Prepare a Switch Unit for Removal

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Replace a switch unit when the replacement switch unit is available.

Complete the following steps before you remove a switch unit.

Note - The switch unit replacement kit includes plastic covers to protect switch unit connectors. Return these covers to Oracle.

Determine which switch unit requires service.
See Identify Faulted Components and Switch Unit LEDs.
If you are replacing a switch unit, unpack the new switch unit on a grounded antistatic mat.
See Prevent ESD Damage.
Verify that the switch unit has been removed from service.
```
-> show /System/Other_Removable_Devices/Scalability_Switch_Boards
    /Scalability_Switch_Board_x health  
    Properties:
      health = Offline
```
Determine your next step.
- If health returns a value of Service Required, go to Step 4.
- If health returns a value of Offline, go to Step 5.

Only if required, stop the server.

-> stop /System
    Are you sure you want to stop /System (y/n) ? y
    Stopping /System 
    ->

Prepare the switch unit for removal and verify that it is ready.
```
-> set /System/Other_Removable_Devices/Scalability_Switch_Boards
    /Scalability_Switch_Board_x action=prepare_to_remove
```
When the switch unit is ready to remove, the blue Ready to Remove LED will light.

Note - If you issue the prepare_to_remove command but decide not to remove the switch unit, you must return the component to service. To do this, either issue the return_to_service command or physically remove the switch unit from the server and reinstall it.
Remove the plastic covers from the connectors on the new switch unit and set them aside for installation on the old switch unit connectors, once you have removed it from the system.

SPARC M8 and SPARC M7 Servers Service Manual