User's Manual

Confidential&Proprietary96/122 SC‐DAS
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Checkingthestatusofthesystem’sLEDIndicator
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AfterturningontheswitchofthepowersupplyinBIU,checkinformationoneachmodule’s
LEDofthesystem.Thetablebelowshowsnormal/abnormalcasesdependingonthestatus
ofeachmodule’sLED.
LEDinformation
Unit LED Indicates
ONGreen:MDBUisnormallypower‐supplied.

Green:MDBUisnormal.
MDBU
ALM

Red:MDBUisabnormal;checkthealarmthroughRS‐232C.
ON

Green:MCPUisnormallypower‐supplied.
TXD

Greenflicker:TXsignalsaretransmittedtocommunicatewithROU.
RXD
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Greenflicker:RXsignalsarereceivedfromROU.

Green:BIUsystemisnormal.
MCPU
ALM

Red:BIUsystemisabnormal;checkthealarmthroughRS‐232C.
ONGreen:BIUisconnectedwithpowerandMPSUworksnormally.

Green:DCoutputisnormal.
MPSU
ALM

Red:DCoutputisabnormal.
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MDBUSetting
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Insert the MDBU into the BIU. Check if the “ON” LED Indicator at the front panel of MDBU is lit
green.MakeaconnectionwithDEBUGportoftheMCPUthroughUSBCable
CheckiftheIDofMDBUmoduleislocatedinthoseSISOMDBU#1&2,MIMOMDBU#1&2slotsofthe
MDBUthroughtheGUI.Whenyouselectthetabofacorrespondingslotfromthemainwindow,you
caninquireandsetthestatusofacorrespondingMDBUmodule.