
Originally Posted by
joefish
negritosanto; as I was typing my post just a few minutes ago it occurred to me the one thing I did not try.
I was thinking since I had a null modem adapter (swaps pin 2 & 3) on output, I did not have to worry about
confusing Tx/Rx. But then a light came on. I swapped Tx/Rx on the input side of max232 presto.
The whole damn thing works. In other words Tx on router must go to TxIN on max232; Rx on router must go
to RxOUT on max232. Also, follow the instructions on jb projects page for testing serial port using echo;
that worked as well.