The KanexPro MOD-IN-CAT6-4K is a 4K compliant, 4-Input card designed to work with the HDMMX Modular matrix switchers. It connects sources from remote locations, from up to 230 feet (70m) away, to be routed to any of the available outputs utilizing standard Cat 5e/6 cable with a TIA-568BThe RS232 connections for each input allow bi-directional control signals at the equipment rack to interface with source equipment when used with the HDBASE70POET transmitters.