestotheheadto
convertthepowersourceto+54Vdc.RefertoFigure6-1foragenericsystempower
cablingdiagramofthismethod.
68P09308A55-66-5
FEB2010