This 16 Port USB+PS/2 KVM Switch Module is designed for use with StarTech.com's 1UCABCONS (1UCABCONS, 1UCABCONS17, 1UCABCONS19) 1U Modular LCD KVM Rack Console, allowing the console to control both USB and PS/2 controlled computers/servers. The USB+PS/2 KVM Switch Module is 1U in height, allowing you to neatly position it behind a rackmounted console to provide additional functionality. A scalable and versatile KVM solution, the USB+PS/2 module can be cascaded with multiple KVM switches, delivering control of up to 136 computers from this single module. Featuring a rugged and durable design, the USB+PS/2 module for StarTech.com's 1UCABCONS series is backed by our 3-year warranty.