Lucent Technologies DDM-2000 OC-3 User Manual

RTRV-ALM 31of13Page RTRV-ALM
DescriptionReportDescriptionReport
(Contd)DescriptionsRTRV-ALM11-3.Table
MeaningDescription
LOFref.sync.DS1inc. DS1theonframetounableissystemThe
signal.referencesynchronization
providingclocktheinfailureUpstreamcauses:Likely
receivedtheonratioerrorbithighsignal;referencethe
thatsupplytimingofficetheoffailurebycausedsignal,
issystemthereference;timingDS1theprovides
DS1specifiedtheonformatSFforprovisioned
DS1receivedtheandsignalreferencesynchronization
format.ESFinissignal
LOSref.sync.DS1inc. DS1theinreceivedwerezerosconsecutive128leastAt
theatenergytheorsignal,referencesynchronization
threshold.presetabelowisinputDS1
thatsupplytimingofficetheofFailurecauses:Likely
theoffailureorreferencetimingDS1theprovides
supply.timingthetoconnection
OOLref.sync.DS1inc. issignalreferencesynchronizationDS1incomingThe
providingclocktheoffrequencyThe(OOL).lockofout
specification.ofoutissignalreferenceDS1the
thatsupplytimingofficetheofFailurecauses:Likely
reference.timingDS1theprovides
AISDS3fiber)(frominc. signalindicationalarmDS3detectedhassystemThe
thefromcomingis,(thatdirectionDEMUXthein(AIS)
signal.DS3specifiedtheforfiber)
isendfartheatsignalDS3incomingThecauses:Likely
fartheatDSX-3thefromreceivedisAISDS3orfailed,
end.
AISDS3DSX)(frominc. signalindicationalarmDS3detectedhassystemThe
thefromcomingis,(thatdirectionMUXthein(AIS)
isalarmThissignal.DS3specifiedtheforDSX-3)
only.packcircuit(BBG20)TMUXthetoapplicable
isendfartheatsignalDS3incomingThecause:Likely
failed.
OC-3DDM-2000 2000February2Issue 11-545

Lucent Technologies DDM-2000 OC-3 Specifications

General

Brand	Lucent Technologies
Model	DDM-2000 OC-3
Category	Multiplexer
Language	English