Remove and Replace the Ethernet Hub Mounting Bracket in an Expansion Cabinet

1. Before starting this service action enable the reserve cabinet(s) function.

   a) Reserve the cabinet(s) for maintenance.

   b) Enter a description of the service action (i.e. replacing hub bracket).

   c) Select the estimated amount of time of the service action from the pull-down.

   d) Select the Reserve button.

   e) Other users will be alerted that this service action is in progress when they log in.

2. From the rear unscrew the two captive fasteners on the right side of the Ethernet hub mounting bracket.

3. Open the Ethernet hub mounting bracket to gain complete access to the cables.

4. Disconnect the power cable from the Ethernet hub.

5. Verify that all Ethernet cables are labeled.

6. Disconnect all of the Ethernet cables.

7. Unscrew the four screws (two on the left and two on the right) that secure the Ethernet hub to the mounting bracket and remove it from the mounting bracket. Hold on to the Ethernet hub when removing the screws so it does not fall.

   a) View the hub assembly illustration.

8. Remove the defective hub mounting bracket. Note the location of where the mounting bracket was mounted to the cabinet to ensure proper placement of the new mounting bracket.

9. Install the new hub mounting bracket to the cabinet frame.

10. Place the Ethernet hub in the new mounting bracket and secure it with the four screws (two on the left and two on the right).

11. Insert the power cable to power on the Ethernet hub.

12. Verify that the green Power LED is On.

13. Reconnect all of the Ethernet cables.

14. Close the Ethernet hub mounting bracket and tighten the two captive fasteners.

15. Disable the reserve cabinet(s) function.

    a) Release the cabinet(s).

    b) Select the Release button.