To remove the processor expansion card (pec) – Nortel Networks BCM200/400 User Manual
Page 321
Chapter 24 Replacing data cards and processing hardware
321
BCM200/400 4.0 Installation and Maintenance Guide
To remove the processor expansion card (PEC)
1
Ensure you have a current data backup of your system (see
2
Shut down the system (see
“Performing a system shutdown” on page 239
).
3
Disconnect the BCM system from the AC power outlet.
4
Attach one end of the grounding strap to your wrist and the other end to a grounded metal
surface.
5
Completely remove the base function tray from the main unit (see
). Ensure you do not pinch, stretch, or damage any cables.
6
Grasp the top edge of the PEC you want to remove and it pull out. Place the PEC in a safe and
static-free container. Refer to
.
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 a loss of memory or telephony programming occurs, complete the removal of the PEC,
and then restore the data from your backup medium upon reinstallation (see
processor expansion card (PEC)” on page 322
).
Warning: Protect the hardware components against damage from electrostatic discharge.
Always wear a grounded wrist strap before you handle components. Always place the
components in a static-free container.