>According to Technolord:
>You could probably be more sophisticated and just wire local CD to the
>remote DTR at both ends, that way when you plug the cable in the CD is
>asserted and the open would succeed... as long as your ttys file is
>set correctly (i.e. you need to have the tty not set to local).
sorry, but I can't understand why touching the ttys file. I'm trying to
make computers interact (transfer files, so on), not act as terminal.
Or, is there something I'm missing?

>Have a look at pppd, getting a point to point link over a null modem
>going is fairly straightforward
I will!