On Jul 1, 2007, at 9:30 AM, Hector Martin wrote:

> Along similar lines, I need to run an RS232 link from a PC to the PIC.
> I'm using a MAX232 transceiver, as usual. Data rate isn't very high;
> 9600baud should suffice. What would be the maximum length of the wiring
> under these conditions? Shielded vs. unshielded cabling, etc?
>
Much longer than the spec says.  Stanford used to run rs232 over the
standard telco wiring (cat3?) (including the patch panels and standard
in-wall arrangements) for quite substantial distances...  (100+ feet,
probably 100+ meters.)

BillW


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