Lucent Technologies DDM-2000 OC-12 User Manual

Clearing:Trouble363-206-295 TAP-117
4of3Page1997December1,Issue
ACTYNE-StatusandAlarmA.Table
MeaningActivity
mode.synchronizationholdoverinisSystem
causesLikely holdovertoswitchedmanuallywasSystem:
(withmode switch–sync beennothasswitchandcommand)
modeholdovertoswitchedautomaticallysystemtheorreset;
eitherandreferences,timingoffailuretodue
orcleared,nothavefailuresreferencethe(1)
synchronizationnonrevertiveforprovisionedissystemthe(2)
orswitching,mode
forprovisionedissystemthe(3) External noandtiming
oravailable,arereferencestimingexternal
theandoperationloop-timedforprovisionedissystemthe(4)
messageaorfailed,haspackcircuitOLIUorlineoptical
theonreceivedbeenhasproblemclockupstreamanindicating
(lineopticaltheofbitsmessagesync rtrv-sync orcommand)
thebutsignaling,messagesyncforprovisionedissystemthe(5)
beennothasloop-timesitwhichfromsystemupstream
becanconditionThesignaling.messagesyncforprovisioned
(samethesystemsbothprovisioningbycleared set-sync and
rtrv-sync commands).
timingofoneleastatrepairingbyclearedbecanCondition
synchronizationresettingandfailed)areboth(ifreferences
commandwithswitchprotectionmode
switch–sync:s=mode,pri=reset.
activemodeholdover
AISDS3DSX)(frominc. in(AIS)signalindicationalarmDS3detectedhassystemThe
specifiedtheforfiber)thefrom(comingdirectionDEMUXthe
signal.DS3
causes:Likely failed,isendfartheatsignalDS3incomingThe
incompleteend,fartheatDSX-3thefromreceivedisAISDS3
terminal.endfaraatconnectionscross(DS3)STS1missingor
[TAP-119]
AISDS3DSX)(frominc. in(AIS)signalindicationalarmDS3detectedhassystemThe
theforfiber)thefromcomingis,(thatdirectionDEMUXthe
signal.DS3specified
causes:Likely failed,isendfartheatsignalDS3incomingThe
[TAP-119]end.fartheatDSX-3thefromreceivedisAISDS3or
OOFDS3DSX)(frominc. incondition(OOF)out-of-frameDS3adetectedhassystemThe
specifiedtheforfiber)thefrom(comingdirectionDEMUXthe
signal.DS3
causes:Likely thetoincomingsignalDS3out-of-frameAn
theoffailureend;fartheatDSX-3 DS3 orendfartheatCP
or[DLP-518ends.bothatloopedissignalDS3theend;near
DLP-523]363-206-285,

Lucent Technologies DDM-2000 OC-12 Specifications

General

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