
Cablelayoutandinterconnections
PowerSupplyUnitwiring
ThreePowerSupplyUnitsareused,oneforeachTRXUtransceiverrack.Thecablesare
terminatedatterminalblocks;oneinsideeachPowerSupplyUnit,andoneoftherear
sideofeachTRXUrack.FromtheterminalblockontherearsideofeachTRXU,three
DCcablebundlesarefeduptotherearsideoftherackandterminatedwithplugson
thePowerConnectorPanel.TheACpowerprovidedbythePowerSupplyUnitsisalso
terminatedonthePowerConnectorPanel,anditisonlyusedtopowertheTRXUfans.
Allpowercables(ACandDC)areprovidedwiththePowerSupplyUnits.Maximum
cablelengthbetweeneachPowerSupplyUnitandtheTransceiverUnitis10meters.
PowerSupplyUnitsACmainswiring
TheACmainscablesforthethreePowerSupplyUnitsareconnectedtoTerminalBoard
1insideeachcabinet.
W246A
RevA
Powercabinets, ACinput
9
10
11
230Vac
230Vac
Ground
Terminalboard
inPowerCabinet
230Vac
input
ThePowerCabinetsisprovidedwithan ACmainscablereadilyconnectedtotheterminalboard.
Cablespecications
•Conductors:2.5mm²
•Screen:Separateconductor
•Voltage:600V
•Maximumdiameter:Limitedbythegrommetsonthecabinet
331549/B
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