312Chapter 24 Replacing data cards and processing hardware

Figure 169 PEC replacement overview

Ensure you have a current data backup.

Do a software shutdown

Set up unit for maintenance

Remove the top cover

If required, remove PEC module from

MSC

Install the

PEC

Restore unit to operation

Test system

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.

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Nortel Networks 400 4.0, BCM200 manual PEC replacement overview