The ATEN VS481C is an outstanding 4 - port True 4K HDMI switch. It's perfect for applications where you need to route 4 sources to a single compatible display device. This switch offers reliable transmission with video resolutions reaching True 4K (4096 x 2160 @ 60Hz 4:4:4), data rates up to 18 Gbps, support for 3D, Deep Color up to 12 - bit, and HD lossless audio formats. It comes with integrator - friendly features like auto - switching modes for easy port selection, bi - directional RS - 232, and IR for remote device control. Key features include the ability to connect up to 4 HDMI sources to one HDMI display, compliance with HDMI 2.0 (3D, Deep Color, 4K) and HDCP 2.2, superior video quality at True 4k resolutions of 4k x 2k @ 60 Hz (4:4:4), support for HDR10+ and IR extension, a built - in bi - directional RS - 232 serial port for high - end system control, auto - switching modes, LED indication of source device status, and a plug - and - play design.

Using the ATEN VS481C is easy. First, connect up to 4 HDMI sources to the 4 HDMI Type A Female (Black) input ports. Then, connect your HDMI display to the single HDMI Type A Female (Black) output port. Plug in the power using the DC Jack (with locking). You can use the auto - switching modes to let the switch automatically select the port, or you can control it via the RS - 232 port using a DB - 9 Female (Black) connector or the IR receiver with the Mini Stereo Jack Female (Black). When using it, keep it in an environment with an operating temperature between 0 - 40 Degrees C and humidity between 0 - 80% RH (Non - Condensing). For storage, the temperature should be between - 20 - 60 Degrees C. To maintain the switch, keep it clean and free from dust. Avoid exposing it to extreme temperatures or moisture. If you encounter any issues, check the connections first and make sure the power supply is stable.