[hylafax-devel] Re: Modem Reset Commands

[Dmitry Bely <dbely@mail.ru>]

Robert Colquhoun <rjc@trump.net.au> writes:

> > > Dmitry's Proposal(i think):
> > > Config parameter         default
> > > ===================================
> > > <Drop DTR>
> > > <pause>
> > > <Raise DTR>
> > > <set baud rate>
> > > ModemSoftResetCmd        ATZ\n
> > > ModemResetCmds           ""
> > > ModemEchoOffCmd     ATE0
> > > ModemVerboseResultsCmd ATV1
> > > ...
> >
> >Yes (sorry for some delay). What's wrong with it?
> 
> The problem is that the modems are all configured to perform an implicit 
> ATZ on dropping/raising DTR.    In that case the second explicit ATZ 
> command just resets the modem to exactly the same stored values.

Explicit ATZ is not redundant: it usually resets the modem's data pump. And
it makes clear for the admin that's going on. I don't think we should save
some milliseconds here.

Hope to hear from you soon,
Dmitry



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