The CS1316 KVM switch allows access and control up to 256 computers from a single console (keyboard, mouse, and monitor). As many as 16 additional switches can be cascaded bringing the total number of connected computers to 256 computers that can be controlled from a single keyboard-monitor-mouse console. The switch supports both USB and PS/2 connections for the console and computers. 1x CS1316 KVM Switch with Rack Mount Kit 1x LIN5-27X6-U21G Console cable 1x Firmware Upgrade cable 1x Foot Pad set (4 pads) 1x 0AD8-1605-24M1 Power Adapter 1x User Instructions