Install a PIC Cable

1. Have ready a length of the type of cable used by the PIC, as specified in the M20 and M40 Internet Routers PIC Guide. Figure 86 depicts the connector on fiber-optic cable.

Figure 86: PIC Fiber-Optic Cable Connector

2. Remove the rubber safety plug from the PIC cable connector port.  
   
   

   Do not look directly into the ends of fiber-optic cables or the transceivers on the faceplate of a PIC that connects to fiber-optic cable. Single-mode fiber-optic cable and the PICs that use it (such as ATM and SONET/SDH) emit laser light that can damage your eyes. Do not leave a transceiver uncovered except when removing or inserting the cable. The safety cap keeps the port clean and prevents accidental exposure to laser light.

   
    
3. Insert the cable connector into the cable connector port on the PIC faceplate (see Figure 87, which shows a fiber-optic connector).
4. Carefully thread the cable through in the cable management system, to prevent the cable from dislodging or developing stress points. Secure the cable so that it is not supporting its own weight as it hangs from the connector. 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. Never let fiber-optic cable hang free from the connector. Do not allow fastened loops of cable to dangle, which stresses the cable at the fastening point.

   
   
5. Verify that the PIC is functioning correctly by noting whether the normal function indicator LED is lit. The normal function indicator LED is usually green; for more information, see the M20 and M40 Internet Routers PIC Guide.

You can also verify correct PIC functioning by issuing the show chassis fpc pic-status command, described in Maintain FPCs and PICs.

Figure 87: Connect Fiber-Optic Cable to a PIC