DMX-512 is all about communication, and is the most common stage lighting language. It is a digital communication that started simply with sending command information from the lighting controller to the dimmer. As technology has advanced, we now use DMX not only for dimmers but for fixtures, foggers, gobo rotators, variable irises, and so on. The largest benefit is that you can use many different types of equipment from many different manufacturers together. If you would like to learn more about how basic lighting systems function, please visit our free StageLightingTextbook.com