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Re: Potential heating problem

Do these miniature traces affect our 20 ohm wiring budget?

What's the typical DC resistance of a patch panel?

Dave Dwelley

Jack Andresen wrote:

>But let me go back to original issue. I have looked at many patch panel
>PC boards and for various reasons, the traces run from 10 to 18 mils.
>Possible reasons:
>1) Making pairs of traces 100 ohm. 2) Trying to get between the RJ45
>pins. 3) Running a pair between the 110 punch down pins. 4) In general,
>there is very little space for both compensation and wiring while
>leaving margins between pairs of traces. 5) People are afraid of too
>fine traces
>But it is important to recognize here is no general standard for patch
>panel traces (as pointed out in one of the responses).