The 2RU panel is an addition to the manufacturer's line of Opt-X fiber-patch panels. The 3.5-in. panel accommodates up to six mounting plates and can support a variety of different adapters, including ST, SC and MT-RJ. The six mounting plates support up to 72 fibers in MT-RRJ or SC adapters or 48 fibers for ST adapters. The panel is constructed of 16-gauge heavy steel with a black-paint finish and features trimmable, self-healing grommets for better fit and dust resistance at cable-egress/ingress points. Leviton Voice and Data Division