The KA7920 PS/2 KVM Adapter Cable connects the KVM switch to the video, PS/2 mouse and PS/2 keyboard ports of the target computer. With its small form factor and light weight design, it fits perfectly into most of the rack-mount or desktop servers. Keyboard and mouse emulation - keeps your server functioning smoothly when it is disconnected from the switch's KVM port or relocated to different KVM port. Built in 4.5m Cat 5 cable. Hot pluggable - add or remove computers without having to power down the switch.