User's Manual Part 1

Confidential&Proprietary18/117 SC‐DAS
2.2 Systemoverview
SC‐DAScomprisesthecomponentslistedbelow.
ThebasesystemconsistsofaBIU(BTSInterfcaceUnit),anODU(OpticdistributionUnit)andaROU
(RemoteOpticUnit).ForusewithmultipleROU’s,ithasOEU(OpticExpansionUnit).
TheBIUhastwolayerwhichsupportbothSISOandMIMOconfiguration
usingseparateopticalfiber
cable.Fig2.1showsbasicsystemtopologyforSISO
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Figure1.1–BasicsystemtopologysupportingSISOconfiguration
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Figure2.2–BasicsystemtopologysupportingMIMOconfiguration