Add control of up to 8 USB (Universal Serial Bus)-based servers or KVM switches to your 1UCABCONS series LCD console. The CAB831HDU 8-Port USB (Universal Serial Bus) KVM Switch Module is designed for use with Star Tech.com's 1UCABCONS series (1UCABCONS, 1UCABCONS17, 1UCABCONS19) 1U LCD Rack Consoles, allowing control of up to 8 USB (Universal Serial Bus)-controlled PCs or servers from a single console.