RTRV-ALM 31of12Page RTRV-ALM
DescriptionReportDescriptionReport
(Contd)DescriptionsRTRV-ALM11-3.Table
MeaningDescription
failedCPLAN CP.LANIMAspecifiedtheoffailureequipmentInternal
LOSDS1DSX)(frominc. DS1theinreceivedarezerosconsecutive128leastAt
theatenergytheorDSX-1,thefromincomingsignal
threshold.presetabelowisinputDS1
orequipmentupstreamoffailureHardcauses:Likely
isinputDS1TheDSX-1).the(towardsfacility
equipmentDSX-1;theorbackplanetheatdisconnected
DSX-1.atremovedorfailedis
failsigDS1DSX)(frominc. fromincomingsignalDS1thein(BER)ratioerrorbitThe
threshold,failureprovisionedtheexceedsDSX-1the
10
−3
10,
−6
10,
−7
10or,
−8
.
failure(AMI/B8ZS);codelineofMismatchcauses:Likely
DSX-1);the(towardsfacilityorequipmentupstreamof
CP.DS1theoffailurewiring;officeintalkcross
LOFDS1fiber)(frominc. Indicatesonly.packcircuitLANIMAthetoApplicable
thewithalignframetounableisframerDS1thethat
signal.DS1incoming
equipmentDS1upstreamoffailureHardcause:Likely
LOFDS1Aequipment.DS1localtheoffailureaor
DS1aalthoughfailurefacilityafromresultalsocould
anisthereifreportednormallyisconditionAIS
DS1.theaffectingfailurefacilityupstream
AISDS1fiber)(frominc. hassystemThe---onlyCPLANIMAthetoApplicable
fromincomingsignalindicationalarmDS1adetected
transmittingbyrespondssystemTheside.SONETthe
AIS.DS1
theaffectingfailurefacilityupstreamAncauses:Likely
DS1.
AISref.sync.DS1inc. fromreceivedbeingis(AIS)signalindicationalarmDS1
signal.referencesynchronizationDS1the
facilityorequipmentupstreamofFailurecauses:Likely
DSX-1).the(towards
BERref.sync.DS1inc. synchronizationDS1thein(BER)ratioerrorbitThe
10exceedssignalreference
−3
.
facilityorequipmentupstreamofFailurecauses:Likely
DSX-1).the(towards
EOOFref.sync.DS1inc. indetectedwereevents(OOF)out-of-frameExcessive
Excessivesignal.referencesynchronizationDS1the
ineventsout-of-frame512thanmoreasdefinedisOOF
day.one
DS1incomingtheofFailurecause:Likely
signal.referencesynchronization
11-544 2000February2Issue OC-3DDM-2000
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