Zte ZXA10 C320 - Page 65

AppendixACardReplacement
Thefollowingaretoolsforreplacingthemaincontrolcard:
àAntistaticwriststrap
àScrewdriver
àAntistaticbag
lPreparations
Thepreparationsareasfollows:
àCheckandrecordthecardtype,andmakesurethatthenewcardisthesameas
theoriginaloneintype.
àRecordthecablepositions,andcheckwhetherthelabelsonthecablesare
correct,clearandtidy.Ifthelabelsarenotvisible,makeanewlabeltoprevent
anymistakesonconnectingcables.
Toreplacetheservicecards,performthefollowingsteps:
Steps
1.Weartheantistaticwriststrap,asshowninFigureA-2.
FigureA-2WeartheAntistaticWristStrap
2.Removethecablesconnectedtotheswitchingandcontrolcard.
3.Usethescrewdrivertounfastenthescrewsonthecardintheanti-clockwisedirection.
4.Pulltheleveronthecardoutwardtoseparatethemaincontrolcardfromtheback
plane.
5.Grasptheleverandpullthecardoutalongtheguiderailsteadily,asshowninFigure
A-3.
A-5
SJ-20120615152640-008|2012-06-30(R1.0)ZTEProprietaryandCondential