Perform these steps to remove the Manager Appliance.
Turn off the Manager Appliance and disconnect it from the power outlet.
Disconnect all cables, such as network cables. Disconnect the monitor, keyboard, and mouse cables as well, if installed.
If installed, remove screws securing the appliance to the rack mount rails.
Pull the appliance out of the rack until the safety catches stop the movement.
Rotate the release latch at the front of each rail to disengage the safety catch.
With help from another person, lift the system completely out of the rack.