•One USB-PS/2 console controls 8 computers •Cascade up to 2 levels* - control up to 64 computers •Dual Interface - supports computers with PS/2 or USB keyboards and mice •Multiplatform support - Windows 2000/XP/Vista, Linux, Mac, and Sun •Video DynaSync™ - Exclusive ATEN technology eliminates boot-up display problems and optimizes resolution when switching between ports •Supports USB keyboards for PC, Mac and Sun •Auto PS/2 and USB interface detection •USB or PS/2 keyboard and mouse emulation - computers boot even when the console focus is elsewhere •Superior video quality - up to 2048 x 1536; DDC2B •Computer selection via front panel pushbuttons, hotkeys and multilingual on-screen display (OSD) menu •Two level password security - only authorized users view and control computers; up to four users and an administrator with a separate profile for each •Auto Scan feature for monitoring user-selected computers •Hot pluggable - add or remove computers without having to power down the switch •Buzzer on/off via hotkey and OSD •Firmware upgradeable •No software installation required •Designed for desktop or rack mount (19' system rack, 1U) *Cascade function only works with USB KVM cable set connections. Compatible Cables: 2L-5201P, 2L-5202P, 2L-5203P, 2L-5206P, 2L-5202U, 2L-5203U, 2L-5205U