7-8
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If there is a great resistance when you push an LPU into a slot, first remove the blank panels above
and below the slot, then install the LPU, and finally install the removed blank panels to prevent dust
from entering the chassis.
z
Do not insert or remove an LPU when the RUN LED on the LPU is blinking fast. Otherwise, an
exception may occur.
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LPUs can be installed in slots 1 through 4 of the F5000-A5. The LPUs are powered on in the
sequence of slot 1, slot 2, slot 3, and slot 4, with RUN LEDs lighting up in turn.
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For more information of the LPU LEDs, refer to Chapter 1 “Firewall Overview.”
Removing an LPU
Follow these steps to remove an LPU:
Step1
Face the front panel of the firewall.
Step2
Locate the LPU to be removed. The figures below illustrate how to remove the LPU in slot 2.
Step3
Loosen the captive screws on the LPU by turning them counterclockwise with a Philips screwdriver.
Figure 7-11
Loosen the captive screws
Step4
Pull the two ejector levers at both ends of the LPU outward to release the LPU, and then gently pull the
LPU out along the slide rails.