Zte ZXR10 - Cause; NM Level

Chapter1AlarmOverview
NMLevel
NMlevelincludeslevel1,level2,level3,level4andlevel5.The
meaningsforeachlevelareasfollows.
�Level1:critical
�Level2:major
�Level3:minor
�Level4:clear
�Level5:informational
Cause
Variouskindsofcausesareasfollows.Inordertorecoverthe
systemassoonaspossible,weshouldndouttriggerconditions,
triggerfrequency,theresolutionsandthepreventmeasures.The
causesforZXR10alarmmessagesareasfollows:
1.Thehardwareordevicemalfunction.
i.Singleboardmalfunction.
ii.Otherhardwaremalfunction,suchassystempowermal-
funcrion,fanmalfunction,ashcardmalfunctionandso
on.
iii.Hardwarecannotsatisfyneeds.Forexample,current
hardwaresuchassingleboard,CPUandthememorycan
notsatisfytheincreasingneeds.
2.Softwaremalfunction.ItmaybethesoftwareBUGorthefail-
urecausedbythesoftwareupgrade.
3.Environmentalarm.Forexample,
i.Thesmoothrunningofthesystemhasastrictrequirment
ontheenvironment.Ifthetempratureorthehumiditycan
notsatisfytherequirment,alarmoccurs.
ii.Naturaldisasterandtheaccidentalincidentcanalsogen-
eratealarms.Forexample,lightening,reorearthquake.
4.Thecongurationerrorortheimpropersetup.
i.Thesetupproblem:theinterfacesetupbetweendevices,
thesystemprivilege,password,leandcatologsetup.
ii.Thecongurationcannotsatisfythesystemrequirments:
thesystemcapabilityandcapacitydecreasecausedbycon-
gurationerror .Especiallyifthealarmthresholdissetby
users,propercongurationisstronglyrequired.
5.Themalfunctionontheotherenddevicealsogeneratesalarms.
CondentialandProprietaryInformationofZTECORPORATION3