User's Manual

NDA-24300 CHAPTER 4
Page 269
Issue 1
UNIT/CIRCUIT CARD REPLACEMENT PROCEDURE
GT Card Replacement Procedure
Use extreme care when operating the keys on the DSP of CPR and PH-GT09 card.
WARNING
• System changeover of GT from
ACT to STBY mode
ATTENTION
Contents
Static Sensitive
Handling
Precautions Required
Check the following lamp indications
on the GT card to be replaced and on
the DSP of CPR that controls the GT:
• OPE/MB (GT card) = OFF
• CPU OPE (CPU DSP) = OFF
• IMG0 (CPU DSP) = Flash (green)
• IMG1-3 (CPU DSP) = OFF
Check the following lamp indications
on the mate GT
card and the DSP of
the mate CPR:
• OPE/MB (GT card) = Steady-green
• CPU OPE (CPU DSP) = Steady-
green
• IMG0-3 (CPU DSP) = Flash
(green)
EMA SUP lamp on the EMA card is
steady-green.
GT (PH-GT09)
OPE/MB
MBR
MB
IMG1 IMG2 IMG3
CPUOPE WDT IMG0
1
2
3
4
5
6
7
8
OFF
1
2
3
4
5
6
7
8
OFF
1
2
3
4
OFF
MBR
FRONT VIEW
DSP
ON
4
C
0
2
6
A
E
A
Confirm the mate GT's ACT mode.
START
On the EMA (PH-PC40) card, set the
EMA SUP key UP.
On the DSP of active CPR, turn ON the MBR key.
Turn OFF the MBR key again.