Path: utzoo!attcan!uunet!fernwood!portal!cup.portal.com!schuster
From: schuster@cup.portal.com (Michael Alan Schuster)
Newsgroups: comp.dcom.modems
Subject: Re: Undocumented registers in USR Dualstandard
Message-ID: <35104@cup.portal.com>
Date: 21 Oct 90 11:05:47 GMT
References: <407@infodn.rmi.de>
Organization: The Portal System (TM)
Lines: 16

>Has anyone out there compiled a list of undocumented registers/features
>in the USR Dualstandard modems?
>
>For example, I found that setting register 27 to 1 not only enables V.21
>operation (as the manual states) but also disables V.32 operation which
>is not mentioned in the manual.
>


All of these are documented in the manual supplement that went out with
the V.42 upgrade; they should be packed into the new modems too.

Barring that; try ATS$; the help screen displays the above options and more
new ones.

For a thrill, try ATUSR.