DiyLightAnimation
Hardware => Lynx Smart String => Topic started by: jeffcoast on July 26, 2011,
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I am a little confused by the headers for the Smart String Hub. On the board there are headers to select Pixelnet Universe, marked 1 2 3 4 1 2 3 4 with a line between. In the Manual it says to put the jumper over Pins #1. My question is, why are there 2 sets of 1234, and do they always have to be on the same Pin number?
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The jumper will connect pin 1 to pin 1, or pin 2 to pin 2, etc...
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I understand how the jumpers work, but why are there 2 of them?
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If I got this correct
The first four pick the pixelnet universe
The second four what part of the pixelnet universe to use
See the Chart in the wiki http://www.diylightanimation.com/wiki/index.php?title=Equipment#Smart_Strings
Title Pixelnet Hub DMX channel chart
Rick R.
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It uses two sets of jumpers bcause the wires are in pairs. Each jumper controls one side of the pair. If they used a common ground then there would only be the need for one jumper but doing that would kill the ability of twisted pair to cancel out EMI.
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Yes this is correct. They should always match.
RJ
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RJ
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Thanks for the clarification.