User's Manual

NDA-24300 CHAPTER 4
Page 271
Issue 1
UNIT/CIRCUIT CARD REPLACEMENT PROCEDURE
Note:
The system changeover of GT can be executed also by using the CMOD command. For details, refer to
Chapter 8, Maintenance Commands.
EMA SUP lamp on the EMA card goes
OFF.
System Changeover
• Replaced GT: STBY to ACT
• Mate GT: ACT to STBY
Check the following lamp indications on
the new GT card and the DSP of the CPR
which controls the GT.
• OPE/MB (GT card) = Steady-green
• CPU OPE (CPU DSP) = Steady-green
• IMG0-3 (CPU DSP) = Flash (green)
Note:
IMG2~3 lamp indications may
vary depending on the system
configuration.
Check the following lamp indications on
the mate GT card and the DSP of the
mate CPR:
• OPE/MB (GT card) = OFF
• CPU OPE (CPU DSP) = OFF
• IMG0 (CPU DSP) = Flash (green)
• IMG1-3 (CPU DSP) = OFF
ATTENTION
Contents
Static Sensitive
Handling
Precautions Required
END
B
Flip the MBR key on the DSP of CPU which controls
the mate GT. Confirm the new GT functions normally.
On the EMA card, set the EMA SUP switch DOWN.