Question about Hub and selecting Pixelnet Universe.

[jeffcoast]

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?

[Newoddity]

The jumper will connect pin 1 to pin 1, or pin 2 to pin 2, etc...

[jeffcoast]

I understand how the jumpers work, but why are there 2 of them?

[rrowan]

If I got this correct

The first four pick the pixelnet universe
The second four what part of the pixelnet universe to use

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Title Pixelnet Hub DMX channel chart

Rick R.

[tbone321]

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. 

[RJ]

Yes this is correct. They should always match.

RJ

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RJ

[jeffcoast]

Thanks for the clarification.