Oracle Acme Packet 4600 Hardware Installation And Maintenance Manual page 82

Caution
NIU Installation
82
Note: This will cause a link loss on all connections.
4. Using a #2 Phillips screwdriver or your hands, unscrew the two captive
thumbscrews located on each side of the NIU. The screws are spring-loaded and
will push forward, but they will not fall out of the NIU.
System
Power
On Stby
Stby DIS
Console Alarm
Figure 6 - 104. Loosen NIU Captive Thumbscrews
5. With thumb and index finger slide ejector levers inward prior to pivoting
ejectors.
Failure to follow this step may cause damage to the NIU
ejectors:
6. Slide the lever catch and pivot the two ejection levers outward at the same time,
pulling the card out of its connection to the motherboardand away from the
system chassis. This action disengages the NIU from the system, severing all
electrical contact to the processing unit.
Figure 6 - 105. Pivoting the Ejection Levers
7. Remove the loosened NIU out of the Acme Packet 4600 by holding and pulling
on each side of the NIU's front panel.
8. Place the NIU in an antistatic bag while it remains outside of the Acme Packet
4600 System chassis.
To install an NIU into the Acme Packet 4600 chassis:
1. Locate the NIU.
2. Ensure that the ejection levers on the front of the card are in the open and
extended position.
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