Mark Phillips wrote: > > On Wed, 16 Apr 1997, Rick wrote: > > > You might want to play with DTR/DCD settings. I haven't had a problem > > like this before but it sounds like the modem is dropping DTR which, if I > > remember correctly, instructs the software that the data terminal is > > ready. I believe there is a modem command that sets DTR on permanently. > > I had a LOT of trouble with this - the command isn't standard, each Mfg. uses whatever. You need to hold DTR high between the time the chat script (whatever one you use) terminates and pppd takes over. As I recall, my magic string is S1 (but don't quote me) YMWPV.
> > Or maybe the Data Carrier Detect is dropping. But I'm pretty sure that > > would cause the modem to really hang up. It's been a while since I've > > messed with modem settings. Look in your modem manual for a setting that > > is used for informing the software of the modems status. > > > > AT&C1&D2 is the init string that used to be the fix all for me. It sets > > the DTR/DCD to the correct setting for data, such as ppp or bbsing. A few > > years ago manufacturers started to set factory defaults toward faxing > > which conflicts with data. AT&C1&D2 fixes this. Try it and see. Give > > you a starting point to add compression and error correction etc... > > Unfortunately my modem didn't come with a manual telling me these details. > (I think I could send off for one which would cost me $30 - a little > expensive I think.) Do you know what these things mean/do? Ie what are > DTR/DCD settings? What does AT&C1&D2 mean and do? Is there any document > on the net explaining basic modem commands and basically how a modem > works. I really don't have a clear picture at the moment. > > Thanks. > > ----------------------------------------------------------------------------- > Mark Phillips [EMAIL PROTECTED] > "They told me I was gullible ... and I believed them!" > ----------------------------------------------------------------------------- > > -- > TO UNSUBSCRIBE FROM THIS MAILING LIST: e-mail the word "unsubscribe" to > [EMAIL PROTECTED] . > Trouble? e-mail to [EMAIL PROTECTED] . -- TO UNSUBSCRIBE FROM THIS MAILING LIST: e-mail the word "unsubscribe" to [EMAIL PROTECTED] . Trouble? e-mail to [EMAIL PROTECTED] .
