ANSI E1.11-2004, Entertainment Technology — USITT DMX512-A —Asynchronous Serial Digital Data Transmission Standard for Controlling Lighting Equipment and Accessories, is available for purchase as a PDF or as a hard copy. ANSI E1.11 is an updating of USITT's DMX512/1990—hence, the "USITT DMX512-A" in the title. The USITT standard was very short (six pages) and loose on some of its requirements. The new version tightens up some of the specifications and adds some provisions for additional ...

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