The Silver Frame Wall-Mount provides an elegant and premium quality enclosure for protecting and securing your rack-mount equipment. Uses less space than conventional floor Racks With 3"D Channels or enclosures. Unique dual-locking hinge design provides convenient front and rear access. With the 5.5" x 10.3" cable pass-through port in the center of the back panel, it is possible to route cable through the wall directly into the mounted cabinet for a more secure installation.