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Automated Lighting, 2nd Edition by Richard Cadena

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APPENDIX D: DMX512-A Enhanced Functions

 

DMX512-A supports four different Enhanced Function Topologies, or ways to use the five pins of a 5-pin XLR connector. They include:

EF# Symbol (Optional) Description Comment
1 ← → Half duplex EIA-485-A signals on primary data link; return signals on primary data link controlled by a registered Alternate start Code; no functionality on secondary data link
2 Uni-directional DMX512 data on primary data → link (EIA-485-A signals) and return EIA-485-A signals on secondary data link
3 ← ← → Uni-directional DMX512 data on primary data link (EIA-485-A signals) and half duplex EIA-485-A signals on secondary data link Refer to manufacturer's instructions Refer to manufacturer's instructions
4 ← →← ...

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