User's Manual

Confidential&Proprietary68/122 SC‐DAS
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MONITORSMAportseenatthefrontpaneloftheMDBUallowsyoutocheckthecurrentlevelofTX
inputandRXoutputsignalsinservicewithoutaffectingmainsignals.
TXMONis‐20dBbelowTXInputpowerandRXMONis‐20dBbelowRXOutputpoweraswell.
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5.1.5 ODUInterface
TheBIUsupportsuptofourODUsperplatform.AttherearofBIU,eightRFinputandoutputports
fortheODUsaswellasfourpowerportsforpowersupplyandcommunicationareprovided.Asyou
connecttheODUs,theBIUrecognizestheODUthatisconnectedwithBIUautomatically
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Figure5.9–InterfaceportbetweenBIUandODU
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AttherearpartoftheODU,thenumberofRFPortsandSignalPortsareprintedinorder.Itsagood
ideatolabeltheseincaseadditionalODUsareneeded.
RFPort
ODUNumbering
TX RX
SignalPort
ODU1 #1 SISO_ODU#1
ODU2 #2 SISO_ODU#2
ODU3 #3 SISO_ODU#3
ODUSISO
ODU4 #4 SISO_ODU#4
ODU1 #1 MIMO_ODU#1
ODUMIMO
ODU2 #2 MIMO_ODU#2