ZXA10C320MaintenanceManual
àThepersonnelfromtheoperator’srelateddepartments,suchastransmission
department,powersupplydepartment,andtherelatedupper-layerequipment
provider,alsoneedtobeonsite.Iftheycannotbeonsite,theyneedtoprovide
technicalsupportintime.
lPrepareenoughspareparts.
Thepreviousdeviceneedstobepoweredoffandremoved.Ifthecutoverfails,the
servicewillberestoredtotheprevioussystem.Afaultmayoccurwhentheprevious
systemispoweredonagain.Therefore,itisnecessarytoprepareenoughspareparts
fortheprevioussystem.
lBackupdata.
Backupthedataontheprevioussystem,ensuringthatthedataisthelatest.
Ifthecutoversucceeds,conrmthefollowing:
lPingtheZXA10C320fromtheNMS.Checkwhetheritsucceeds.
lCheckwhethertheportstatusandtrafcarenormal.
lCheckwhethertheONUisalreadyonline.
lCheckwhethertheMACaddressoftheusercanbelearnt.
WorkAfterCutover
Observetheservicerunningstatusafterthecutoversucceeds.Reportthecutoverdetails
tothesupervisiondepartment.Keepthepreviousequipmentonsite.Theservicecanbe
restoredtotheprevioussystemincaseofanyaccident.
Ifthecutoverfails,restoretheservicebacktotheprevioussysteminthespeciedperiod.
Fordetailedoperations,refertothetopic5.3ProcessingGuidesforCutoverFailure.Send
thefaults,alarms,anddatatothetechnicalengineersforanalysis.
5.3ProcessingGuidesforCutoverFailure
Precautions
lInprinciple,theserviceinterruptionmustbewithintheperiodthattheserviceprovider
permits.
lItisrecommendedtorestoretheservicestotheprevioussystemifthecutovercannot
benishedintheplannedperiodduetounexpectedreason.
lThecutovercannothaveinuenceonthenetworksecurityandonlineservices.Do
notcutoverallNEsatonetime.
RestoringFlowchart
Restoretheservicestotheprevioussystemifthecutoverfails.Figure5-2showsthe
restoringowchart.
5-4
SJ-20120615152640-008|2012-06-30(R1.0)ZTEProprietaryandCondential