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| Sun Network 10GbE Switch 72p ### User’s Guide

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## Remove the Battery

Note - This procedure assumes that you have removed all Ethernet cables from the switch and have powered down both power supplies by removing both power cords.

1. Remove all Ethernet cables and power down both power supplies.

   See:

   - Remove an Ethernet Cable

   - Power Off a Power Supply

2. Disconnect the management cables.
3. Use a No. 2 Phillips screwdriver to remove the four screws that secure the rear of the switch into the rack.
4. Slide the switch out of the rear of the rack.
5. Set the switch chassis onto a stable work surface.
6. Use a No. 1 Phillips screwdriver to remove the eight screws that secure the rail brackets at the front sides of the switch chassis.
7. Remove the eight screws that secure the post brackets at the rear sides of the switch chassis.
8. Remove the 16 screws that secure the top cover to the switch chassis.

   There are five screws on each side and six screws across the top rear of the cover.

9. Slide the cover rearward and lift it off.
10. Depress the clip that retains the battery and release the battery from the main board.
11. Properly dispose of the old battery.
12. Install a new battery.

    See Install the Battery.

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