Zte ZXA10 C300 - Page 71

AppendixACardReplacement
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.
FigureA-3UnplugtheCard
A-5
SJ-20130520164529-008|2013-06-30(R1.0)ZTEProprietaryandCondential