debian-powerpc: how do I use the keyspan usb-serial device ???

[Brendan Simon <Brendan.Simon@bigpond.com>]

I've got a Keyspan USB to Serial converter (2 x mini 8 DIN) and want to
use it to connect to an RS232 port on another machine.  I've downloaded
the source for kernel 2.4.2 and compiled in the Keyspan driver as a
module but I don't actually know how to use it with minicom.  Do I use a
ttyS* or something similar ??

BTW: Now that I am using devfs, I don't have a /dev/modem. nor do I have
any /dev/ttyS* devices  Do I still need a /dev/modem ???  If so, what do
I do to get it back ?

Thanks,
Brendan Simon.