19" LCD Console (USB - PS/2) (LED). The CL3000N Lightweight PS/2-USB LCD Console is a LCD KVM console that serves as the front end console for compatible KVM switches. Lightweight and with a 19" power-saving LED-backlit LCD, the CL3000N offers a space-saving, streamlined approach to KVM switch technology by integrating a keyboard, LED-backlit LCD monitor, and touchpad in a 1U housing.