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From: davec@tektronix.UUCP
Newsgroups: net.micro
Subject: Re: USR Password modem
Message-ID: <1207@tektroni.UUCP>
Date: Wed, 29-Jun-83 20:10:52 EDT
Article-I.D.: tektroni.1207
Posted: Wed Jun 29 20:10:52 1983
Date-Received: Fri, 1-Jul-83 20:29:41 EDT
Lines: 22

I haven't yet seen the actual "Password", but I do have a few comments
about it's bigger brother, the Auto-Dial 212A.

The Auto-Dial 212A is advertised as Hayes compatible.  That stretches
the point a little.  Every one of these models that I have seen so far
defaults to having echo off, while the the Hayes defaults to having echo
on.  If you are manually typing at it, and want to see what you are doing;
or if you are talking to it via a program that wants some assurance that
the modem is actually seeing the characters, you have to turn echo on
first.

Also, the meaning of the escape sequence (the "+++") is completely
different.  In the Hayes, that just switches you back to command mode
(leaving the data connection open) so that you can change attributes
(like full duplex/half duplex) or hang up the phone.  For USR, the
escape sequence just hangs up the phone.  The Hayes command to hang up
the phone line is not implemented.

I also much prefer the Hayes manuals to the ones from USR.

Dave Clemans
Tektronix