User's Manual

312 Chapter 24 Replacing data cards and processing hardware
N0060612N0060612
Figure 169 PEC replacement overview
Warning:
Incorrect handling of the PEC during installation could result in loss of telephony
programming.
Danger: Electrical shock warning
Disconnect the power cord, telephone cables, and network cables before opening the
computer. Read and follow installation instructions carefully.
Caution: Use only a Nortel-approved replacement. Contact your account representative
for the current list of approved replacement parts.
Set up unit for
maintenance
Remove the top
cover
Restore unit to
operation
If required, remove
PEC module from
MSC
Install the
PEC
Test system
Do a software
shutdown
Ensure you
have a current
data backup.