RTRV-ALM 21of12Page RTRV-ALM
DescriptionReportDescriptionReport
(Contd)DescriptionsRTRV-ALM11-3.Table
MeaningDescription
LOFOC12inc. (LOF)loss-of-frameadetectedhassystemThe
definedisLOFsignal.OC-12incominganincondition
consecutive(fourcondition(OOF)out-of-frameanas
3leastatforlaststhatpatterns)framingSTS-1errored
milliseconds.
end,neartheatCPOLIUtheofFailurecauses:Likely
theoffailureorend,fartheatCPOLIUtheoffailure
fiber.receive
LOSOC12inc. (LOS)loss-of-signaladetectedhassystemThe
line.OC-12theoncondition
end,nearatCPOLIUtheofFailurecauses:Likely
receivetheoffailureorend,faratCPOLIUtheoffailure
fiber.
(BER)degradesig.OC12inc. lineOC-12specifiedthein(BER)ratioerrorbitThe
(10thresholderrorsoftprovisionedtheexceeds
−9
to
10
−5
10ofthresholderrorhardthebelowisbut)
−3
.
end,neartheatCPOLIUtheofFailurecauses:Likely
theoffailureend,fartheatCPOLIUtheoffailure
itwhenusedbeingisattenuatoropticalorfiber,receive
be.shoulditwhenusedbeingnotisorbe,notshould
(BER)failedsig.OC12inc. signalOC-12receivedthein(BER)ratioerrorbitThe
10exceeds
−3
.
end,neartheatCPOLIUtheofFailurecauses:Likely
atCPOLIUtheoffailureorfiber,receivetheoffailure
end.farthe
BEROC3inc. signalOC-3receivedthein(BER)ratioerrorbitThe
10exceeds
−3
.
end,neartheatCPOLIUtheofFailurecauses:Likely
atCPOLIUtheoffailureorfiber,receivetheoffailure
end.farthe
ismessagethis3.1,ReleaseFiberReachwithStarting
theinpackscircuitOLIU28-typethewithassociated
unitFunctiontheinOLIUs22-typeandslots,unitMain
slots.
FiberReachDDM-2000 2000June3Issue 11-405
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