User's Manual

NDA-24300 CHAPTER 4
Page 249
Issue 1
UNIT/CIRCUIT CARD REPLACEMENT PROCEDURE
Replacement Procedure
• System Changeover of the CPU
from ACT to STBY mode.
• IMG0 lamp on the DSP begins to
flash green.
• Check the mate CPU’s lamp
indications:
CPU OPE=Steady green
IMG0, IMG1, IMG2, IMG3=Flash
green
• EMA SUP lamp on the EMA card is
green.
Cable Name to be disconnected
CPU #0: 10AL-(110) FLT CA
CPU #1: 10AL-(130) FLT CA
START
Make a backup copy of the main data (office data,
CF/SPD data, etc.) onto the hard disk of the HFC.
Turn ON the MBR key on the DSP of the CPU
to be replaced. Then turn OFF the MBR key again.
Confirm the mate CPU's ACT mode.
Turn ON the EMA SUP key on the
EMA (PH-PC40) card.
Disconnect the power alarm cable from
the PALM connector on PZ-PW92.
A
IMG1 IMG2 IMG3
CPUOPEWDT 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
ATTENTIO N
Contents
Static Sensitive
Handling
Precautions Required
PWR (PZ-PW92)
FRONT VIEW
SW
ON
OFF
PALM
-48V
ON
ALM
OUTPWR
INPWR