363-206-295 DLP-502
12of5Page1997December1,Issue
(Contd)TopologiesProvisioningSynchronizationTG3TGS/BBF4BBF2BB.Table
CommentsApplication2NE1NE
twoThesupported.notistopologytimingThis
asynchronouslyoperatingbewillelementsnetwork
other.eachfrom
OutSync-ExternalRunningFree
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referencesynchronousexternalantoaccesshave
timingwhoseNEantosynchronizedbetoneedsand
LineforprovisionedNEThePRS.atotraceableis
provisionedNEthefromtimingitsderivewillTiming
operatingthustimingMult-Externalfor
NETheNE.respectivethatwithsynchronously
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timingDS1incomingitsdistributetooutputDS1
conservetobaytheinshelvesothertoreference
BITS.theonports
TimingLineMult-External
notdoesNE’stheofonewhenusedistopologyThis
reference,synchronousexternalantoaccesshave
istimingwhoseNEantosynchronizedbetoneeds
betoneededistimingandPRS,atotraceable
NEThelocated.is2NEwheredistributed
itsderivewillOutSync-TimingLineforprovisioned
Mult-ExternalforprovisionedNEthefromtiming
thatwithsynchronouslyoperatingthustiming
aasservecouldoutputDS1ItsNE.respective
CO.thatinBITSatotimingdistributetoreference
couldtimingMult-ExternalforprovisionedNEThe
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Inloop.timingacreatemighttopologyThisCaution!
willTimingLineforprovisionedNEthetopologythis
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withsynchronouslyoperatingthustimingOutSync
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Mult-ExternalforreprovisionedbeshouldOutSync
theinexistinglooptimingpotentialthepreventto
isMessagingSynchronizationIfprovisioning.actual
ofreferenceoutputDS1theNE’s,bothonenabled
carrywilloutSync-ExternalforprovisionedNEthe
theinAIS)(DS1signalDS1onesallunframedan
synchronizationautomaticIftopology.present
system,ainenabledandsupportedisreconfiguration
timingpotentialthebreaktoattemptwillNEsboth
bylooptimingthebreaktoattemptwill1NEloop.
will2NEport.outputDS1itsonAISDS1inserting
ifsource,timinglineanothertoswitchtoattempt
loop.timingthepreventtoavailable,
TimingLineOutSync-External