AppendixACardReplacement
FigureA-1WeartheAntistaticWristStrap
2.Removethecablesconnectedtotheswitchingandcontrolcard.
3.Usethescrewdrivertounfastenthescrewsonthemaincontrolcardintheanti-clock-
wisedirection.
4.Unclasptheleverontheswitchingandcontrolcardtoseparatetheswitchingand
controlcardfromthebackplane.
5.Grasptheleverandpulltheswitchingandcontrolcardoutalongtheguiderailsteadily.
Note:
Youshouldgentlypullthemaincontrolcardoutofthebackplanealongtheguiderail
toavoidanydamageonthecomponentsofotherswitchingandcontrolcard.
6.Puttheswitchingandcontrolcardreplacedintotheantistaticbagandlabelitfor
maintenancewiththenoteofitsnameandfault.
7.Pullthenewswitchingandcontrolcardoutoftheantistaticbag,andcheckit.Make
surethatthecardisintact.
8.Pulltheleveronthenewswitchingandcontrolcardoutward.Pluginthecardand
pushitinalongtheguiderailsteadily.
9.Gentlypushinthenewswitchingandcontrolcardtillthecontactpointoftheleverand
theshelf.Presstheleverinwardandpushthemaincontrolcardintotheshelfwiththe
workingforcebetweentheleverandthepositionpinontheshelf,tilltheswitchingand
controlcardleverisparalleltothepanel.
10.Fastenthescrewswiththescrewdriverintheclockwisedirectiontoxthecard.
11.Connectthecablestothenewswitchingandcontrolcardaccordingtotherecorded
order.
A-3
SJ-20120615152640-008|2012-06-30(R1.0)ZTEProprietaryandCondential