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

Chris Pickett chris.pickett at mail.mcgill.ca
Sat Feb 7 16:46:12 EST 2004


Joern Nettingsmeier wrote:

> Anahata wrote:
> 
>> On Sat, Feb 07, 2004 at 12:45:03PM +0100, Joern Nettingsmeier wrote:
>>
>>
>>> 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.
>>>
>>> will this lead to problems in the audio signal?
>>
>>
>>
>> Twisted pair ethernet is a balanced signal so should radiate little. If
>> your audio system is balanced too that will help.
>>
>> With three shields between the audio and the ethernet twisted pair I
>> doubt if you'll experience problems. You don't mention whether the audio
>> cable will be carrying microphone signals or only line level - that
>> makes a big difference!
> 
> 
> mostly microphone unfortunately.

like joern says, make sure they're balanced audio cables.


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