The DVR4X4S is a non-blocking matrix switch provides an easy and dynamic approach to creating multiple computer stations, each having the ability of accessing any one of the CPU’s or displays instantly, either directly or remotely using RS232 commands and infrared. The DVR4X4S, 4x4 router provides single-link DVI operation at the maximum TMDS rate of 2 x 1.65 Gb/sec. at resolutions up to 1920x1200. The DVI signals can be transmitted through 190 feet of copper at the maximum TMDS rate on both the input and output sides of the switch.