The DL-MUX is a KVM switch where 4 computers is able to operate over a 1 user console. It handles the switching signals of the keyboard/mouse, dual-link DVI and VGA, audio, and the USB 2.0. This product is also available in variants transmitting of 1, 2, 3, or 4 video channels. With its functionality, this device is suitable for mission-critical applications.