RTRV-ALM 21of17Page RTRV-ALM
DescriptionReportDescriptionReport
(Contd)DescriptionsRTRV-ALM11-3.Table
MeaningDescription
(BER)degradesig.STS1inc. errorbittheapplications,ringswitchedpathSTS-1For
theexceedssignalSTS-1specifiedtheof(BER)ratio
threshold.degradesignaluser-provisioned
OLIUanoffailureorfiberaatFailurecauses:Likely
path.STS-1theinpointsomeatpackcircuit
unequippedSTS1inc. (SONETcodeunequippedthedetectedhassystemThe
in-serviceanonbyte=0)labelcodesignaloverheadpath
channel.STS-1
hascross-connectSTS-1upstreamAncause:Likely
deleted.been
(BER)failedsig.STS1inc. theof(BER)ratioerrorbittheapplications,ringFor
thresholdfailsignaltheexceedssignalSTS-1specified
(10
−3
(10or)
−6
therings,path-switchedVT1.5For).
eachinAISPathVTinsertingbyrespondssystem
theLocally,STS-1.theincontainedVTpass-through
othertheonSTS-1thefromVTstheselectwillsystem
appropriate.asring,
CPOLIUendneartheofFailurecauses:Likely
OLIU,endfartheoffailurefailure,STS-1thereporting
reportingalsoisOC-ntheiffiberreceivetheoffailureor
failure.a
yellowSTS1inc. yellowSTS-1incomingandetectedhassystemThe
terminatingpathfar-endthebyinsertedsignal
equipment.
anoffailureunidirectionalUnprotectedcauses:Likely
path.end-to-endtheinpointsomeatfiberorCPOLIU
11-410 2000June3Issue FiberReachDDM-2000
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