Tripp Lite BP192V12RT3US Owner's Manual page 5

Mounting (4-Post Rack)
3 Using the included hardware, attach the
mounting brackets to the forward mounting
holes of the cabinet. The mounting bracket
"ears" should face forward. (Some equipment
may have pre-installed or integrated mounting
brackets.)
4
With the aid of an assistant (if necessary), lift
the battery pack chassis and slide it into the
shelves. Attach the equipment mounting
brackets to the forward mounting rails with
user-supplied screws and washers
all screws securely.
3
. Tighten D
D
4
5
D