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For a single-rack installation, attach a stabilizer to the rack.
For a multiple-rack installation, couple (attach) the racks together.
Always make sure that the rack is stable before extending a component from the rack.
Extend only one component at a time. Extending two or more simultaneously might cause the rack to become
unstable.
The handles on the left and right of the front panel of the appliance should be used only for extending the appliance
out of the rack. Do not use these handles for mounting the appliance on the rack. Use the rack-rail hardware,
described later, instead.