RTRV-SYNC 10of3Page RTRV-SYNC
toprovisionedhardwareismodeTiming(dash)—
DS1withoutExternalorFreeRunningbe
(outputssync mult).
byfollowedaredash)the(exceptSourceSyncforchoicesThe
messages:theseofone
onlyShelffor shelf.LineTimedforsetisSourceSync
OutputsDS1andShelffor
LineTimedforsetisSourceSync
Out.shelf/Sync
onlyOutputsDS1for
shelfExternalforsetisSourceSync
Out.timing/Sync
Code/FormatLineDS1
DS1theofcodinglineandformatsignalthetorefersThis
External theonswitchesoptionwithset(asreferencestiming
are:valuesvalidThepack).circuitTG3orTGS
CodeLineDS1
ami InversionMarkAlternate
b8zs SubstitutionZeros8withBipolar
Unequipped(dash)—
? Unreadable
FormatLineDS1
sf (D4)formatFrameSuper
esf formatFrameSuperExtended
Unequipped(dash)—
? Unreadable
ModeProvisioned
ofmodesynchronizationprovisionedtheisModeProvisioned
switchesoptionwithsetaspacks,circuitgeneratortimingthe
are:valuesvalidThepack.circuitTG3orTGStheon
External reference.ExternalDS1fromderivedTiming
FreeRunning oscillator.internalfromderivedTiming
LineTimed payload-OC-12thefromderivedTiming
slots.Main-btheinsignalcarrying
11-204 1997December1Issue OC-12DDM-2000
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