[SML] DMX cable 2-into-1

[Sean McCarthy]

Also, to add to the discussion....how would this product be the same/different?


http://www.tmb.com/products/82-sneak-snake

On Wed, Dec 10, 2014 at 9:56 AM, Sean McCarthy <seanrmccarthy at gmail.com> wrote:
> Is that concern still the same if the DMX generator (the console in
> this case) is sending both universes?
>
> As in, "tail A" is in 1-512 and "tail B" is in 513-1024, etc?
>
> On Tue, Dec 9, 2014 at 4:42 PM, David Fox via Stagecraft
> <stagecraft at theatrical.net> wrote:
>>
>> Any type of DMX 2-fer makes me really twitchy because each universe should have its own data common line and you can't do that with a 5 pin XLR.
>>
>> Using a single 5 wire cable with a shared wire to act as the Data Common for both  universes means that your common is now doing double duty and splitting out of the daisy chain topology.
>>
>> Even if the wire used between 2fers contains 2 independent pairs each with their own shield like Belden 9729 or TMB's PC244Tproplex cable, you still have no way of connecting each of the commons.
>>
>> Just my .02
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>> Be Seeing You
>> David
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