Lucent Technologies DDM-2000 OC-12 User Manual

RTRV-ALM 17of7Page RTRV-ALM
DescriptionReportDescriptionReport
(Contd)DescriptionsRTRV-ALM11-3.Table
MeaningDescription
mode.synchronizationholdoverinissystemThe
causes:Likely
holdovertoswitchedmanuallywassystemThea.
the(withmode switch-sync ainor,command,
point)controlTBOSawithsystem,officecentral
resetbeennothasswitchtheand
holdovertoswitchedautomaticallysystemTheb.
asreferences,timingtheoffailuretoduemode
follows:
cleared.nothavefailuresreferenceThe1.
nonrevertiveforprovisionedissystemThe2.
switching.modesynchronization
forprovisionedissystemThe3. External
arereferencestimingexternalnoandtiming
available.
line-timedforprovisionedissystemThe4.
circuitOLIUorlineopticaltheandoperation
anindicatingmessageaorfailed,haspack
onreceivedbeenhasproblemclockupstream
(Seeline.opticaltheofbitsmessagesyncthe
the rtrv-sync command.)
messagesyncforprovisionedissystemThe5.
whichfromsystemupstreamthebutsignaling,
syncforprovisionedbeennothasline-timesit
becanconditionThesignaling.message
thesystemsbothprovisioningbycleared
the(Seesame. set-sync and rtrv-sync
commands.)
ofoneleastatrepairingbyclearedbecanconditionThe
resettingandfailed)areboth(ifreferencestimingthe
thewithswitchprotectionmodesynchronization
command switch-sync:s=mode,pri=reset aIn.
alsocanmodesynchronizationthesystem,officecentral
point.controlTBOSawithresetbe
activemodeholdover
beenhastypepackcircuitunknownorillegalAn
beshouldpackcircuitTheshelf.theintoinserted
shelf.thefromremoved
typeCPillegal
11-362 1997December1Issue OC-12DDM-2000

Lucent Technologies DDM-2000 OC-12 Specifications

General

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