Zte ZXA10 C300 - Chapter 19 Clock Configuration; Configuring the Synchronous Ethernet Clock; Table 19-1 Configuration Data of the Synchronous Ethernet Clock

Chapter19
ClockConguration
ClockSynchronization
Inasynchronizationnetwork,synchronizationnetworkconnectionsthatcan
transportdifferentsynchronizationlevelstransmitssynchronizationinformation.Each
synchronizationnetworkconnectionconsistsofoneormoresynchronizationlink
connection(s),EachsynchronizationlinkconnectionisprovidedbyasynchronizedPDH
trail,SDHmultiplexsectiontrail,orIEEE802.3physicalmediatrail.
Partialsynchronizationtrailsignalcontainacommunicationchannelthatcantransmit
theSSM,TM,orESMCofthequality-levelidentier.Thisquality-levelidentiercanbe
usedtoselecttheinputreferencesignalofthehighestsynchronizationlevelfromasetof
nominatedsynchronizationreferences.
IEEE1588
IEEE1588,alsoknownasthePTP,isaprotocolforfrequencyandtimeofdaydistribution,
whichisbasedontimestampinformationexchangeinamaster-slavehierarchy,,whereby
thetiminginformationisoriginatedatagrandmasterclockthatisusuallytraceabletoa
PRCorUTC.
SimilartoNTP,PTPnonethelessoffershigheraccuracy,withHW-basedtimestamping
supportandfractionalnanosecondprecision.
TableofContents
ConguringtheSynchronousEthernetClock...........................................................19-1
ConguringExternalInputClock..............................................................................
19-3
ConguringtheExternalOutputClock......................................................................
19-4
ConguringPTPSlaveClock...................................................................................19-6
19.1ConguringtheSynchronousEthernetClock
TheZXA10C300supportsthesynchronousEthernetclockandcanprovidethe
synchronousEthernetclockfortheONUviathePONport.
CongurationData
Table19-1liststhecongurationdataofthesynchronousEthernetclock.
Table19-1CongurationDataoftheSynchronousEthernetClock
ItemData
Clocksourceport1/21/1
19-1
SJ-20130520164529-007|2013-06-30(R1.0)ZTEProprietaryandCondential