DLP-518 363-206-295
1997December1,Issue27of12Page
(Contd)TopologiesProvisioningSynchronizationTG3TGS/BBF4BBF2BE.Table
CommentsApplication2NE1NE
Inloop.timingacreatemighttopologyThisCaution!
willTimingLineforprovisionedNEthetopologythis
referenceoutputDS1theofthatandtimingitsderive
OutSync-ExternalforprovisionedNEthefrom
thatwithsynchronouslyoperatingthustiming
-ExternalforprovisionedNETheNE.respective
Mult-ExternalforreprovisionedbeshouldOutSync
actualtheinexistinglooptimingthepreventto
isMessagingSynchronizationIfprovisioning.
onreferenceoutputDS1theNE’s,bothonenabled
timingitsderivewill2NEandAISDS1carrywill1NE
If1.NEfromportoutputDS1theofthatand
isreconfigurationsynchronizationautomatic
willNEsbothsystem,ainenabledandsupported
will1NEloop.timingpotentialthebreaktoattempt
itsonAISDS1insertingbyloopthebreaktoattempt
toswitchtoattemptwill2NEport.outputDS1
thepreventtoavailable,ifsource,timinglineanother
loop.timing
OutSync-TimingLineOutSync-External
toaccesshaveNE’sbothwhenusedistopologyThis
Theclocks.BITSfromtimingitsreceivingareand
synchronizedBITSthesehavetoisrecommendation
IfPRS.samethetotraceablearewhichreferencesto
createdsubnetworkthefollowedareguidelinesthese
synchronously.operatingbewouldNE’stwotheseby
inoperatetodesignedaresystemsDDM-2000Note:
outputDS1Thetopologies.timingpleisiochronous
inputthefromregeneratedisNEeachbygenerated
distributetousedbecouldandreferencetimingDS1
sametheincollocatedshelvesothertoreferencethis
BITS.theonportsconservetobay
Mult-ExternalMult-External
atotimingnetworkdistributetousedistopologyThis
atoaccesswithlocationafromlocationtarget
forprovisionedNEThereference.synchronization
NEthetotimingprovidingisMult,-External
turninwhichOut,Sync-Externalforprovisioned
fromregeneratedreferenceoutputDS1agenerates
DS1ThisNE’s.bothbysharedinterfaceopticalthe
referencesynchronizationaprovidetousedisoutput
BITS.ato
OutSync-ExternalMult-External
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