3.5"x19" (2U) 48 Port Category 5e Feed-Thru Coupler panel with Cable ManagerDescription Features Downloads L com now offers a compact 2U (3. 5") Rack Height Panel that comes with 48 Category 5e Keystone style couplers installed. The PR35 C5E 48 CM also comes with a rear cable management bracket accessory kit that can be installed to provide a means to organize and secure your patch cabling. 19" x 3. 5" (2U) Rack panel with 48 Category 5e Keystone couplers for high speed data applications provide protection against unwanted