User's Manual

Confidential&Proprietary53/122 SC‐DAS
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4.4.5 BottomofROU
1)Functions
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(a)MRU(b)ARU
Figure4.36–ROUBottomview
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Item Description Remark
1.VHF/UHFARUPort
TerminalforTXandRXRFportsofVHFandUHF
TerminalforsignalporttointerfacewithVHFandUHF
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2.LEDPANEL
VisibleLEDindicatorpanelforcheckingfaultstatusUSBPortto
checkandcontroldevicestatusthroughPCandlaptop
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3.PowerPort AC120VinputportorDC‐48Vinputport
4.ARU/MRUPort
TerminalforTXandRXRFportsofMRU/ARU
TerminalforsignalporttointerfacewithMRU/ARU
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5.GNDLUGPORT Terminalforsystemground 
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PowerPort
A different type of power port is used supplying‐48V DC or 120V AC, and specific power
cable should be applied to each different type of ROU power supply (AC/DC or DC/DC).
Belowfigureshowsdifferentpowerconnectors.