363-206-295 DLP-539
3of1Page1997December1,Issue
PackCircuitTGS/TG3onModeTimingChange
1.
!
CAUTION:
cabling,multtimingwithtogetherconnectedarebayainshelvesIf
fortimingtheaffectmaysystemoneonmodetimingthechanging
formadearearrangementstimingproperthatEnsuresystems.other
shelves.affectedall
NOTE:
anonmodetimingthechangetousedbemayprocedureThis
installed TGS/TG3 changetowantmayyouexample,Forpack.circuit
installedanonmodetimingthe TGS/TG3 DS1toRunningFreefrom
theonoutputtimingDS1theprovisiontowantmayyouorExternal,
TGSBBF2B / TG3BBF4 to
modeoutsync
onoutputtimingDS1The.
the TGSBBF2B / TG3BBF4 forprovisionedbecan
modeoutsync
tosetismodetimingthewhenonly
outsyncExternalDS1
or
Line
outsyncTiming
SynchronizationandTransmissiontheSee.
timingDS1ofdescriptionaformanualthisofsectionInterfaces
outputs.
theonpresentswitchesprotectionoralarmsnoaretherethatVerify
system.
tomodetimingchangingyouAre2.
ExternalDS1
?
If YES withcontinuethen, 3Step .
If NO toproceedthen, 5Step .
good.aretheyensuretoreferencestimingexternalCheck3.
4.
1:NOTE
connecttousedarecablesG153orG152,G151,ED-8C727-20,
G155orG154ED-8C727-20,bay.ain1shelftoreferencestiming
(frontG213andG212,G211,G210,ED-8C727-21,oraccess)(rear
subsequenttoreferencestimingmultipletousedarecablesaccess)
shelfto2shelf2,shelfto1shelffromexample,(forbaytheinshelves
is1shelftosourcereferencetimingthefromcableTheetc.).3,
jacktoconnected J66 (orbackplaneshelftheon J266 fronttheof
nextthetoshelf)lower(or1shelffromcableThecable).access
jackfromconnectedisshelfhigher J65 (P265 toshelflowertheof)
jack J66 (J266 shelf.highernexttheof)
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