Nortel Networks BCM200/400 - Manual (Page 309)

Chapter 24 Replacing data cards and processing hardware 309
BCM200/400 4.0 Installation and Maintenance Guide
Figure 162 Card replacement overview
To remove the WAN card
1 Shut down the system (see “Performing a system shutdown” on page 239 ).
2 Disconnect the BCM system from the AC power outlet.
3 Disconnect any connectors from the front of the base function tray.
4 Remove the main unit top cover. Refer to “Removing the main unit top cover” on page 252 .
5 Attach one end of the grounding strap to your wrist and the other end to a grounded metal
surface.
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.
If possible, do
a software
shutdown
Perform BCM
maintenance
shutdown
Remove the base
function tray
Remove the old
card.
Install the new
card in the
same slot
Insert the base
function tray
Restore unit to
operation
Check LEDs
END