I have been searching for information about PPP-over-serial support 
and don't seem to find anything. Primarily I am interested in 
plugging a USB card in to a Soekris 4521 so I can talk to 
USB-connected serial devices, e.g. standard modems, ISDN modems, etc.

Pointers and/or suggestions?

TIA

-- 
Brian Lloyd                         2243 Cattle Dr.
brian-net at lloyd dot com          Folsom, CA 95630
+1.916.367.2131 (voice)             +1.270.912.0788 (fax)