Lucent Technologies DDM-2000 OC-12 User Manual

RTRV-ALM 17of8Page RTRV-ALM
DescriptionReportDescriptionReport
(Contd)DescriptionsRTRV-ALM11-3.Table
MeaningDescription
fromreceivedbeingis(AIS)signalindicationalarmDS1
signal.referencesynchronizationDS1the
facilityorequipmentupstreamofFailurecauses:Likely
DSX-1).the(towards
AISref.sync.DS1inc.
synchronizationDS1thein(BER)ratioerrorbitThe
10exceedssignalreference
− 3
.
facilityorequipmentupstreamofFailurecauses:Likely
DSX-1).the(towards
BERref.sync.DS1inc.
indetectedwereevents(OOF)out-of-frameExcessive
Excessivesignal.referencesynchronizationDS1the
ineventsout-of-frame512thanmoreasdefinedisOOF
day.one
DS1incomingtheofFailurecause:Likely
signal.referencesynchronization
EOOFref.sync.DS1inc.
DS1theonframetounableissystemThe
signal.referencesynchronization
providingclocktheinfailureUpstreamcauses:Likely
receivedtheonratioerrorbithighsignal;referencethe
thatsupplytimingofficetheoffailurebycausedsignal,
issystemthereference;timingDS1theprovides
DS1specifiedtheonformatSFforprovisioned
DS1receivedtheandsignalreferencesynchronization
format.ESFinissignal
LOFref.sync.DS1inc.
DS1theinreceivedwerezerosconsecutive128leastAt
theatenergytheorsignal,referencesynchronization
threshold.presetabelowisinputDS1
thatsupplytimingofficetheofFailurecauses:Likely
theoffailureorreferencetimingDS1theprovides
supply.timingthetoconnection
LOSref.sync.DS1inc.
OC-12DDM-2000 1997December1Issue 11-363

Lucent Technologies DDM-2000 OC-12 Specifications

General

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