User's Manual

Confidential&Proprietary58/122 SC‐DAS
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This chapter describes how to install each unit and corresponding fiber cables, along with power
cablingmethod.
In detail, the chapter describes how to install shelves or enclosures of each unit, Power Cabling
method,OpticCablingand RFInterface.Furthermore,byshowingpowerconsumptionofmodules
installedineachunit,athePowerCablingbudgetiseasilydetermined.Last,itdescribesthequantity
ofcomponentsofmodulestobeinstalledineachunitalongwithanexpansionmethod.
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5.1  BIUInstallation
5.1.1 BIUShelfInstallation
Generally, the BIU is installed in a 19” standard rack. This unit has handles on each side for easy
placement.Withtwomountingholesoneachside,youcanfirmlyfixtheunitintoa19”rack.
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Figure5.1–RACKInstallation
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BIUhasthefollowingcomponents:
No. Unit Description Remark
Shelf IncludingMainBoard,19”,5U 1EA
MPSU Operate‐48VdcInput 1EA
MCPU WithEthernetPortandUSBPort 1EA
CommonPart
PowerCable‐48VdcInputwithtwolugterminal 1EA
MCDU‐ 1EA
SISOSlot
MDBU TwoamongMDBU Upto2EA
MCDU‐ 1EA
MIMOSlot
MDBU TwoamongMDBU Upto2EA
Basically, the frame of the BIU has slots equipped with an MPSU to supply devices with poweran