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Reply to "DMX-512 Wiring and Issues"

I have heard of one case that a dmx opto branch 4 could have saved someone's ass. some club or venue had a nice thunderstorm going. Lighting struck near by and all the power went out. when the lighting guy turned his computer back on and tried to open compu live his interface would power on but would not output dmx. The lightning strike and the power going out sent a spike through the power outlets into his DMX line and blew his DMX chip in the interface. and I think one or two of his fixtures blew too. Had he had a dmx opto branch 4 the only thing he would have lost was one output on the opto branch 4. that is why they are optically isolated.
another handy tip for the opto branch 4 is if you have more than one you very easily throw it in the middle of the line anywhere and split it another 4 ways. So if you have 2 opto branch 4's you can do numerous splits of your DMX line. Hope this helps.
Sincerely,
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