ADDER USB Keyboard & Mouse Switch 4-port

A KVM switch allows multiple PCs or servers to be controlled from a single keyboard and mouse. This product supports the connection of up to four computers via USB. Monitors must be connected directly to the PCs. The KM switch also offers analogue/digital audio via a 3.5 mm/S/PDOF jack and a 2-port USB hub (2 x USB 2.0 Type-A) for additional peripherals. Allows you to switch between USB keyboard and mouse, as well as additional USB 2.0 audio devices--either together or separately Switching can be performed automatically by moving the mouse to a different monitor, via a hotkey, or using a button on the switch. 1 U Suitable for installation into 48.3 cm (19") racks (optional rack kit: RMK9) Cross-platform compatibility Metal housing Colour: Black / grey Connections: Connections: Input: 2 x USB 2.0 Type-A port (keyboard/mouse), 2 x USB 2.0 Type-A port (for additional peripherals), 1 x 3.5 mm jack (analogue and digital, incl. S/PDIF), 1 x 10P10C (RJ45 - for firmware upgrade); output: 4 x USB 2.0 Type-B port, 4 x 3.5 mm jack (analogue and digital, incl. S/PDIF) Includes: 1 x AC adapter Please note: A warranty extension of up to five years is available as an option.