The B022-U08 NetDirector 8-Port 1U Rack-Mount KVM Switch allows IT professionals to control up to eight computers from one keyboard, mouse and monitor. The unit mounts into 1U of rack space and serves as either a stand-alone KVM switch or an expansion unit to other NetDirector KVM switches, such as Tripp Lite's B020-U16-19-K. The B022-U08 is compatible with all major operating systems. Daisy-chain up to 31 additional units to control a maximum of 264 computers. When connected as part of a daisy-chain, each individual B022-U08's position is sensed automatically without needing to manipulate DIP switch settings. The advanced on-screen display(OSD) is available in English, Spanish, French, German or Japanese and supports high-definition video up to 2048 x 1536. Compatible with both USB and PS/2 connections using the included cable kit, this KVM switch allows you to switch between connected computers using front-panel pushbuttons, the OSD or keyboard hotkey commands. And by connecting an optional Tripp Lite B051-000 Server Remote Control, you'll be able to control all connected computers from anywhere via LAN, WAN or the Internet. Two levels of security allow you to delegate proper access to approved personnel up to four Users and one Administrator. A convenient auto-scan feature lets you monitor all connected computers without having to manually switch between them. A front USB 1.1 port lets you share flash drive or external hard drive data with the connected computers.