DMX Protocol
Caution
This page is still in development and some parts are still in French language.
DMX is for Digital Multiplexing. It’s a data transmission protocol to control lights and effects.
DMX applications
Network topology
Low-level Protocol
Communication protocol
DMX512 protocol is based on an unidirectional EIA-485 (RS-485) differential signaling as its physical layer.
Physical interface
Application layer of the protocol
The application layer is a packet-based communication protocol.
Each channel of the DMX trame is a byte corresponding to a parameter to control a color, an effect or a setup of a light connected to the DMX line.
