AppendixA
CardReplacement
TableofContents
ŸCardReplacementPrecautions..............................................................................
A-1
ŸReplacingMainControlCard..................................................................................A-1
ŸReplacingOtherCards...........................................................................................A-4
A.1CardReplacementPrecautions
Whenreplacingthecard,payattentiontothefollowing:
lDonotlookclosewithoutanyprotectionordirectlyattheopticalinterfacetoavoidany
hurttotheeyesduringtheoperation.
lPlug/unplugthecard(partiallyseated)carefullyandslowlyandmakesurethatthe
carddoesnotcollidetheshelforthenextcards.
lOnehandhelpswhiletheotherhandisplugging/unpluggingcardstoavoidany
damage.
lPlug/unplugonlyonecardonce.Prohibittoplug/unplugseveralcardsonce.
lPleaseobservethespecicationswhileemployingtoolstoplug/unplugthecardsto
avoidanydamagetothecards.
lPayattentiontotheESDprotection,andhandlethecardscarefullybeforethecards
areplacedoutsidetheshelf.Putthecardhorizontallywithitssidewhichcannotbe
damagedeasilydown.Makesurethehorizontalplaneisclearofotherthings.
lDonotputthecardsinthehumidplaceorexposethemtothesunshinedirectly.Make
surethesurroundingsdoesnotdoanyharmtothecars.
lWhilemovingseveralcards,donotpilethecardstogethertomovethemwiththe
protectionofantistaticbagsonly.Makesuretomoveonlyonecardonce.
A.2ReplacingMainControlCard
Replacetheswitchingandcontrolcardbecauseitfailstoworkoristobeupgradedfor
somesituations.
Context
lPrecautions
Payattentiontothefollowingprecautionswhilereplacingtheswitchingandcontrol
card:
àMakeanantistaticpreparation.
A-1
SJ-20120615152640-008|2012-06-30(R1.0)ZTEProprietaryandCondential