Avaya PARTNER Advanced Communications System Installation And Use Manual page 369

1. If you have a 5-slot carrier, move the carrier's On/Off switch to the "Off" position ("O"). See
Figure 10-1.
Figure 10-1. On/Off Switch on a 5-Slot Carrier
2. For all types of installations, disconnect the power cord from the wall outlet.
3. If you do not have a 5-slot carrier, go to Step 4.
If you have a 5-slot carrier and a system of Release 4.0 or later:
a. Loosen the thumb screw at the bottom of the carrier cover.
b. Rotate the carrier cover to disengage the tabs at the top of the modules from the openings
on the top of the carrier.
If you have a 5-slot carrier and a system of Release 3.0 or earlier:
a. Loosen the screw on the lower front of the cover.
b. Place one hand on the handle on the bottom front of the cover and place your other hand
on the top of the cover, and gently pull the cover up and away from the carrier. Be careful
not to break the tabs that attach the cover to the carrier.
CAUTION:
Remove all other PC Cards from the processor before initiating an upgrade.
Upgrading the System
On/Off Switch
Using a PC Card
10-3