Wiktionary
rack-mounted
a. Describing electronic equipment that is mounted in a standard (usually 19 inch) rack
Usage examples of "rack-mounted".
I am actually writing this editorial with my rack-mounted iPaq handheld while speeding down the sidewalk at the maximum 12 MPH on my little Segway, scattering dogwalkers and joggers as I go, moving this beautiful two-wheeled cart merely by tipping my body slightly forward -- or "intending forward" -- which leaves my hands, and eyes, free to pen this important memo.
He gathered his M-16 rifle and the rack-mounted police shotgun, then went around to the trunk and rapped on it.