Computer Connections Single KVM: 8 Cascade Chaining: Up to 512 Selection Method Switch Button, Hot-Keys (PS/2 Keyboard), and On-Screen-Display (OSD) LEDs Red for PC Selected Green for PC On-Line/Ready PC Connectors 8 x HDB-15 female Support both PS/2 and USB platform servers Console Ports Keyboard: 1 x 6 pin mini-DIN female Mouse: 1 x 6 pin mini-DIN female Video: 1 x HDB-15 female Firmware Upgrade Port Mini USB Auto-Scan Interval 5 - 90 seconds Video Resolution Max. resolution up to 2048 x 1536 @ 65 Hz Hot-swappable Yes Operating Systems Supported Windows 98SE/ME/2000/2003/2008/XP/Vista/7, Linux, Mac OS 9/OS X and Sun Microsystems Power 5V, 2A Housing Material Metal Operating Temperature 32°-122°F (0-50°C) Humidity 0%-80% Relative Humidity Certifications FCC, CE, C-Tick, IC, CSA Dimensions (L x W x H) 17.3 x 6.1 x 1.5 inches (44 x 15.7 x 4.5 cm) Weight 3.9 lbs (1750 g) Warranty 1 Year Limited Package Contents 8-Port PS2/USB Combo KVM Switch (KVM-440) 4 sets of 6ft 4-in-1 PS2/USB KVM cable Rack Mount Bracket Kit Set Power Adapter CD-ROM with Manual and Software Quick Install Guide