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Chapter 10 Replace Data Cards and Processing Hardware 233
Installation and Maintenance Guide
Install a processor expansion card (PEC)
When you replace or add PECs, ensure you follow the directions for shutting down the system.
Ensure you have a current data backup of your system. This procedure assumes the base function
tray is partially removed from the platform base chassis.
Use this procedure to correctly install a PEC.
1 Disconnect the Business Communications Manager from the wall 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), populate one card holder completely at a time. Populate the
bottom slot first, then insert additional PEC on top.
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.
Warning: Possible data loss
Ensure that you do not touch the PEC casing to any of the components on the MSC. This
may cause shorting, which can erase memory or cause a loss of telephony programming.
If this occurs, complete the installation of the PEC, and then restore the data from your
backup medium.
Warning: Protect the hardware components against damage from electro-static
discharge. Always wear a ground wrist strap before you handle components. Always place
the components in static-free container.
Note: Do not force the card into its slot. If the PEC does not slide in easily, check the
alignment.