Replace an Ethernet Cable From FBS to FMM

This task can take approximately 45 minutes to complete.

1. Remove FBS cover at the slot where the faulty cable is located.
2. Disconnect the faulty cable.
3. Connect the replacement cable.
4. Remove the nearby FBS covers, and start laying in the replacement cable, reinstalling FBS covers as you install the cable toward the FMM.

   See Replace an FBS PCB for FBS cover removal instructions.

   See Precautions for Handling Cords and Cables.

5. When the cable is at the FBS before the FMM (slot 18 or 21), install the remaining FBS covers.
6. Remove the cosmetic covers from slots 19 and 20.
7. Remove the front and rear node support brackets at slot 20.
8. If necessary, remove the cosmetic cover mounts to plug in the replacement cable.
9. Disconnect the faulty cable from the FMM.
10. Coil up the excess replacement cable.
11. Connect the cable to the FMM port vacated by the faulty cable.
12. Reinstall the node support brackets (slot 20).
13. Reinstall the cosmetic cover mount (if removed), and the cosmetic covers.
14. Reboot the FMM.

Related Information

• Front Components

• Identifying Component Locations and Slot Numbers

• Safety and ESD Precautions

• Identifying Port Mapping

• Replacing Switches

• Replacing the FMM