User's Manual

Confidential&Proprietary60/115 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
CommonPart
Shelf IncludingMainBoard,19”,5U 1EA
MPSU Operate‐48VdcInput 1EA
MCPU WithEthernetPortandUSBPort 1EA
PowerCable‐48Vd cInputwithtwolugterminal 1EA
SISOSlot
MCDU‐ 1EA
MDBU TwoamongMDBU Upto2EA
MIMOSlot
MCDU‐ 1EA
MDBU TwoamongMDBU Upto2EA
Basically, the frame of the BIU has slots equipped with an MPSU to supply devices with poweran