NEC SL1100 - Figure 2-67 Plastic Knockouts; Figure 2-68 Replacing the Main-Cover

7. Cut and remove the Plastic Knockouts as required for each Expansion interface card.
Main-Cover
Plastic
Knockouts
EXP.1st PCB
EXP.2nd PCB
Figure 2-67 Plastic Knockouts
8. Replace the Main-Cover and fasten two screws.
Two screws
Hooks
Main-Cover
Figure 2-68 Replacing the Main-Cover
ISSUE 6.0 SL1100
Hardware Manual 2-47