Multitech MultiModem MT5634ZPX-V.92-ISA User manual

MultiModem®ZPX
MT5634ZPX-V.92-ISA
Internal ISAData / Fax Modem
User Guide

MultiModemZPX User Guide
MT5634ZPX-V.92-ISA
P/N S000372C Revision C
All rights reserved. This publication may not be reproduced, in whole or in part, without prior expressed
written permission from Multi-Tech Systems, Inc.
Copyright © 2007 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
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
A 04/01/05 Manual released.
B 06/29/06 Manual revised to remove information about TNV Circuit protection
C 01/26/07 Corrected .inf reference.
Trademarks
MultiModemZPX, Multi-Tech, and the Multi-Tech logo are trademarks of Multi-Tech Systems, Inc.
Adobe and Acrobat are trademarks of Adobe Systems Incorporated. MNP is a trademark of Microcom,
Inc. Microsoft, Windows, Windows 98, Windows Me, Windows NT, Windows 2000, and XP are either
registered trademarks or trademarks of Microsoft Corporation in the United States and/or other coun-
tries. All other brand and product names mentioned in this publication are trademarks or registered
trademarks of their respective companies.
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;
5,355,365; 5,309,562; 5,301,274. Other patents pending.
Multi-Tech Systems, Inc.
2205 Woodale Drive
Mounds View, MN 55112
U.S.A
Telephone [phone] or [phone]
Fax [phone]
Technical Support [phone]
Internet http://www.multitech.com

ContentsMultiModemZPX User Guide
iii
Contents
Chapter 1 - Introduction .......................................................................................................... 5
Product Description ........................................................................................................................... 5
General features ............................................................................................................................... 6
Manual Organization ......................................................................................................................... 7
Technical Specifications .................................................................................................................... 8
Chapter 2 - Installation .......................................................................................................... 10
What You Will Need ........................................................................................................................ 10
Safety Warnings .............................................................................................................................. 10
Step 1 - Determine System Resources ........................................................................................... 11
Step 2 - Configure Jumpers ............................................................................................................ 14
Step 3 - Install the Modem into Your Computer ............................................................................... 14
Step 4 - Run Add Hardware Wizard ................................................................................................15
Step 5 - Run Add Modem Wizard .................................................................................................... 16
Step 6 - Query Modem .................................................................................................................... 16
Step 7 - Connect Your Modem to the Telephone Line ..................................................................... 17
Step 8: Configure the Modem for Your Country .............................................................................. 18
AT Commands ................................................................................................................................ 18
Data Communications Software ...................................................................................................... 18
Chapter 3 - Using Your Modem ............................................................................................ 19
Operating Your MultiModemZPX..................................................................................................... 19
Testing Your Modem ....................................................................................................................... 19
Testing Data Functions ................................................................................................................... 19
Testing Fax Functions ..................................................................................................................... 19
Remote Configuration ..................................................................................................................... 20
Basic Procedure .............................................................................................................................. 20
Setup .............................................................................................................................................. 21
Chapter 4 - AT Commands .................................................................................................... 22
Fax Commands ............................................................................................................................... 22
Chapter 5 - Troubleshooting ................................................................................................. 23
Initial Checklist ................................................................................................................................ 23
Common Problems ......................................................................................................................... 23
Chapter 6 - Warranty, Service, and Tech Support .............................................................. 27
Online Warranty Registration .......................................................................................................... 28
Service ............................................................................................................................................ 29
Replacement Parts.......................................................................................................................... 30
Technical Support ........................................................................................................................... 30
Internet Sites ................................................................................................................................... 30
Appendix A - Regulatory Compliance .................................................................................. 31
FCC Part 68 Telecom ..................................................................................................................... 31
FCC Part 15 .................................................................................................................................... 32
Fax Branding Statement.................................................................................................................. 32

ContentsMultiModemZPX User Guide
iv
Canadian Limitations Notice ............................................................................................................ 32
Industry Canada .............................................................................................................................. 33
EMC, Safety, and R&TTE Directive Compliance ............................................................................. 33
International Modem Restrictions .................................................................................................... 33
New Zealand Telecom Warning Notice ........................................................................................... 33
Appendix B - Updating Your Modem’s Firmware ............................................................... 35
Introduction ..................................................................................................................................... 35
Upgrade Overview .......................................................................................................................... 35
Appendix C - ASCII Conversion Chart ................................................................................. 38
Appendix D – Waste Electrical and Electronic Equipment (WEEE) .................................. 39
Index ........................................................................................................................................ 50

1 Introduction
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MultiModemZPX User Guide
Chapter 1 - Introduction
Congratulations on your purchase of the MultiModem®ZPX. You have acquired one of the finest internal
data/fax modems available today from one of the world’s oldest modem manufacturers: Multi-Tech
Systems, Inc. This User Guide will help you to install, configure, test, and use your modem.
One Modem, Worldwide Use. The MultiModemZPX is designed for global applications. This means one
modem can ship around the world. The global modem is ideal for businesses with global operations that
want to standardize on one modem and are looking to simplify the ordering process. Go to
www.multitech.com/ to see a complete list of all the countries for which this modem has approvals.
Product Description
The MultiModemZPX provides high-speed data transfer and fax capabilities for small businesses,
telecommuters, and SOHO users. Its supports the new ITU-T V.92 protocol which provides quick
connections, downstream transmissions at speeds up to 56K bps*, and upstream transmissions at
speeds up to 48K bps when connected to V.92-compatible Internet service providers. Transmissions
between the MultiModemZPX and other client modems are limited to 33.6K bps, as are upstream
transmissions to non-V.92-compatible ISPs and downstream transmissions that are converted more than
once on the telephone network.
Fax Communications: The MultiModemZPX also supports “Super G3” ITU-T V.34 fax communications
at speeds up to 33.6K bps with Class 2.1 fax commands.
Features: Modem features include remote configuration. In standard mode, you can store up to four
command lines or telephone numbers of up to 40 characters each in the modems’ nonvolatile memory.
Other modem capabilities include AT&T calling card tone detection, pulse and tone dialing, adaptive
answer, V.42 error correction, and V.42bis and V.44 data compression.
NOTE:
*Though this modem is capable of 56K bps download performance, line impairments, public telephone
infrastructure, and other external technological factors currently prevent maximum 56K bps
connections.

1 Introduction
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MultiModemZPX User Guide
General features
•Compliance with major ITU-T, TIA, and EIA international standards to ensure compatibility with
other modems
•Distinguishes data and fax calls
•Compliance with the V.80 standard, allowing video conferencing over analog telephone lines with
any H.324 video phone system
Data
•Supports V.90/K56flexTM for data transmission speeds up to 56 Kbps while maintaining
compatibility with lower-speed modems
Note: The V.90/K56flex standard asymmetrically transfers data—client downloads at speeds up to 56
Kbps; client uploads at speeds up to 33.6 Kbps
•Supports the enhanced ITU-T V.34 standard with data transmission speeds to 33.6 Kbps while
also maintaining compatibility with lower-speed modems
•Supports V.90/K56flex speeds plus 33.6K, 31.2K, 28.8K, 26.4K, 24K, 21.6K, 19.2K, 16.8K, 14.4K,
12K, 9.6K, 7.2K, 4.8K, 2.4K, 1.2K, and 0–300 bps
•Automatic fallback to slower speeds in noisy line conditions and fall-forward to faster speeds as
conditions improve (line quality monitoring)
•ITU V.42 LAP-M and MNP Class 3 and 4 error correction
•ITU V.42bis (4-to-1) and MNP 5 (2-to-1) data compression
•H.324 compliant (videophone ready)
•Automatic disabling of compression when transferring already compressed files
•Autodial, redial, pulse (rotary), and touch-tone dial
•Dial tone and busy signal detection for reliable call-progress detection
•Distinctive ring support to route data or fax calls on a single phone line
•FlashROM upgradable (customer upgradable in a Windows environment)
•Compatibility with the standard AT command set used by most communication programs
•Stores up to two telephone numbers
Fax
•Supports V.17, ITU-T “Super” Group 3 fax communication standards, allowing it to communicate
with other fax modems as well as with fax machines
•Responds to Class 1 and Class 2 fax commands, enabling it to exchange editable and encrypted
faxes with other Windows computers
•Sends and receives faxes from your computer at 14,400 bps, 9600 bps, 7200 bps, 4800 bps, 2400
bps, or 300 bps

1 Introduction
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MultiModemZPX User Guide
Manual Organization
This User Guide will help you to install, configure, use, and troubleshoot your modem. The manual is
divided into seven chapters and four appendices:
Chapter 1: Introduction. This chapter Introduces the MT5634ZPX, briefly describing features and
technical specifications.
Chapter 2: Installation. Chapter 2 contains information about unpacking your MultiModemZPX adapter
and safety warnings. It also describes how to determine system resources, configure the board jumpers,
run add hardware wizard, and add and query your modem. Also, how to install the modem in your
computer and connect it to a telephone line. This chapter also describes the process for configuring your
modem’s initial setup for operation within your country.
Chapter 3: Using your Modem. In this chapter, instructions are provided for configuring your
communications software and Windows Dial-up Networking. The chapter also describes several tests
which can assist you in confirming that your modem is installed properly.
Chapter 4: AT Commands, S-Registers and Result Codes. Chapter 4 refers you to separate reference
guides:
• AT commands, S-Registers, and Result Codes
• Fax Commands Class 1
• Fax Commands Class 2
Chapter 5: Troubleshooting. The troubleshooting chapter describes common problems you may have
with your modem and how to solve them.
Chapter 6: Warranty, Service and Technical Support. This chapter provides information on the terms of
your warranty and describes how to get help with your modem from Multi-Tech Systems Technical
Support group.
Appendix
Appendix A: Regulatory Compliance
Appendix B: Updating Your Modem’s Firmware
Appendix C: ASCII Conversion Chart

1 Introduction
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MultiModemZPX User Guide
Technical Specifications
Trade Name MultiModemZPX
Model Number MT5634ZPX
Server-to-Client V.90 speeds when accessing a V.90 or V.92 server (actual
Data Rates speed depends on server capabilities and line conditions) *
Client-to-Server Up to 50Kbps when accessing a V.92 server (actual speed
depends
Data Rates on server capabilities and line conditions); otherwise, the same
as client-to-client data lines.
Client-to-Client 33600,31200, 28800, 26400, 24000, 21600, 19200, 16800,
14400, 12000,
Data Rates 9600, 7200, 4800, 2400, 1200, 0-300 bps
Fax Data Rates 14400, 12000, 9600, 7200, 4800, 2400, 1200, 0-300 bps
Data Format Serial, binary, asynchronous
Modem Compatibility ITU-T V.92, V.90, V.34 enhanced, V.34, V.34bis, V.32, V.22bis,
V.22; Bell 212A and 103; ITU-T V.21; V.42, V.42bis, V.44
Fax Compatibility ITU-T “Super” Group 3, Class 1.0, 2.0, 2.1, T.4, T30, V.21,
V.27ter, V.29, V.34, V.17; TIA/EIA 578 Class 1,2, TR29.2
Video Compatibility ITU-T V.80 for H.34 video conferencing
Error Correction ITU-T V.42 (LAP-M or MNP 4)
Data Compression ITU-T V.44 (4:1 throughput), V.42bis (4:1 throughput), MNP 5
(2:1 throughput)
Speed Detection Automatic speed detection and switching between available
speeds
Speed Conversion Serial port data rates adjustable to 300; 1200; 2400; 4800; 9600;
19,200; 38,400; 57,600; 115,200 bps
Mode of Operation Fax online modes, full duplex data over dial-up
Flow Control XON/XOFF (software), RTS/CTS (hardware)
Intelligent Features Full AT command compatible, redial, repeat dial, pulse or tone
dial, dial pauses, auto answer, adaptive answer; EIA extended
automode; adaptive line probing; automatic symbol and carrier
frequency during start-up, retrain and rate renegotiation, DTMF
detection, call status display, auto-parity and data rate selections,
keyboard-controlled modem options, non-volatile memory, quick-
connect startup
*Though these modems are capable of 56K bps download performance, line impairments, public
telephone infrastructure and other external technological factors currently prevent maximum 56K
bps connections.

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MultiModemZPX User Guide
Command Buffer 40 Characters
Transmission Level -11 dBm (North America and Pan Euro) - varies by country setting
Frequency Stability ±0.01%
Receiver Sensitivity -43 dBm under worst-case conditions
AGC Dynamic Range 43 dB
Connectors One RJ-11 phone jack
Cables One modular telephone cable (USA); country-specific cord for UK
and International models; one 9-pin to 25-pin serial cable for UK
and International models; external power transformer and cord
Diagnostics Local analog loop, local digital loop, remote digital loop
Environmental Temperature range 0°–50°C (32°–120°F);
humidity range 20–90% (non-condensing)
Storage Temperature -10° to +85°C (14°- 185° F)
Dimensions 10.8 cm wide x 14.8 cm long x 2.9 high (4.25” × 5.8” x 1.15”)
Weight 224 g (8 oz)
Operating Systems Tested for use with Windows 95, 98, NT, and 2000, and Linux
(2.2.x kernal)
Limited Warranty 10 years

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MultiModemZPX User Guide
Chapter 2 - Installation
What You Will Need
Before starting, please make sure you have everything you need:
We supply
• An MT5634ZPX-V92 data/fax modem
• An RJ-11 telephone cable
• A printed Quick Start Guide
• An MultiModemZPX system CD containing modem drivers, this User Guide, Phone Tools, and
Adobe Acrobat Reader
You supply
• A 100-MHz or faster Pentium personal computer with an unused ISA expansion slot. For video
conferencing, we recommend a 166-MHz or faster computer.
• Windows 98, NT, 2000, ME, XP or Linux (2.2.x kernal) operating system installed
• A CD-ROM drive
• Tools to open your computer
• A nearby telephone line jack
Safety Warnings
• Use this product only with UL- and CUL-listed computers (U.S.A.)
• To reduce the risk of fire, use only UL-listed 26 AWG (.41mm) or larger telephone wiring.
• Never install telephone wiring during a lightning storm.
• Never install a telephone jack in a wet location unless the jack is specifically designed for wet
locations.
• Never touch uninsulated telephone wires or terminals unless the telephone line has been dis-
connected at the network interface.
• Use caution when installing or modifying telephone lines.
• Avoid using a telephone during an electrical storm; there is a risk of electrical shock from light-
ning.
• Do not use a telephone in the vicinity of a gas leak.
• The telephone cord is to be disconnected before accessing the inside of the equipment.

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MultiModemZPX User Guide
Step 1 - Determine System Resources
Before you physically install your new MultiModemZPX, you need to determine what system resources
are in use on your system. The best way to check what resources are in use and which ones are
available, run WINMSD Utility.
1. To check the system resources, click Start I Run.
2. Enter WINMSD in the Open: window and click OK. The operating system then displays the
System Information dialog box.
3. Click on Hardware Resources in the left window of System Information to expand the selec-
tion.

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MultiModemZPX User Guide
4. Click on IRQs to display the used IRQs.
The MultiModemZPX only uses IRQs 3,4,and 5 so you need to check in the above screen to
see if any of these IRQs are available. The MultiModemZPX is defaulted to IRQ 5.
5. Record the available IRQ that you are going to use _____.

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MultiModemZPX User Guide
6. Now, click on I/O to display the available I/O addresses.
7. The MultiModemZPX uses the following I/O addresses:
COM1: 3F8-3FF
COM2: 2F8-2FF
COM3: 3E8-3EF
COM4: 2E8-2EF
and is defaulted to COM 4.
8. Record the available I/O address that you are going to use _______.

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MultiModemZPX User Guide
Step 2 - Configure Jumpers
The MT5634ZPX board contains seven Berg jumpers for setting the interrupt request (IRQ) number and
COM port assignment. The jumpers are located on the lower part of the PC board as shown below. The
IRQ number is set using jumpers 1, 2, and 3 and the COM port assignment is set using jumpers 4
through 7. The default IRQ number is IRQ5 and the default COM port assignment is COM4.
1 2 3 4 5 6 7
COM
COM1: 4 6
COM2: 5 6
COM3: 4 7
COM4: 5 7
IRQ3
IRQ4
IRQ5
PC Board Jumpers
1. Before handling the MT5634ZPX, discharge static in your body by touching a metal piece of
the computer chassis. Carefully remove the MultiModemZPX from its antistatic bag, handling
it only by the mounting bracket and edges. Do not touch the gold-plated connectors along the
bottom edge.
2. To change the IRQ from the default IRQ5, move the berg jumper from the default position to
your new position that supports your application.
3. To change the COM port assignment from the default COM4, move the two berg jumpers
from their default positions to your new positions that supports your application.
Step 3 - Install the Modem into Your Computer
Installing the MultiModemZPX requires you to open your computer. Please consult your computer manual
in addition to the following instructions:
1. Turn off the computer and unplug it. Failure to do so may result in damage to both the
MultiModemZPX and the computer. Do not turn on the computer until the instructions tell you
to do so.
2. Remove the cover from the computer as instructed in the computer manual.
3. Select an empty ISA expansion slot. Remove the expansion slot cover and save the retaining
screw.
4. Place the MultiModemZPX directly above the expansion slot and gently, but firmly, push it into
the connector until the card’s retaining bracket is flush against the computer chassis.
5. Fasten the retaining bracket to the computer chassis with the screw saved in step 3.
6. Replace the cover of the computer.

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Step 4 - Run Add Hardware Wizard
1. Click on Start I Control Panel I Add Hardware and the Add Hardware Wizard screen is dis-
played.
2. Click on the Next button on the Add Hardware Wizard screen. The wizard will pause a few
seconds trying to detect the new device. Windows will not detect any device, if the system
does, it may be some other device that has not been properly installed.
3. When Is the hardware connected? screen displayed, click on Yes, I have already connect-
ed the hardware option and click Next.
4. The following hardware is already installed on your computer screen is displayed. Scroll down
to Add a new hardware device and highlight. Click Next.
5. Click on Install the hardware that I manually select from a list [Advanced] and click Next.
6. From the following list below, select the type of hardware you are installing screen is
displayed. Scroll down to Ports [COM & LPT] option. Click Next.
7. Select the device driver you want to install for this hardware. In the Model window, select
Communications Port and click Next.
8. When the Completing the Add Hardware Wizard screen appears, click on View or change
resources for this hardware [Advance] option and the Add Hardware Wizard Properties
screen appears, click on Set Configuration Manually option and ckick OK.
9. The Add Hardware Wizard Properties window for Communications Port [COM3] is dis-
played. In the Setting based on: window, chose the basic configuration that mostly matches
your situation. For example Basic configuration 0003 has an I/O range 02F8-02FF used by:
Communications Port [COM2].
10.To change either of the settings, click on either I/O Range or IRQ in the Resource type win-
dow and then click on Change Setting button.
11.If you need to change the IRQ, the Edit Interrupt Request window is displayed. In the Value:
window click on either the up arrow or the down arrow to choose your interrupt value that you
recorded in Step 5. Click OK.
12.Click Finish in the Completing the Add Hardware Wizard window and Windows wants to
restart your computer in order for the changes to take effect. Click Yes.
13.After the system reboots, verify that your com port is available and your IRQ is correct by se-
lecting the Control Panel I System and clicking on the Hardware tab in the System Proper-
ties screen.
14.Click on the Device Manager button. Click on the Ports (COM & LPT) to display the Commu-
nications Ports. If either a yellow Exclamation point or Red Question mark appears, a conflict
with some of the resources or that the device is disabled in the system. If no yellow Exclama-
tion point or Red Question mark, no conflicts are present.

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MultiModemZPX User Guide
Step 5 - Run Add Modem Wizard
1. Place the MT5634ZPX-V92 CD in the CDROM drive and allow time for the CD to spin up. The
MT5634ZPX-V92 AutoRun screen will appear.
2. Click on Start I Control Panel I Phone and Modem Options.
3. In the Phone and Modem Options screen with the Dialing Rules tab active, click on the
Modems tab.
4. Click on the Add button.
5. In the Install New Modem screen, click on Don’t detect my modem; I will select it from a
list. Click Next.
6. In the next Install New Modem screen, click on the Have Disk button.
7. Browse to the location of the CDROM drive, usually CD Drive(D:). The Locate File screen
appears, click on the Look in: down arrow and choose the CDROM drive. Click on zpxisa.inf
file.
8. In the Models window of the Install New Modem screen, click on the MT5634ZPX-V92 option
and click Next.
9. The Select the port(s) you want to install the modem on screen appears. Highlight the COM
port On which ports do you want to install it? This is the COM port that you choose in step 8
in Determine System Resources. Click Next.
10.Windows will display the logo compatibility test screen, click Continue Anyway button.
11.The Modem installation is finished screen appears, click Finish.
Step 6 - Query Modem
1. To be sure the system can access the modem, highlight the MT5634ZPX-V92 in the Modem
window of the Phone and Modem Options screen. Click the Properties button.
2. The MT5634ZPX-V92 Properties screen is displayed, click on the Diagnostics button.
3. In the Modem Information area, click on Query Modem button. The system will pause for a
few seconds while trying to access the modem. The modem will respond to the AT commands
sent by the system.
4. The modem response will be displayed in the Command I Response window of the
MT5634ZPX-V92 Properties screen.

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MultiModemZPX User Guide
Step 7 - Connect Your Modem to the Telephone Line
The MultiModemZPX communicates over public-switched telephone network lines. Use the modular
telephone cable provided with the modem to connect the MultiModemZPX to your telephone wall jack. If
you don’t have a standard modular wall jack near your computer, install one or have one installed for you
by your telephone company. In the U.S., installation kits and adapters are available wherever telephones
are sold.
PHONE
MT5634ZPX Internal ISA Modem
1. Plug one end of the supplied modular telephone cable into the LINE jack.
2. Plug the other end of the telephone cable into a working wall jack.

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MultiModemZPX User Guide
Step 8: Configure the Modem for Your Country
Before you use your modem, you must configure it for the country in which it will be used. You must also
do this if you move the modem to another country after it has been configured for the first country. You can
use one of two configuration methods: the Global Wizard utility or AT commands.
The Global Wizard Utility
The Global Wizard configuration utility is recommended for computers running Windows 98 or newer.
1. Insert the MultiModemZPX CD into the CD-ROM drive. The Autorun menu should appear.
2. Click Initial Setup and Country Selection.
3. In the Global Wizard dialog box, select either Run from CD or Install on your PC. Choose
the former to configure your modem without installing the Global Wizard on your computer.
Choose the latter to install the Global Wizard on you computer and Start menu.
4. Click Next. The Global Wizard searches for your modem and identifies it.
5. Click Next.
6. Select the country in which the modem will be used, and then click Next.
7. Review your choice of country. If it is correct, click Next to configure the modem.
8. When Global Wizard announces that the parameters have been set, click Finish to exit.
AT Commands
Non-Windows users can configure the modem using AT commands. You must enter these commands in
your communication program’s terminal window.
There is a separate document of AT Commands provided for reference on the MultiModem system CD.
1. Run your favorite communication program, and open the program’s terminal window.
2. To configure the modem for a specific country, type AT%T19,0, nn , where nn is the country
code in hexadecimal notation, and then press Enter.
3. To verify the change, type ATI9, and then press Enter. The country code is displayed in deci-
mal format.
Example of country, command and result codes
Country AT command Result code
(hexadecimal) (decimal)
Euro/NAM AT%T19,0,34 (default) 52
Japan AT%T19,0,10 16
A complete list of country codes can be found on the Multi-Tech Web site at
http://www.multitech.com/GlobalModem/config.
Data Communications Software
Data communications software is designed to send and receive messages. Multi-Tech includes a data
communications software with your modem. However, the modem will work with most data
communications software. To install the software, insert the CD into the CD-ROM drive; click the Phone
Tools icon. You will be asked to choose your language. The software automatically loads onto your PC.

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MultiModemZPX User Guide
Chapter 3 - Using Your Modem
Operating Your MultiModemZPX
If you’re an experienced modem user, you may only want to check your modem’s settings for data
compression, error correction, and so on. You’ll find you can get moving quite quickly by using a terminal
window (you may use HyperTerminal in Windows) to issue the AT&V<cr> command. This command will
list your modem’s current configuration, the stored (user) profiles, and the stored telephone numbers. If
you come across a setting you’re unsure of, refer to the AT Command Reference Guide for AT commands
and S-Register explanations and defaults.
Your MT5634ZPX can be controlled by issuing AT commands and setting S-Registers. Since your
MultiModemZPX default settings use a traditional modem set to make a dial-up call to a remote
installation where the call is answered automatically—you shouldn’t need to change the current
configuration.
In operating your MultiModemZPX, it is likely that you will use your data communications software to
either:
• Enter
terminal mode, where you can speak most directly to the modem by issuing AT
commands, or
• Launch a data communications or Dial-Up Networking session through a set of modem
configurations that you select and then associate with a target telephone number.
Testing Your Modem
Testing Data Functions
You can test your modem’s data transfer functions by logging on to Multi-Tech’s Web site to register your
modem.
Note: This procedure assumes you have set up a successful dial-up Internet connection and
you have a web browser installed on your computer.
1. Make your connection to the Internet.
2. Go to http://www.multitech.com/register/
3. Complete and submit the form.
Testing Fax Functions
Test your modem’s fax capabilities by sending a fax to Multi-Tech or to a fax machine in your office.
Windows 95, 98 and 2000 include a faxing application. If you are using Windows NT and want to fax
from your computer, you will need to install a third party faxing application.
The Windows fax application can act as a stand-alone fax program, or it can be used to fax from within
an application such as a word processor. If you are using Windows 2000 and are not familiar with the
faxing procedure, use the Windows 2000 Help index to find the topic entitled Fax, how to fax a document .
If you are faxing from Windows 95 or Windows 98, use the following procedure:
1. Click Start | Programs | Accessories | WordPad.
2. Create a message in WordPad, for example: This is a test of the MultiModemZPX’s fax
capabilities.

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MultiModemZPX User Guide
3. Save the file as ZPXTest.doc and exit WordPad .
4. Click Start | Programs | Accessories | Fax | Compose New Fax.
5. The Compose New Fax wizard appears. Click Next.
6. To send the file to your own fax machine or to another fax modem in your office, type the des-
tination name and phone number in the To and
Fax # boxes.
7. Click Add to List; then click Next.
8. Select a cover page; then click Next.
9. Type a subject line (e.g., MultiModemZPX Fax Test) and a note to go on the cover page;
then click Next.
10. Click Add File. In the Open a File to Attach dialog box, select ZPX Test.doc and click
Open. The ZPX Test.doc file is added to the Files to Send list box.
11. Click Next; then click Finish.
12. Microsoft Fax opens the ZPX Test.doc file in WordPad, prints it to the Rendering System, di-
als the recipient, and then sends the fax.
13. Exit Microsoft Fax when the Status dialog box displays that the fax was sent successfully.
Other Methods for Accessing Microsoft Fax
•In Windows, select File | Print and select Microsoft Fax or Fax as the default printer.
•In a Windows application, select File | Send.
•In Microsoft Exchange, select Compose and then New Fax.
Remote Configuration
Remote configuration is a network management tool that allows you to configure modems anywhere in
your network from one location. With password-protected remote configuration, you can issue AT
commands to a remote MT5634ZPX modem for maintenance or troubleshooting as if you were on-site.
Basic Procedure
The following procedure is valid regardless of whether the connection is established by the local or
remote Multi-Tech modem.
1. Establish a data connection with a remote MT5634ZPX modem.
2. Send three remote configuration escape characters followed by AT and the setup password.
Then press ENTER. Example: %%%ATMTSMODEM, press the Enter key. You have four at-
tempts to enter the password correctly before being disconnected. If the password is correct,
the remote modem responds with OK.
Note: The default setup password for your Multi-Tech Modem is MTSMODEM. Keep in
mind, passwords are case sensitive.
3. You now can send AT commands to configure the remote modem.
CAUTION: Hanging up improperly while you are in remote configuration mode can lock up
the remote modem.
4. When you finish configuring the remote modem, save the new configuration by typing AT&W0,
press the Enter key. Then type ATO, followed by pressing the Enter key to exit remote con-
figuration. You can then break the connection in the normal way.