This four-port switch in the AutoView 400 line lets you connect to four systems whether they are PC Sun or USB machines and on-screen display lets you easily switch between them all. The embedded LongView extension capability lets you add an optional second user to the system. This slim 1.75"" high switch is also ideal for rack mounting.Features and Benefits ' The AutoView 400 line supports IBM PC/AT and PS/2 systems and 100% compatible machines with support for VGA SVGA XGA and XGA-II video. More importantly the AutoView 400 line are the only switches today that also supports USB computers and Sun workstations all in a slim 1U high chassis ' AutoView 400 line is compatible with any PC operating system including Windows 3.x Windows 95/98 DOS or Window NT/2000. The system supports Plug and Play video and is compliant with the VESA DDC2B standard ' PS/2 keyboard PS/2 mouse and Sun peripherals are all supported through the rear of the units ' Measuring 1.7""(H) x 17.2""(W) x 6.5"" (D) the AutoView 400 line is easily rack mountable