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MAINTENANCE
84
2.
Unscrew the two thumbscrews located on each side of the NIU with a #2 Phillips
screwdriver. The screws are spring-loaded and will push forward, but they will
not fall out of the NIU.
Figure 6 - 114. Loosening Thumbscrews
3.
Pivot the two ejection levers outward at the same time, pulling the card out of
its connection to the motherboard and away from the system chassis. This action
disengages the NIU from the system, severing all electrical contact to the
processing unit.
Figure 6 - 115. Pivoting Ejection Levers Outward
Acme Packet 4500 Hardware Installation and Maintenance Guide
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