3Com CoreBuilder 9000 ATM Interface Module Quick Start Manual page 21

Removing the This section describes how to remove the OC-12/STM-4 daughter card.
OC-12/STM-4
Equipment Required
Daughter Card
To remove the OC-12/STM-4 card you need:






Removal Instructions
To remove the OC-12/STM-4 card:
1 Remove the three countersink screws from the faceplate (Figure 18) using
a #1 phillips-head screwdriver in the following order:
a Right of daughter card
b Left of daughter card
c Center of daughter card
Save the screws for future use in the part bag the screws were shipped in.
Figure 18 Removing the Countersink Screws
2 Remove the screw and washers from the top of the OC-12/STM-4 card
(Figure 19). Put the screw and washers aside for later use in the part bag
that the screws were shipped in.
A #1 phillips-head screw driver
The antistatic bag that the OC-12/STM-4 card was shipped in
The protective plate (if you are removing and not replacing the
module)
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