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Reply to "SS8 Question"

Jingles is correct that it is in the impedance of the cables. DMX is 110 ohms standard. The protocol also calls for 5 pin cable, when it only uses 3 wires. It was made 5 pin originally for expansion, so you could have 2 pairs running down one cable, or for other data of some sort. DMX is dieing however, so it will never be expanded to use the extra pins.

Also, for longer runs, Jingles is right that you should only use DMX. You can however start to see problems with mic cable vs DMX at any length. Don't forget to terminate longer runs of DMX as well.
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