Installation  15 
 
WARNING: To reduce the risk of personal injury or damage to the equipment, be sure that: 
•  The leveling feet are extended to the floor. 
•  The full weight of the rack rests on the leveling feet. 
•  The stabilizing feet are attached to the rack if it is a single-rack installation.  
•  The racks are coupled together in multiple-rack installations.  
•  Only one component is extended at a time. A rack may become unstable if more than one 
component is extended for any reason. 
 
 
 
 
NOTE: If preparing the rails for integrated shipping, follow the same instructions as in 
"Installing the UPS ("Installing the UPS as a tower" on page 26, "Installing the UPS in a rack" 
on page 18)." 
 
 
  NOTE: Mounting hardware for square- and round-holed racks is included in the UPS kit. 
 
1.  Loosen the wing nuts or hex nuts, and then extend the brackets to the desired length.