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In 1998 the ESTA began a revision process to develop the standard as an ANSI standard. The resulting revised standard, known officially as "Entertainment Technology—USITT DMX512-A—Asynchronous Serial Digital Data Transmission Standard for Controlling Lighting Equipment and Accessories", was approved by the American National Standards Institute (ANSI) in November 2004.
Many memory consoles have a bank of faders. These faders can be programmed to control a single channel (a channel is a lighting designer's numerical name for a dimmer or group of dimmers) or a group of channels (known as a ""submaster""). The console may also have provision to operate in analog to a manual desk for programming scenes or live ...
Remote Device Management (RDM) is an addition to the DMX512 control protocol for stage lighting equipment, introduced in 2006. DMX512 was developed in the late 1980s as a standard protocol for lighting consoles to communicate with dimmers, but has since been used for more complex applications, including the control of intelligent lighting fixtures.
The protocol can address 32768 DMX "universes", each of 512 channels, limited by bandwidth. The fixed addressing can be problematic in networks with other addressing requirements. [3] Revision Q of the protocol addressed this problem by adding 10.0.0.0/8 as an addressing scheme. For node discovery, broadcast packets are used.
EMC Symmetrix DMX models DMX, DMX2 DMX-800, DMX-1000, DMX-2000, DMX-3000 2003 144 / 288 / 576 DMX3, DMX4 1500, 2500, 3500, 4500 2005 240 / 960 / 1440 / 2400 64 / 144 / 216 / 256 GB EMC Symmetrix VMAX models VMAX VMAX, VMAXe, VMAX-SE, VMAX 10K, VMAX 20K, VMAX 40K 2009+ 1080 / 2400 / 3200 512 / 1024 / 2048 GB Dell EMC VMAX models VMAX3
Javid Butler 09:35, 23 February 2007 (UTC) Page name should be changed to DMX512, which is the only name the protocol has ever had. [I aggree with you the name should be changed to the generic name, DMX512-A refers only to the 2004 revision of DMX512 and the article deals also with older revisions so the title is at least a bit misleading...
The dimmer board, now referred to as the lighting console, especially with newer digital control systems like DMX, uses a serial data stream to control multiple groups called "universes" of 512 DMX addresses to control compatible fixtures including dimmers, via different methods leading to a single twisted pair of wires connected to the fixtures.
The major advantage of a lighting control system over stand-alone lighting controls or conventional manual switching is the ability to control individual lights or groups of lights from a single user interface device. This ability to control multiple light sources from a user device allows complex lighting scenes to be created.