Feed all your cables through these CAT5e patch panels. Unique design features RJ-45 PCSD plugs on both sides of the patch panels. Feed-through connectors provide super-easy cable management. This patch panel is perfect for voice and data transmission up to 100 Mbps. It works with either T568A or T568B wiring, and is ideal for locating desktop concentrators or hubs on a 19" rack.