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echo: locsysop
to: David Drummond
from: Rod Speed
date: 1996-02-19 09:44:28
subject: USR Courier

PE> The modem was never locked at 57600, it merely happened
PE> to be the speed the com port was set at at the last &W.

DD> That is how you lock the speed into the Courier . . . .

PE> No it isn't.  You lock the speed by setting your comms software to a
PE> particular speed, whilst making sure that Courier has &B1 in it (not
PE> necessarily in NVRAM either).  Try it on an outgoing call and you'll
PE> find it works a treat.  You can do it on an ingoing call too, just
PE> make sure you have done at ATS0=0 or some other harmless command.

DD> For Christ's sake! check page C-6 in the manual.  Read
DD> the description of ATI5 - it displays the NVRAM settings.
DD> One of these is the speed that the modem will use to communicate
DD> incomming calls to the computer.  It is set with AT&W.

Fraid not Dave. If you change the port speed after you have set it like
that, and just send AT to the modem, and you get a RING, IT WILL BE SENT
AT THE CURRENT PORT SPEED, NOT THE ONE SHOWN IN THE ATI5 RESPONSE.

Soorree.

PE> Oh, and then explain why the way the USR is doing it makes
PE> any sense whatsoever, and how it could possibly be better
PE> than the way Rockwell do it.  ie, the USR is fucked by design.

DD> Different = fucked?

Different to what all the other modem manufacturers
do, for no good reason at all, and not documented
that ONLY the ATZ command is like that, yes, fucked.
@EOT:

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