Tony Povoas <tony@cs.strath.ac.uk>  wrote:
 > On boot dmesg reports dca0 as being found. In  MAKEDEV this is referred to
 > as being the serial port interface from which the mknod call for /dev/tty0 is
 > issued.
 > 
 > However when attempting to communicate with /dev/tty0 using kermit and pppd I
 > get no response. I know the modem and serial line are OK as I've tested them
 > elsewhere. Am I using the correct tty name ( tty0 ) for the serial port?

It's /dev/tty0 for my dca0... 

What speeds are you trying to use? The dca only goes up to 38400...

Anyway, this is just to say "It works for me..."... I have a 433S.