Archive of the former Yahoo!Groups mailing list: Homebrew PCBs

>
> cross connect TX and RX data lines and pin 7 signal ground.
>
> On both cable ends jump pin 4 to 5 and 6 to 8 to 20.
>
> Pin numbers are for 25 pin connctors Google a conversion chart if you
> are using a 9 pin.
>
> Hugh
>

Sounds like one of about a dozen variations I tried, I know I had 3
wire no loopback, and 3 wire looped, that seemed most likely, but it
just sits and acts deaf.

Maybe when I have a slow week I'll play with it again, I think its got
much more room for improvement than the HP.
Lez