Multi-Tech Systems MT2834ZPX - page 2

Owner’s Manual

82041404 Revision E — 11/25/96

#MT2834ZPX

This publication may not be reproduced, in whole or in part, without prior

expressed written permission from Multi-Tech Systems, Inc.

All rights reserved.

Copyright © 1996, by 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 from time to time 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 Description

EManual revised. This manual documents enhancements

(11/25/96) implemented in firmware version 0.22. Theses enhancements

include extended V.34 rates (33.6K/31.2K); and overall format and

editorial changes throughout this manual.

Trademarks of Multi-Tech Systems, Inc. are as follows: MultiExpress,

MultiExpressFax, MultiModem, MultiModemII,

MultiModemµ, Multi-Tech and the Multi-Tech logo.

MNP, Microcom Network Protocol is a trademark of Microcom Inc.

Macintosh is a trademark of Apple Computer Inc.

PC-DOS: International Business Machines Corporation

Pentium: Intel Corporation

AT&T is a trademark of American Telephone and Telegraph Co.

Windows® and Windows® 95 are registered trademarks of Microsoft

Multi-Tech Systems, Inc.

2205 Woodale Drive

Mounds View, Minnesota 55112 U.S.A.

(612) 785-3500 or (800) 328-9717

U. S. FAX 612-785-9874

Fax-Back Service 612-717-5888

Technical Support (800) 972-2439

BBS (612) 785-3702 or (800) 392-2432

Internet Address: http://www.multitech.com

Technical Writer: mark@multitech.com

Contents

Main Page Contents Chapter 1 - Introduction and Description Chapter 2 - Installation and Configuration Chapter 3 - Software Configuration Chapter 4 - AT Commands, S-Registers and Result Codes Page Chapter 1 - Introduction and Description Modem Features PSTNs Enhanced Fax Features Product Description Page Page Chapter 2 - Installation and Configuration Installation Safety Warnings CUL UL Configuration/Installation Procedure Page LINE JACK PHONE JACK ATL7 ATL5, ATL6 Is Your MT2834ZPX Ready for Use? Operating Your MT2834ZPX Simple Operations Chapter 3 - Software Configuration initialization string AT sessions Configuring Software for Your Modem PC Initialization Strings BUSY, NO DIAL TONE Changing Default Parameters RING, NO CARRIER, BUSY, not Configuring Software for Your Computer Configuring Software for the Remote System Terminal Emulation terminal emulation File Transfer Protocols MultiExpress for Windows MEW When to Disable Data Compression Disabling Error Correction The 16550 UART and Windows 3.1 Page Chapter 4 - AT Commands, S-Registers and Result Codes Dialing/On-Line/Answering answering originating Modem AT Commands Page Page Page Page Page Page Page Page Page Page Page Page Page Page Remote Configuration Remote Configuration Procedures 1. - DATA Mode 2. - COMMAND Mode Password> Password Commands S-Registers Page Page Page Page Page Result Codes Result Codes "Extended" &Q 10 Page AT Commands and S-Register Summary Chapter 5 - Troubleshooting Troubleshooting The Modem Does Not Respond to Commands My Computer Device Manager Resources Properties Ports The Modem Dials But Cannot Make a Connection Page The Modem Disconnects While Online Setup Modem The Modem Cannot Connect When Answering File Transfer Is Slower Than It Should Be Losing Data Getting Garbage Characters on the Monitor Fax and Communications Software Wont Run at the Same Time Chapter 6 - Testing Your Modem Local Analog Loopback Test/V.54 Loop 3 ATU ATU1 +++AT<CR> "U" Digital Loopback Test/V.54 Loop 2 (Local/Manual) AT OK ATU3 +++AT<CR> Digital Loopback Test/V.54 Loop 2 (Remote/ Automatic) &T4 +++AT<CR> "U" ATU2 Chapter 7 - Service, Warranty and Tech Support BBS MTS Limited Warranty On-line Warranty Registration Tech Support Recording Modem Information Modem Model No.: __________________________________ Service About the Multi-Tech BBS To log on to the Multi-Tech BBS To Download a file L About CompuServe/Internet GOMODEMVEN writers@multitech.com international@multitech.com mtssales@multitech.com Appendix A - Technical Specifications AT command TCM ter Page Page Appendix B - Tone Dial Frequencies 1 2 3 A 4 5 6 B 7 8 9 C 0 # D * Appendix C - FCC and Canadian Regulations FCC Regulations for Telephone Line Interconnection Page Page Canadian Limitations Notice Index Symbols A B C D E F G I L M N O P R S T