Multitech MT9234MU User Manual

MultiMobile™ USB V.92 Portable

USB Modem

MT9234MU User Guide

MultiMobile USB User Guide

Revision

Date

Description

D

10/01/09

Update EMC and add Support Portal link.

E

12/14/09

Added Brazil cable requirement to Appendix A, Windows 7 install procedure.

F

07/07/11

Removed references to product CD.

G

09/18/12

Updated RoHS statement.

H/I

3/13/14
4/12/17

Added Russian statement.
Updated Russian statement.

51BCountry

By Email

By Phone

Europe, Middle East, Africa:

[e-mail]

+(44) 118 959 7774

U.S., Canada, all others:

[e-mail]

[phone] or [phone]

V.92 Portable USB Modem
MT9234MU
S000409 Rev. I
Copyright

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 © 2017 Multi-Tech Systems, Inc.

Multi-Tech Systems, Inc. makes no representations or warranty with respect to the contents hereof and specifically disclaims any implied
warranty 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.

Patents

This device is covered by one or more of the following patents: 6,031,867; 6,012,113; 6,009,082; 5,905,794; 5,864,560; 5,815,567; 5,815,503;
5,812,534; 5,809,068; 5,790,532; 5,764,628; 5,764,627; 5,754,589; 5,724,356; 5,673,268; 5,673,257; 5,644,594; 5,628,030; 5,619,508; 5,617,423;
5,600,649; 5,592,586; 5,577,041; 5,574,725; 5,559,793; 5,546,448; 5,546,395; 5,535,204; 5,500,859; 5,471,470; 5,463,616; 5,453,986; 5,452,289;
5,450,425; D353,598; 5,355,365; 5,309,562; 5,301,274. Other patents pending.

Trademarks

MultiTech and the MultiTech logo are registered trademarks of Multi-Tech Systems, Inc. MultiMobile is a trademark of Multi-Tech. All other brand
and product names mentioned in this publication are trademarks or registered trademarks of their respective companies.

World Headquarters

Multi-Tech Systems, Inc.
2205 Woodale Drive
Mounds View, Minnesota 55112
Phone: [phone] or 800-328-9717
Fax: [phone]
Internet Address: HUhttp://www.multitech.com

Contacting MultiTech Support

To better serve our customers, manage support requests and shorten resolution times, we have created the online web portal that lets you
submit questions regarding products directly to our technical support team. Get answers to your most complex questions, ranging from
implementation, troubleshooting, product configuration, firmware upgrades and much more.

To create an account and submit a Support Case on the Portal, visit support.multitech.com

Online Web Portal https://support.multitech.com/

The Knowledge Base provides immediate answers to your questions and gives you access to support resolutions for all MultiTech products. Visit
our support area on the website for other support services.

Knowledge Base and Support Services www.multitech.com/en_US/SUPPORT

Technical Support

Business Hours: M-F, 9am to 5pm CST

Warranty

To read the warranty statement for your product, please visit: HUhttp://www.multitech.com/support/warranty-registrationUH

2 MultiMobile USB User Guide MT9234MU User Guide

Contents

0BChapter 1 – Product Description .....................................................................................................................5

11BFeatures ..................................................................................................................................................................... 5

12BTelecom Safety Warnings .......................................................................................................................................... 6

13BShipping Package Contents ....................................................................................................................................... 6

15BTechnical Specifications ............................................................................................................................................. 7

16B ................................................................................................................................................................................... 7

AT Commands ............................................................................................................................................................ 7

1BChapter 2 – Installing the Modem ...................................................................................................................8

29B

Connecting the Modem to Your System ................................................................................................................... 8

18BInstalling the Modem Driver ...................................................................................................................................... 9

Installing Windows Drivers ........................................................................................................................................ 9

74BInstalling the Modem .............................................................................................................................................. 10

Installing the MT9234MU in Windows 7 ................................................................................................................. 14

Configuring the Modem for Your Country .............................................................................................................. 17

2BChapter 3 – Operating the Modem ............................................................................................................... 18

20BFront Panel .............................................................................................................................................................. 18

21BConnecting to the Internet ...................................................................................................................................... 18

Internet Connection ................................................................................................................................................ 19

Chapter 4 – Remotely Configuring Modems .................................................................................................. 20

24BChanging the Setup Password ................................................................................................................................. 20

Changing the Remote Escape Character ................................................................................................................. 21

4BAppendix A – Regulatory Compliance ........................................................................................................... 22

35B

FCC Part 15 Class B Statements ............................................................................................................................... 22

Industry Canada ....................................................................................................................................................... 22

36B

FCC Part 68 Telecom ................................................................................................................................................ 22

37B

Canadian Limitations Notice .................................................................................................................................... 23

38B

EMC, Safety, and R&TTE Directive Compliance ....................................................................................................... 24

39B

International Modem Restrictions .......................................................................................................................... 24

40B

New Zealand Telecom Warning Notice ................................................................................................................... 24

41

Russian Statement ................................................................................................................................................... 25

South African Notice ................................................................................................................................................ 25

Thailand Approval .................................................................................................................................................... 26

Brazil Regulatory Special Cable Requirement ......................................................................................................... 26

5BAppendix B – Installing on Linux ................................................................................................................... 27

26BInstalling the Modem on Computers Using the Linux 2.4 Kernel ............................................................................ 27

MultiMobile USB User Guide MT9234MU User Guide 3

Installing the Modem on Computers Using the Linux 2.6 Kernel ............................................................................ 32

Installing the Modem on Computers Using the Linux 2.6.20 Kernel and Above .................................................... 36

6BAppendix C – Environmental Information ..................................................................................................... 38

Waste Electrical and Electronic Equipment............................................................................................................. 38

REACH Statement .................................................................................................................................................... 38

Restriction of the Use of Hazardous Substances (RoHS) ......................................................................................... 39

Information on HS/TS Substances According to Chinese Standards ....................................................................... 40

Information on HS/TS Substances According to Chinese Standards (in Chinese) ................................................... 41

Appendix D – ASCII Conversion ..................................................................................................................... 42

ASCII Conversion Chart ............................................................................................................................................ 42

9BIndex ........................................................................................................................................................... 43

4 MultiMobile USB User Guide MT9234MU User Guide

0BChapter 1 – Product Description

Command
Buffer

40 characters

Diagnostics

Power-on self test, local analog & local digital loop, remote digital loop.

LED
Indicators

LEDs for Data, Carrier Detect, Off Hook, Terminal Ready

Intelligent
Features

Fully AT command compatible; autodial, redial, repeat dial; pulse or tone
dial; dial pauses; auto answer; caller ID; EIA extended automode; adaptive
line probing; automatic symbol and carrier frequency during start-up,
retrain, and rate renegotiation; call status display, auto-parity and data rate
selections; keyboard-controlled modem options; non-volatile memory; on­screen displays for modem option parameters; command lines of up to 40
characters each; help menus; remote configuration.

The MultiMobile USB V.92 Portable USB modem MT9234MU provides V.92/56K data rates, fax and file
transfer capabilities and a hot-swappable USB interface. This modem, weighing only 2 ounces, is ideal for
mobile users who want email and Internet access on the road. The MT9234MU modem can also serve as
the mobile user’s home office desktop modem.

11BFeatures

5 MultiMobile USB User Guide MT9234MU User Guide

12BTelecom Safety Warnings

 Never install telephone wiring during a lightning storm.

 Never install a telephone jack in wet locations unless the jack is specifically designed for wet

locations.

 Use this product with UL and cUL listed computers.

 Never touch uninsulated telephone wires or terminals unless the telephone line has been

disconnected at the network interface.

 Use caution when installing or modifying telephone lines.

 Avoid using a telephone (other than a cordless type) during an electrical storm. There may be a

remote risk of electrical shock from lightning.

 Do not use a telephone in the vicinity of a gas leak.

 To reduce the risk of fire, use only 26 AWG or larger telecommunication line cord.

 This product must be disconnected from the telephone network interface when servicing.

13BShipping Package Contents

CHAPTER 1 – PRODUCT DESCRIPTION

 MT9234MU modem

 One RJ-11 cable

Inspect the contents for signs of any shipping damage. If damage is observed, do not power up the unit.
Contact Multi-Tech’s Technical Support for advice.

To use the modem, you must have a computer with an unused USB post and a nearby telephone line jack.

6 MultiMobile USB User Guide MT9234MU User Guide

CHAPTER 1 – PRODUCT DESCRIPTION

Trade Name

MultiMobile™ USB

Model Number

MT9234MU

Data Rates

56K download speeds from digital V.92/V.90 servers;

33.6K upload and download speeds from non-V.92/V.90 servers and other client
modems

Fax Rates

33.6K and below

Standards:

Data

V.92, V.90 enhanced, V.34 and below

Error Correction

V.42

Data Compression

V.44, V.42bis, MNP Class 5

Fax

V.34, Class 2.1 & 1.0, V.17, Group 3; Class 1 & 2, Error Correction Mode

Cables

1 USB series A
1 RJ-11

Operation

USB Port: 12M bps
Line Type: Dial-up

Operating System
Support

Windows Vista, XP, 2003, 2000
Linux 2.4 kernel versions 2.4.28 and above
Linux 2.6 kernel versions 2.6.8 through 2.6.10
Linux 2.6 kernel versions 2.6.11 and above (with a kernel patch for 2.6.20.4, which
may be applicable to earlier 2.6 kernel versions, as well)

Physical Description

1.3” w x 1.0” h x 3.1” d; 2 oz

3.0 cm w x 2.5 cm h x 8.0 cm d; 62 g

Operating
Environment

Operating Temperature: +32° to +120° F (0° to 50° C)
Humidity Range: 25–85% non-condensing

Approvals

CE Mark
EMC: FCC Part 15 Class B
EN 55024

Safety: UL/cUL 60950-1
EN 60950-1
Telecom: 47CFR Part 68
CS03
TBR21

Limited Warranty

2 years

15BTechnical Specifications

16B

AT Commands

AT Commands for this product are published in a separate document. You can download this document from
the MultiTech website.

MultiMobile USB User Guide MT9234MU User Guide 7

1BChapter 2 – Installing the Modem

This chapter explains how to install your modem. To use your modem, you must connect the
MT9234MU’s USB cable connector to your computer (“USB”) and to a telephone line (“LINE”).

29B

Connecting the Modem to Your System

Connect the MT9234MU to your computer’s USB port and connect the telephone line to your MT9234MU
and a telephone wall jack.

Connecting the USB Cable

Plug the USB cable connector on the modem into a USB port connector on your computer.

Connecting the Phone Line

Plug one end of the phone cable into the modem’s LINE jack, and the other end into a phone line wall jack.

Note: The Federal Communications Commission (FCC), and Industry Canada impose certain restrictions on

equipment connected to public telephone systems. See Appendix A for more information.

MultiMobile USB User Guide MT9234MU User Guide 8

CHAPTER 2 – INSTALLING THE MODEM

18BInstalling the Modem Driver

30B

Before You Begin

Before you install the driver:

 Download the driver from the MultiTech website and store the driver in a known location on your

computer.

 Compatibility: This MultiMobile MT9234MU MultiModem is compatible with Windows Operating

Systems Vista, XP, 2003, Server 2008, and Linux.

 Windows Drivers: The MultiMobile MT9234MU driver must be installed in your computer’s

program directory. You can download the desired driver from the MultiTech website.

 A complete set of drivers for each operating system is organized into Vista and XP with either 32-bit

or 64-bit processor. Most users select either the 32-bit Vista or 32-bit XP drivers. Windows 2003
also uses the XP drivers.

 Server users can select either 32-bit or 64-bit depending on their application. For server users to

determine whether they have a 32-bit or 64-bit operating system, go to Start I All Programs I
Accessories I System Tools I Computer and click System Properties. Under System, System Type:
64-bit Operating System appears.

 Linux Drivers: You can also download Linux Operating System drivers from the MultiTech website.

Refer to the Readme file for the correct driver file and installation guide for your distribution and
version of Linux.

Installing Windows Drivers

Wizards guide you through the software Installation in this order:

 Installing the Serial Port.

 Installing the modem driver.

Installing the MT9234MU in Windows Vista

1. Power up your computer.

2. If you have not already done so, connect the modem’s USB cable to a USB port on the computer

and connect the phone line between the modem and a telephone wall jack.

3. Windows detects that the new modem is present.

Installing the TUSB3410 Serial Port Driver

To install the TUSB3410 serial port:

1. The Found New Hardware wizard opens. Click Locate and install driver software

(recommended). Windows guides you through the process of installing driver software for your
device.

MultiMobile USB User Guide MT9234MU User Guide 9

CHAPTER 2 – INSTALLING THE MODEM

2. In the next wizard pane, click I don’t have the disc. Show me other options. Windows may

prompt you to search online, but this is not necessary.

3. In the next wizard pane, select Browse my computer for driver software (advanced).

4. At the Browse for driver software on your computer pane, click Browse.

5. Navigate to the location where downloaded the drivers and click Next. The dialog box, Windows

can’t verify the publisher of this driver software, appears.

6. Select Install this driver software anyway. When the software is successfully installed, a wizard

pane appears to tell you so.

7. Click Close.

74BInstalling the Modem

1. The Found New Hardware – MultiTech Systems MT9234MU wizard pane appears. Select I don’t

have the disc. Show me other options. Click Next.

2. In the next wizard pane, select Browse my computer for driver software (advanced).

3. To install the software, in the next wizard pane, click Install.

10 MultiMobile USB User Guide MT9234MU User Guide

CHAPTER 2 – INSTALLING THE MODEM

4. The wizard pane The software for this device has been successfully installed appears, to

indicate that Windows has finished installing the driver software.

5. Click Close.

MultiMobile USB User Guide MT9234MU User Guide 11

CHAPTER 2 – INSTALLING THE MODEM

Installing the MT9234MU in Windows Server 2008, XP, 2003

This section describes how to install the modem with a computer running Windows 2008, XP or 2003. This
section presents Windows XP illustrations. For all the operating systems noted, the installation procedure is the
same, but some illustrations may vary from those shown in this section.

Installing the Serial Port for Windows Server 2008, XP, 2003

1. Connect the USB cable between the MultiModem and the PC.

2. If prompted, Can Windows connect to Windows Update to search for software? Select No, not

this time. Then click Next.

3. Click Install from a list or specific location (Advanced), and then click Next.

4. Select only Search removable media (floppy, CD-ROM…) Include this location in the search.

5. Click Browse and browse to the location where you stored the drivers downloaded from the

MultiTech website.

6. Select the Windows_Drivers folder and then the WinXP32 folder. Or, if you are installing drivers

on an XP 64-bit Operating System, select the WinXP64 driver.

7. Click Next.

12 MultiMobile USB User Guide MT9234MU User Guide

CHAPTER 2 – INSTALLING THE MODEM

8. Select either MultiMobile MT9234MU xp32 or xp64 depending on your operating system.

9. Click Finish when prompted.

Installing the Modem for Windows Server 2008, XP, 2003

1. If the Welcome to the Found New Hardware Wizard pane asking – Can Windows connect to

Windows update to search for software? Select No, not this time. Then click Next.

2. Select Install from a list or specific location (Advanced). Then click Next.

3. Select Include this location in the search. Click Browse.

4. Browse to the location where you stored the drivers that you downloaded from the MultiTech

website. Select the WinXP32 driver, or if you are installing drivers on an XP 64-bit operating
system, select the WinXP64 folder.

5. Click Next. A Windows Logo Testing pane may appear. Click Continue Anyway.

MultiMobile USB User Guide MT9234MU User Guide 13