DLP-518 363-206-295
1997December1,Issue27of4Page
TGSBBF2
8.
!
CAUTION:
TGSBBF2
and
TGSBBF2B / TG3BBF4
settingsswitchmodetiming
carefully.settingsswitchChecksame.thesetnotare
1:NOTE
issystemthebeforecheckedbeshouldnodesallofmodetimingThe
tosystemthecausemaymodestimingImproperservice.inplaced
allifexample,(forinterruptionserviceacauseorunpredictablyact
mode).timedlinetosetarenodes
2:NOTE
The TGSBBF2 asprovisionedbemaymodetiming
RunningFree
,
ExternalDS1
or,
TimedLine
themode,free-runningIn. TGSBBF2
theonoscillatoranfromtiminggets TGSBBF2 timing,externalIn.
the TGSBBF2 Ininput.referenceDS1externalanfromtiminggets
thetiming,line TGSBBF2 anfromtiminggets OLIU referenceafrom
Free-signal.ratelineOC-12receivedthefromrecoveredclock
default.factorytheisrunning
3:NOTE
becanwhichtopologiestimingpossiblethealldepictsBTable
commentssomewith(NE)elementsnetworkadjacentonencountered
application.theironnotescautionaryor