Re: Homer has the ppp blues :-(
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.
>
> 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.
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Mark Phillips mark@maths.flinders.edu.au
"They told me I was gullible ... and I believed them!"
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