[linux-audio-user] cabling question: crosstalk between audio and cat5 ethernet?

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> the idea is to run an eight-way symmetric audio multicore (shielded
> pairs and an outer foil shield as well) along with 4x cat5 s/stp
> cables carrying 10/100/1000baseTX ethernet in the same cable duct
> over a length of about 15-20 meters.

The only thing I'd have to add is that multicore is not actually 
designed to be used with microphones and mixers - it's a bit flimsy 
for that, as an XLR plug is designed for a much fatter individual 
cables. It's actually designed for those rectangular multiway plugs 
with lots of pins.

If I was rebuilding my studio from scratch, I'd use full sized cable 
with braided shielding for all the looms. (The multicore was already 
installed by the time I moved in). It might need bigger ducting, but 
I suspect the interference rejection once the loom has been split 
into individual wires would be much greater.

You don't need to have the wires outside of the outer shielding with a 
multiway plug, but if you have a mixer with XLRs or a patch panel... 
 
Cheers

Daniel


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