User's Manual

Confidential&Proprietary39/122 SC‐DAS
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4.3 OEU(OpticExpansionUnit)
OEU is mainly used to remotely deliver signals for Campus clusters. At the upper part, this unit
combines with ODU and receives TX optical signals to convert them into RF signals. Then, it
regeneratesthesignalstosecureSNRandconvertsthemintoopticalsignals.Thesignalsaresentto
ROU throughopticalcables. When it receives RX optical signals from ROU, theunitconvertsthem
intoRFsignalstoregeneratethesignalsandthenconvertsthemintoopticalsignalstosendthemto
ODU.
InOEU,oneshelfcanbe equippedwithuptotwoDOUs. TheDOUisthesameasthemoduleused
forODU.UptofourOEUscanbeconnectedwithODU.
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Figure4.20–OEUataglance
4.3.1 SpecificationsofOEU
Item Spec. Remark
Size 482.6(19”)x88.1(2RU)x450 mm
Weight  9.5kg
Powerconsumption 40W
FullLoad