DLP-510 363-206-295
1997December1,Issue18of8Page
TGSBBF2B / TG3BBF4
10.
1:NOTE
issystemthebeforecheckedbeshouldnodesallofmodetimingThe
tosystemthecausemaymodestimingImproperservice.inplaced
allifexample,(forinterruptionserviceacauseorunpredictablyact
mode).line-timedtosetarenodes
2:NOTE
The TGSBBF2B / TG3BBF4 asprovisionedbemaymodetiming
Free
Running
,
ExternalDS1
or,
TimedLine
mode,free-runningIn. BBF2B
TGS/ TG3BBF4 onoscillatorfromtiminggets TGSBBF2B /BBF4
TG3 mode,timingexternalIn. TGSBBF2B / TG3BBF4 timinggets
mode,line-timedIninput.referenceDS1externalfrom BBF2B
TGS/ TG3BBF4 fromrecoveredclockreferenceafromtiminggets
default.factorytheisFree-runningsignal.ratelineOC-12received
3:NOTE
becanwhichtopologiestimingpossiblethealldepictsETable
commentssomewith(NE)elementsnetworkadjacentonencountered
provisionedisNEtheWhenapplication.theironnotescautionaryor
themode,OUTSYNCinoutputDS1thewithortiminglinefor
opticalthefromtimingitsderivingisNEthethatisassumption
NE’s.twothebetweensharedinterface
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