On Thu, 28 Feb 2002, michael brown wrote:

> > Yep, an external one. Toughest part is figuring out how to work with all
> > the different way the modem can choose not to work, and detect and reset
> > problems.  Not TOO tough, but can burn a lot of code space.
>
> Naw, it's easy!  You need to set the S register in the modem so that it does
> a reset when DTR is dropped.

Easy if the brand, model and command specifics of the modem are known
ahead of time, difficult if it's not.

Dale

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