Lucent Technologies DDM-2000 OC-12 User Manual

RTRV-ALM 17of6Page RTRV-ALM
DescriptionReportDescriptionReport
(Contd)DescriptionsRTRV-ALM11-3.Table
MeaningDescription
4thanmoreformodeholdoverinbeenhassystemThe
(highperformancedegradedcausemayThishours.
signals.receivedand/ortransmittedtheonrates)error
conditiontheexists,conditionthisWhenever
" activemodeholdover exists.also"
"SeeCauses:Likely activemodeholdover ."
holdoverexcessive
alarm(environmentalinputalarmminorexternalThe
connectedbewillinputthisTypically,active.is15)input
orpowerDCthethatindicatewillandshelfpowertheto
failed.hascabinetterminalremoteainfancoolingthe
andalarmtheinappearsthatmessageactualThe
isthisprovisioned;becanconditionthisforreportstatus
theSeemessage.defaultthe rtrv-attr-env and
set-attr-env commands.
externalMinor
thethatindicatesSYSCTLtheonthermostatThe
controlfantheandon,turnedbeshouldfancooling
fantheoroperatetofailedCPSYSCTLtheonrelay
notdoesP62)connector(backplaneoutputrelaycontrol
operatetocontinuewillsystemThefan.atoconnect
leadingfan,acontrolsSYSCTLtheifoverheatmightbut
circuitand/ortransmissioninterruptedordegradedto
failures.pack
isP62onpincommonoutputTelemetrycauses:Likely
failure.CPSYSCTLgrounded;not
failedrelaycontrolfan
fanDDM-2000theoffailureadetectedhassystemThe
mayitbutoperatetocontinuewillsystemTheshelf.
withinreplacedbemustfanTheoverheat. hours4 theof
and/orinterruptedbemightserviceotherwisefailure;
fail.mightpackscircuit
failed,packfanareplacing,needsFiltercauses:Likely
fantheorfeeders,powerbothoronelosthasshelffan
failed.hasboardcontrolshelf
failedshelffan
OC-12DDM-2000 1997December1Issue 11-361

Lucent Technologies DDM-2000 OC-12 Specifications

General

Brand	Lucent Technologies
Model	DDM-2000 OC-12
Category	Multiplexer
Language	English