Manual Version
:6PW103-20121130
BOM:3123A13Q
iv
3
Installing and removing the NSQ1MPUA0
IMPORTANT:
MPUs are not hot-swappable. Before you remove MPUs, power off the firewall.
3.1
Installing the NSQ1MPUA0
1.
Locate the slot to install the MPU.
2.
Remove the filler panel from slot 0.
3.
Gently push the MPU into the slot along the slide rails until the positioning pins on the MPU are
seated in the positioning holes on the backplane. Then push the ejector levers inward to lock the
MPU in position.
Figure 3 Insert the NSQ1MPUA0
4.
Fasten the captive screws on the MPU with a Phillips screwdriver.
5.
The RUN LED (green) flashes fast (at 8 Hz). It flashes slowly (at 1 Hz) after the MPU application is
loaded. This means that the MPU is operating properly.
3.2
Removing the NSQ1MPUA0
1.
Face the front panel of the firewall.
2.
Loosen the captive screws with a Phillips screwdriver until all pressure is released.
3.
Pull the two ejector levers at both ends of the MPU outward to release the MPU, and then gently
pull the MPU out along the slide rails.
Put the removed MPU in an antistatic bag.
4.
Install a new MPU.
For how to install an MPU, see "
