User's Manual

CHAPTER 4 NDA-24300
Page 270
Issue 1
UNIT/CIRCUIT CARD REPLACEMENT PROCEDURE
ATTENTION
Contents
Static Sensitive
Handling
Precautions Required
• OPE/MB lamp on the GT card
remains OFF.
• OPE/MB lamp on the new card is
OFF.
• OPE/MB lamp on the new card
remains OFF.
B
Set the MBR and MB keys on the new card UP.
A
Set the MB key on the new card DOWN.
Insert the new GT card into the TSWM.
Extract the GT card to be replaced
from the TSWM.
Set the MBR key on the new card DOWN.
On the GT card to be replaced,
set the MB switch UP.
On the GT card to be replaced,
set the MBR switch UP.