Is it a good idea to run Cat 6 ethernet cables next to 120v cables behind my server? Will there be EMI problems? Would shielding be good?
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M$5 Answers
Hope this helps
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M$Furthermore, most devices filter out 50 Hz from any signals they receive.
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M$You can leave an optional "tip" with Mahalo's virtual currency, Mahalo Dollars. If you are asking a difficult question that might require some research, or if you'd like a wide variety of feedback, a higher tip often leads to more answers to your question.
M$
It is not necessary to shield it. Adding a shield would prevent this cancellation from occurring.
Mains power in the USA is at 60Hz and this is a long way from the frequencies on the CAT cable (up to 250MHz) carrying your bits down the tubes to the internets. So it is very unlikely that you will have ANY interference. The most likely problem would be an induced surge from a lightning strike transfering from the mains cable to the CAT cable - but all bets are off if thats inside your building anyway.
Incidentally CAT6 cable should never be bent in sharp radius truns. It is also stiffer then Cat5E (more twists). Check out the CAT6 guide referenced.
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M$it is against standard to run cables parallel with power. It will cause interference.
That being said, the amount and severity of interference is dependent upon the proximity and distance which the cat5e/cat6 cables are running in parallel to the power.
Additionally, there are not any standards for patch cables (other than that they be below a length of 10m). If your patch cable is not very long, then running in parallel to power should be fine. If you have a long patch cable and a long distance in parallel, then I would suggest trying to increase the distance between the patch cable and the power cable.
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M$
In regards to 'puter's remarks, there is also a minimum length for network cables because when they are too short you get internal reflection (that's something a network technician should know incidentally).
And yes there are various standards, not sure where 'puter' get there are none, I'm guessing when he says college he meant highschool? And when he says 'technician' he meant 'unpaid assistant'?
So, whatnot, are you always a jerk, or just today?
You forgot to mention the date the standards were created, does that mean you don't have any idea what you are talking about, or that you just chose not to mention it because you didn't feel it was pertinent?
It seems to me like you have less interest in helping the person asking the question and more of an interest in trying to make yourself feel better by insulting others. Judging by your maturity level I'd guess you haven't even graduated high school yet.
