User's Manual

NDA-24300 CHAPTER 4
Page 293
Issue 1
UNIT/CIRCUIT CARD REPLACEMENT PROCEDURE
ATTENTION
Contents
Static Sensitive
Handling
Precautions Required
• OPE lamp on the new card is red.
• OPE lamp on the new card is steady-
green.
END
B
On the PA-SDTA card, turn OFF Switch 4 of the
P-SW key. Note 2
Insert both PA-SDTA/PA-SDTB cards (including new
card) simultaneously into the same slots of the PIM.
When the new card is PA-SDTB, also connect the MT
24 TSW cables to all the required front connectors.
On the PA-SDTB card, set the MB key DOWN (=OFF).
On the PA-SDTA card, set the MB key DOWN (=OFF).
Connect the disconnected flat cables to the connectors
on the new card and other PA-SDTA/PA-SDTB cards.
Note 1:
When the card is in a dual
configuration, perform this
action for both system sides
(both ACT and STBY sides).
Note 2:
When the card is in a dual
configuration, perform this
action for both system sides,
in the order of STBY → ACT.
Note 1