7-7
Installing an LPU
NSQ1GT8C40 and NSQ1XP20 are installed in the same way. NSQ1GT8C40 is taken as an example
here. Follow these steps to install the LPU:
Step1
Face the front panel of the firewall.
Step2
Locate the slot where you will install the LPU (slot 1 through slot 4), and remove the blank panel from
the position. For how to remove a blank panel, refer to “Installing and Removing a Blank Panel” on page
7-9.
Step3
Gently push the LPU into the slot along the slide rails until the positioning pin is seated in the positioning
hole on the backplane, and then push the ejector levers inward to lock the board in position.
Figure 7-9
Insert the LPU
Step4
Fasten the captive screws on the LPU by turning them clockwise with a Philips screwdriver.
Figure 7-10
Fasten the captive screws
Step5
Turn on the power switch of the firewall if the firewall is powered off.
Step6
After the LPU is powered on, the RUN LED (green) flashes once and then flashes fast (8 Hz). It flashes
slowly (1 Hz) after the application is loaded. This means that the LPU runs normally.