The Martin LightJockey DMX USB Interface connects a Windows PC running LightJockey or compatible lighting software to DMX‑512 lighting equipment via USB. It provides real‑time control over stage lights, moving heads, LED fixtures and architectural lighting. Simple and compact, it is ideal for live shows, events, mobile rigs or fixed installations where computer‑based control is needed. Key Features - USB to DMX‑512 bridge that allows a PC to output DMX signals to lighting fixtures and controllers. - Supports two DMX universes on many models allowing simultaneous control of up to 1024 DMX channels or more depending on configuration. - Includes XLR 5‑pin (and sometimes 3‑pin adapter) connectors for DMX in and DMX out to interface with standard lighting gear. - Plug and play setup with included USB cable and installation instructions for quick integration into live lighting systems. - Compatible with major lighting control software and supports fixture libraries, effects, cues and audio/MIDI triggering.