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The UKHA-ARCHIVE IS CEASING OPERATIONS 31 DEC 2024


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Re: Running RS232 over Cat5



I wire all my RS232 -> Cat 5 in 586B wiring order (as per my patch panels)to
keep things simple and easy to remember.

Pin 1 = w/orange
Pin 2 = orange
Pin 3 = w/green
etc.

IIRC Pin 9 is only normally used for "on ring" so doesn't matter if left out.

This has worked fine for me for all sorts of devices e.g. PalmV, LCD diaplay
and Temp board.

Of course YMMV!

Justin.

Quoting Paul Gale <groups@xxxxxxx>:

> I'm just about to run several RS232 signals over Cat5. Does it make a
> difference if I use a pair for the RX/TX or not i.e. should the RX/TX be
> twisted?
>

>
> Paul.

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