RTRV-ALM 21of15Page RTRV-ALM
DescriptionReportDescriptionReport
(Contd)DescriptionsRTRV-ALM11-3.Table
MeaningDescription
LOSOC1inc. condition(LOS)loss-of-signaldetectedhassystemThe
line.OC-1theon
end,nearatCPOLIUtheofFailurecauses:Likely
receivetheoffailureorend,faratCPOLIUtheoffailure
fiber.
AISlineOC1inc. indicationalarmlineOC-1detectedhassystemThe
line.OC-1incominganon(AIS)signal
end.fartheatCPOLIUanofFailurecause:Likely
(BER)degradesig.OC1inc. lineOC-1specifiedthein(BER)ratioerrorbitThe
(10thresholderrorsoftprovisionedtheexceeds
−9
to
10
−5
10ofthresholderrorhardthebelowbut)
−3
.
end,neartheatCPOLIUtheofFailurecauses:Likely
theoffailureorend,fartheatCPOLIUtheoffailure
fiber.receive
(BER)failedsig.OC1inc. signalOC-1receivedthein(BER)ratioerrorbitThe
10exceeds
−3
.
end,neartheatCPOLIUtheofFailurecauses:Likely
atCPOLIUtheoffailureorfiber,receivetheoffailure
end.farthe
AISSTS1inc. alarmSTS-1incomingandetectedhassystemThe
line.OC-1orOC-3activethein(AIS)signalindication
andinterfaceT1orDSXthetowardAISDS3or
fromfiberthetowardbackyellowSTS-1transmitting
received.beingisAISthewhich
cross-connectincorrectorIncompletecauses:Likely
unprotectednetwork;end-to-endaninprovisioning
OLIUorSTS1E,MXRVO,DS3,aoffailureorremoval
failure.lineopticalunprotectedend;fartheatCP
fartheatCPOLIUanoffailureorremovalunprotected
failure.lineopticalunprotectedend;
OC1LOPSTS1inc.
x
(LOP)loss-of-pointeradetectedhassystemThe
forfoundbenotcouldpointerSTS-1validAcondition.
signal.STS-1identifiedtheinframesconsecutiveeight
onSTS-1theonoccursconditionthisIfcauses:Likely
unprotectedaniscauselikelythelines,OC-1both
Ifend.fartheatCPOLIUanorMXRVOanoffailure
likelytheline,OC-1oneonlyonoccursconditionthis
farorendneartheatCPOLIUtheoffailureiscause
end.
11-408 2000June3Issue FiberReachDDM-2000
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