Nortel Networks 400 4.0 User Manual

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Chapter 24 Replacing data cards and processing hardware
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BCM200/400 4.0 Installation and Maintenance Guide
To install a PEC
1
Disconnect the BCM system from the AC power outlet.
2
Attach one end of the grounding strap to your wrist and the other end to a grounded metal 
surface.
3
Decide which slot you are going to install the PEC into on the MSC. If you have more than 
one card holder (BCM400), completely populate one card holder at a time. 
4
Line the card up between the rails of the slot. Ensure the card label is face-up.
5
Carefully slide the PEC into the slot until it is firmly seated (see 
).
Figure 171   Insert the processor expansion card (PEC III)
6
Completely insert the base function tray into the main unit (see 
). 
7
Restore the BCM system to operation. Refer to 
.
Replacing memory
This section describes how to remove and install the random access memory card. This section 
contains the following procedures:
Note: Do not force the card into its slot. If the PEC does not slide in easily, check the 
alignment.
Processor expansion card