The NovaStar MX20 COEX Processor and Controller is an all‑in‑one unit that takes common video sources and turns them into the data an LED wall needs, combining processing and control in one chassis. It accepts 2x HDMI 1.3 and 1x 3G‑SDI inputs (with loop‑through), then sends the output to the screen through 6x Gigabit Ethernet ports and 2x 10G optical ports, which are helpful when the controller and display are separated by longer distances. It supports a total load of up to 3.9 million pixels and can manage up to 3 independent layers, so you can build simple, multi‑window layouts or overlays without adding extra hardware. The MX20 is also designed to work with NovaStar’s VMP (Vision Management Platform) software for configuration and monitoring, and it includes tools like image scaling, low‑latency operation, and color/grayscale adjustment features aimed at keeping an LED wall consistent across different content types.