Zte ZXA10 C300 - Page 56

ZXA10C300MaintenanceManual
a.Determinethetimeofstartingthecutover.
b.InformtheR&Ddepartmentandthecustomerservicedepartmentofthespecic
timeandotherrelatedeventsforcutovertogettimelytechnicalsupportincaseof
anyunexpectedfault.
c.Remindtheoperatortonotifyeachbranchofcewherethelower-layerONU
locatesofthespeciccutovertime.Therefore,theycantimelyinformtheusers
oftheserviceinterruptioninacertainperiod,andtheterminaluserscanmake
thecorrespondingpreparationstoavoidanyloss.
WorkAfterCutover
Ifthecutoversucceeds,conrmthefollowing:
lPingtheZXA10C300fromtheNMS.Checkwhetheritsucceeds.
lCheckwhethertheportstatusandtrafcarenormal.
lCheckwhethertheONUisalreadyonline.
lCheckwhethertheMACaddressoftheusercanbelearnt.
Observetheservicerunningstatusafterthecutoversucceeds.Reportthecutoverdetails
tothesupervisiondepartment.Keepthepreviousequipmentonsite.Theservicecanbe
restoredtotheprevioussystemincaseofanyaccident.
Ifthecutoverfails,restoretheservicebacktotheprevioussysteminthespeciedperiod.
Sendthefaults,alarmsanddatatothetechnicalengineersforanalysis.
ProcessingGuidesforCutoverFailure
lPrecautions
àInprinciple,theserviceinterruptionmustbewithintheperiodthattheservice
providerpermits.
àItisrecommendedtorestoretheservicestotheprevioussystemifthecutover
cannotbenishedintheplannedperiodduetounexpectedreason.
àThecutovercannothaveinuenceonthenetworksecurityandonlineservices.
DonotcutoverallNEsatonetime.
lRestoringProcess
àObserveLEDstatusoncardsandtakearecord.
àObservealarmsonNMSandrecordalarms,especiallyservicealarms.Avoidthe
samefaultwhenrestoringservices.
àPowerontheprevioussystemandhaveacheck.Restoreservicesafterthe
systemworksproperly.
àRestoretheservicesinsequence.
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SJ-20130520164529-008|2013-06-30(R1.0)ZTEProprietaryandCondential