User's Manual

Confidential&Proprietary85/122 SC‐DAS

5.3.3 OpticalCabling
TheMRUmakestheoptical‐RFconversionofTXsignalsfromuppertheODUandOEUaswellasthe
RF‐ opticalconversionof RX signals. TheMRUhas one opticalmoduleinit. As WDM isusedin the
R_OPT module, two separate wavelengths (TX:1310nm, RX:1550nm) can be sent/received with one
fiberstrandatthesametime.TheMRUhasSC/APCconnectors.
Topreventthefiberinterfacefrombeingmarredwithdirt,itshouldbecoveredwithacapwhennot
installed.Fiberconnectorsshouldbecleanedalcohocoltoremovedirtbeforeinstallation.

Figure5.23–ROUopticalPortview

OnlytheMRUhasopticalport;thereisnoopticalportontheARU
5.3.4 GNDTerminalConnection
TheROUhasoneGNDterminalportonbottomside,asshownbelow