The Displayport KVM over IP offered by Beacon Links Inc.DP-961b is an IP based solution that extends 4K DisplayPort with USB and 3.5mm Audio, plus 2-way RS-232 across single CAT6 cable up to 100M in 4K, or SFP Fiber Module up to 10KM with SM, 300M with MM. Based on Gigabit Ethernet transceiver physical layer with adopt visually lossless video compression algorithm technology, the device achieves razor sharp video quality and robust performance in noisy environment.