User Guide

Model MTA128ST-USB

P/N 88311703 Revision D
Copyright ©1999, by Multi-Tech Systems, Inc.
All rights reserved. This publication may not be reproduced, in whole or in part, without prior expressed written
permission from Multi-Tech Systems, Inc.
Multi-Tech Systems, Inc. makes no representations or warranties with respect to the contents hereof and
specifically disclaims any implied warranties of merchantability or fitness for any particular purpose. Furthermore,
Multi-Tech Systems, Inc. reserves the right to revise this publication and to make changes in the content hereof
without obligation of Multi-Tech Systems, Inc. to notify any person or organization of such revisions or changes.

Record of Revisions

Revision Date Description

A6/21/99 Manual released. All pages at revision A.
B9/3/99 Deleted the RJ-11 phone cord and added ISDN Configuration Utility diskette
to the shipping list
C10/5/99 Added !DNn, *!DNn, !ENn, *!ENn At commands and modified S-Register S52
D5/23/00 Added driver installation procedure for Windows 2000, added procedure for
changing descriptor, deleted references to Multi-Tech’s BBS, updated area
code information, added clarification to V.110 support information and made
minor technical updates.

Trademarks

MultiModemISDN, Multi-Tech, and the Multi-Tech logo are trademarks of Multi-Tech Systems, Inc.
AT&T and 5ESS are registered trademarks of American Telephone and Telegraph.
Microsoft, Windows, Windows 2000, Windows 98, and Windows 95 are registered trademarks of Microsoft
Corporation.
NETCOM is a registered trademark of NETCOM On-Line Communication Services, Inc.
Netscape and Navigator are trademarks of Netscape Communications Corp.
DMS-100 is a trademark of Northern Telecom.
All other trademarks are owned by their respective companies.
Multi-Tech Systems, Inc.
2205 Woodale Drive
Mounds View, MN 55112 U.S.A
(763) 785-3500 or (800) 328-9717
Fax (763) 785-9874
Technical Support (800) 972-2439
Internet Address http://www.multitech.com