Rich Molinaro wrote:
> 
> Jul 21 17:52:11 rcm1 pppd[636]: pppd 2.3.7 started by root, uid 0
> Jul 21 17:52:11 rcm1 pppd[636]: Using interface ppp0
> Jul 21 17:52:11 rcm1 pppd[636]: Connect: ppp0 <--> /dev/ttyS0
> Jul 21 17:52:11 rcm1 pppd[636]: sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic
> 0x74347bee> <pcomp> <accomp>]
> Jul 21 17:52:35 rcm1 last message repeated 8 times
> Jul 21 17:52:37 rcm1 pppd[636]: Hangup (SIGHUP)

I believe to have fixed that (at least others reported success
afterwards). Try the following:

a) switch the Line Termination setting from CR/LF to CR

b) Did you ever change the speed of the serial port on the "Device" tab
? If not, change. The higher the value the better will be the data
troughput.

Harri.