DCMMV8X8SM is an 8x8 Multi-Mode Video Matrix Switch Module from ITT Systems. It is a multi-mode video switch that offers users the capability to switch between eight (8) different inputs, including composite, YC, YUV, and RGB. The outputs can be selected to provide multiple types of digital signals, including SDI, HDMI, and even fiber optics. The switch also offers the ability to select different resolutions and formats, including HD and 4K. This versatile module is designed to be used in broadcast or professional AV environments, allowing users to easily switch between multiple sources and devices.