Black Box KVM Switch - KVM switch - 4 ports

The KVM Switch, designed for plug-and-play operation, lets you share 2 or 4 CPUs with one keyboard, monitor, and mouse. Its front-panel pushbuttons let you switch directly to your desired CPU. The diagnostic LEDs let you easily monitor switch activity. And also, the Switch requires no external power supply, its low-power circuitry uses power from CPUs.