Aten Rackmount KVM Switch 8 Port VGA PS/2-USB, 2x Custom KVM Cables Included, Broadcast Mode, Daisy Chainable for up to 256 DevicesThe CS1708A KVM switch is a control unit that allows access to multiple computers from a single PS 2 or USB console (keyboard, mouse, and monitor). A single CS1708A can control up to 8 computers. As many as 31 additional switches can be daisy chained to each other, so that up to 256 computers can all be controlled from a single keyboard monitor mouse console. Additionally, a front panel USB port is available for each computer to access any peripherals