I'd like to know if there's a FAQ/docu available that can help me configure
my /dev/ttyS1 for the use with chat and pppd.
I am currently using an "upgraded" RedHat4.2 with linux-2.2.2 kernel.
Surprisingly /dev/cua1 is no longer supported (results in some "Network down"
message, when you try it anyway).
One symptom is that, e.g. 'stty ispeed 115200 < /dev/ttyS1' or
'chat "" ATZ OK ATDT$NUMBER ... < /dev/ttyS1 > /dev/ttyS1' won't return.