Features. - 4-port KVM switch with USB 2. 0 support and 2. 1 surround sound audio- One console controls four computers and two additional USB devices- 2-port USB 2. 0 hub built in- USB 2. 0 compliant- Dual interface - supports computers with PS/2 or USB keyboard and mouse configurations- Audio enabled - full bass response provides a rich experience for 2. 1 surround sound systems- Console audio ports on front panel for easy access - ideal for IP phone users- Supports both USB and PS/2 keyboards and mice - flexible configurations available with the included USB-to-PS/2 converter: USB keyboard and mouse; PS/2 keyboard and mouse; or PS/2 keyboard and USB mouse- Independent switching of KVM, USB, and Audio focus- Superior video quality; 2048 x 1536; DDC2B- Supports widescreen resolutions- Computer selection via front panel pushbuttons, multilingual OSD (On Screen Display), and mouse- Multiplatform support - Windows , Mac, and Sun- Console mouse port emulation / bypass feature supports full mouse driver and multifunction mice- Video DynaSync⢠- stores the console monitor's EDID (Extended Display Identification Data) to optimize display resolution- Complete keyboard emulation for error-free booting- Sun/Mac keyboard support and emulation*- Auto Scan Mode for monitoring all computers- LED Display for easy status monitoring- Easy installation no software required- Firmware upgradeable*1. PC keyboard combinations emulate Sun/Mac keyboards*2. Sun/Mac keyboards only work with their own computersPackage Contents. - 1x 4-Port USB 2. 0 KVMP⢠Switch- 2x 2L-5301U USB KVM Cables- 2x 2L-5302U USB KVM Cables- 1x UC20KMZ-A-11 USB-to-PS/2 Converter- 2x OSD/Hotkey Stickers- 1x Firmware Upgrade Cable- 1x 0AD6-1605-24EG Power Adapter- 1x User Instructions