kppp and modem with usb<->serial adapter

[James Richard Tyrer]

Dani Belz wrote:
> Hi!
> 
> I have an external serial modem which I plugged with a usb<-> serial adapter 
> to my laptop. This works fine with pilot-link and kppp. It also works fine 
> with 'pon', a dial up tool from debian.
> 
> BUT
> 
> It does not work with kppp! :( kppp recognizes my modem (with "Query 
> modem...", it dials but finally, it can't start pppd. The error is:
> 
> Jul 10 12:56:36 beaves pppd[11767]: pppd 2.4.2 started by dani, uid 1000
> Jul 10 12:56:36 beaves pppd[11767]: using channel 8
> Jul 10 12:56:36 beaves pppd[11767]: Using interface ppp0
> Jul 10 12:56:36 beaves pppd[11767]: Connect: ppp0 <--> /dev/ttyUSB0
> Jul 10 12:56:36 beaves pppd[11767]: sent [LCP ConfReq id=0x1 <asyncmap 
> 0xa0000> <magic 0xc64d1d41> <pcomp> <accomp>]
> Jul 10 12:57:06 beaves pppd[11767]: Terminating on signal 15.
> Jul 10 12:57:06 beaves pppd[11767]: sent [LCP TermReq id=0x2 "User request"]
> Jul 10 12:57:09 beaves pppd[11767]: sent [LCP TermReq id=0x3 "User request"]
> Jul 10 12:57:12 beaves pppd[11767]: Connection terminated.
> Jul 10 12:57:12 beaves pppd[11767]: Exit.
> 
> Anyone can give me any hint? It wouldn't be such a strange problem if I 
> couldn't dial up at all. But as I said, it works with 'pon'...

I must admit that I don't have any of those USB things and consider myself 
lucky. :-)

Do you hear the 'Ping" from the modem's speaker?

What happens in you click the: "Query Modem" button on the: "Modem" tab in the 
KPPP configure dialog.  Does this work OK?

But, I suspect that both of these questions will have answerers that it seems 
OK.  So, I guess that this is a USB issue.

I suppose that you have one of those computers that doesn't have a real serial 
port (RS-232). :-)

I suspect that there may be some problem because the USB connection probably 
doesn't have DTR.  So, you might try changing the: "Flow control" setting.  Try 
"Software".

--
JRT
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