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Removing a PIC
The PICs are located in the FPCs installed in the front of the router.
A PIC weighs less than 2 lb (0.9 kg).
To remove a PIC, follow this procedure (see Figure 10):
an electrostatic bag or antistatic mat on a flat, stable surface to receive
the PIC. If the PIC connects to fiber-optic cable, have ready a rubber safety
cap for each transceiver and cable.
an electrostatic discharge (ESD) grounding strap to your bare wrist and connect
the strap to one of the ESD points on the chassis.
Use one of the following methods to take the PIC offline:
- Label the cables connected to the PIC so that you can later reconnect
each cable to the correct PIC.
the cables from the PIC. If the PIC uses fiber-optic cable, immediately cover
each transceiver and the end of each cable with a rubber safety cap.
Do not look directly into a fiber-optic transceiver or into the ends
of fiber-optic cables. Fiber-optic transceivers and fiber-optic cable connected
to a transceiver emit laser light that can damage your eyes.
Do not leave a fiber-optic transceiver uncovered except when inserting
or removing cable. The safety cap keeps the port clean and prevents accidental
exposure to laser light.
the cable in the cable management system to prevent it from dislodging or
developing stress points. Secure the cable so that it is not supporting its
own weight as it hangs to the floor. Place excess cable out of the way in
a neatly coiled loop in the cable management system. Placing fasteners on
the loop helps to maintain its shape.
Avoid bending fiber-optic cable beyond its minimum bend radius. An arc
smaller than a few inches in diameter can damage the cable and cause problems
that are difficult to diagnose.
- For an FPC3 PIC, loosen the captive screw at the bottom of the
PIC faceplate, then twist the ejector handle at the top of the faceplate counterclockwise
to unseat the PIC. For an FPC1 or FPC2 PIC, loosen the captive screws at the
top and bottom of the faceplate.
the PIC out of the FPC card carrier and place it in the electrostatic bag
or on the antistatic mat.
- If you are not reinstalling a PIC into the emptied PIC
slot within a short time, install a blank PIC panel over the slot to maintain
proper airflow in the FPC card cage.
Figure 10: Removing a PIC
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