'Grif' w. keith griffith wrote: > > Another simple answer,,, and maby a bit more to the point, the 50 foot > limit on rs232 is from the fcc,,, nothing to do with data tranmission, just > rf noise. I've seen good cable rs232 links run well over a thousand feet > in the "old days". > > 'Grif' N7IVS The current standard (rs232d i believe) no longer specifies the maximum length. It just specifies the max. capacitance allowed. Rick Sherman KM6TI