MultiModemZBA
Global MT5634ZBA-Series
MT5634ZBA–V.90
MT5634ZBA-V–V.90
MT5634ZBA–V.92
MT5634ZBA-V–V.92
User Guide
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Table of Contents
Table of Contents
What Is in Your Modem Package.............................................................................................................7
Step 1: Mount the Feet.............................................................................................................................8
Step 3: Connect the Modem to Your PC................................................................................................10
Step 4: Install the Modem Driver............................................................................................................12
Step 5: Configure the Modem for Your Country.....................................................................................13
Step 6: Install Data Communications Software......................................................................................14
Leased-Line Operation...........................................................................................................................16
Changing the Setup Password...............................................................................................................20
Turning Callback Security On and Off....................................................................................................20
Fax and Data Software Can’t Run at the Same Time............................................................................30
Appendix A - Technical Specifications.....................................................................................................31
Appendix B - Upgrading the Modem’s Firmware.....................................................................................33
Upgrade Overview..................................................................................................................................33
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Table of Contents
International Modem Restrictions...........................................................................................................38
New Zealand Telecom Warning Notice..................................................................................................39
Appendix F - Warranty, Service, and Technical Support........................................................................43
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Chapter 1 - Introduction
Chapter 1 - Introduction
Congratulations on your purchase of the MultiModemZBA modem. You have acquired one of the finest
intelligent voice/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.
The Products
A desktop global data/fax modem supporting the V.90 protocol.
A desktop global data/fax/voice modem supporting the V.90 protocol.
A desktop global data/fax modem supporting the V.92 protocol.
A desktop data/fax/voice modem supporting the V.92 protocol.
MT5634ZBA-V.90
MT5634ZBA-V-V.90
MT5634ZBA-V92
MT5634ZBA-V-V92
The Features
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Global Approval – With an MT5634ZBA global product, you need just one modem for worldwide
use. The MT5634ZBA has approvals in 40+ countries. This means one global product can ship
virtually anywhere.
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Voice – (With Voice Models) The voice feature supports voice mail and a full-duplex speakerphone.
This allows you and the caller to speak and listen at the same time.
Remote Configuration – Whether you provide connectivity for a sales office just miles away or for
multiple offices across the world, the MultiModemZBA lets you configure each remote modem from a
central site. See Chapter 5 for a complete discussion.
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Callback Security – Callback security protects your network from unauthorized access. It also helps
control long-distance charges for remote offices and users requiring access to the central site LAN.
When callback security is enabled, the remote callers enter a password, and then the central site’s
modem calls back. See Chapter 6 for a complete discussion.
Modem-on-Hold – Modem-on-Hold works with your telephone company’s Call Waiting service to put
a remote modem “on hold” while you answer a voice call. When you finish your conversation and
hang up, the previous connection resumes, providing you have not exceeded the time limit. Among
other things, this feature eliminates the problem of the modem disconnecting if someone calls you
while Call Waiting is enabled.
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2-Wire Leased-Line Support – A leased line is a private, permanent, telephone connection
between two points. Unlike normal dialup connections, a leased line is always active. The modems
automatically connect when they are attached to the line and are turned on. Because a leased line is
always active, one of the two modems on the line must be configured as the originate modem and
the other as the answer modem. It does not matter which is which. In the event of an interruption,
leased-line modems automatically reconnect when the data line or power is restored.
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Chapter 1 - Introduction
Features Table
PRODUCTS
FEATURES
MT5634 MT5634 MT5634 MT5634
ZBA
V.90
ZBA-V
V.90
ZBA
V.92
ZBA-V
V.92
V.90/56K Max. Data Speed
x
x
V.92/56K Max. Data Speed
x
x
x
x
x
x
x
x
x
x
x
Modem-on-Hold (V.92 Feature)
Global Approval in Many Countries for Worldwide Use
Voice Support
Callback Security
2-Wire Leased-Line Support
DTMF Tone Detection
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
Phone Number Storage for Automatic or DTR Dialing
Common Features:
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
S V.90 or V.92 Related Features (see below)
S Remote Configuration
S Error Correction
S Caller ID (U.S. Only)
S Multi-Language Data/Fax Software for Windows
S Windows Plug and Play Operation
S Flash Memory for Easy Updates
S Self-Resetting Lightning Protection
S Ten Year Warranty
Features Specific to V.90
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Speed – V.90/56K download speeds from V.90 servers and 33.6K upload speeds.
Fax – Class 1 and 2 faxing at 14.4K.
Compression – V.42 compression.
Features Specific to V.92
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Speed – V.92/56K download speeds and 48K upload speeds when connecting with V.92 server.
Fax – Class 1, 1.0, 2, and 2.1 faxing at speeds to V.34/33.6K bps (Super G3).
Compression – V.44 compression improves data throughput rates.
Quick Connect – Quick connect can cut the time required for a dial-up modem to “handshake”
to an ISP or other connection in half.
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Modem-on-Hold – Modem-on-Hold allows the modem to work in conjunction with call waiting
provided by the phone company.
Please note that some V.92 features are turned off in the factory default configuration, and may need to
be turned on, depending on your needs.
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Chapter 1 - Introduction
What Is in Your Modem Package
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An MT5634ZBA-Series modem
A set of four self-adhesive plastic feet
This Quick Start Guide
A system CD containing modem drivers, a User Guide, an AT Command Reference Guide,
PhoneTools (a data communications program), and Acrobat Reader.
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A universal power supply
A 9-pin to 25-pin serial cable
An RJ-11 phone cable
A power cord (country-specific)
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Chapter 2 - Installation
Chapter 2 - Installation
This chapter shows you step-by-step how to set up your Multi-Tech MT5634ZBA modem.
Safety Warnings
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Use this product only with UL- and CUL-listed computers (U.S.A. and Canada)
To reduce the risk of fire, use only 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.
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Never touch uninsulated telephone wires or terminals unless the telephone line has been
disconnected at the network interface.
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Use caution when installing or modifying telephone lines.
Avoid using a telephone during an electrical storm; there is a risk of electrical shock from lightning.
Do not use a telephone in the vicinity of a gas leak.
Step 1: Mount the Feet
The modem comes with a set of self-adhesive plastic feet, which you can optionally mount on the modem.
To install the feet, simply peel them from their paper strip and press them into the recesses on the bottom of
the modem.
Step 2: Change the Internal Jumpers
This step is required only if:
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You intend to use the modem on a leased line.
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You intend to add a monophonic external speaker to your modem with the voice option. No changes
are needed for stereo.
This will require you to open the modem and move one or more jumpers on the modem’s printed circuit
board.
Warning: The following procedure must be performed by authorized service personnel.
Caution: The circuit board can be harmed by static electricity. Before you open the case, touch a grounded
object, such as the metal chassis of your computer, to discharge any static electricity in your body, then
touch the metal shell of the modem’s RS-232 connector to ensure that there is no voltage difference between
you and the modem.
Opening the Modem
1. If the modem is connected, turn it off and remove all connecting cables (including the power and
line cables).
2. Turn the modem upside down.
3. On the bottom of the modem are two screws, which hold the case together. Remove both
screws and set them aside.
4. Turn the modem right side up.
5. Remove the top part of the modem case.
6. To close the modem, reverse Steps 1–5.
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Chapter 2 - Installation
Location of the Jumpers
Jumper for Modem
with Voice Option
Changing the Dial-Up/Leased-Line Jumper
As shipped from the factory, your modem is configured for normal dial-up operation. That is, the
modem must dial a phone number to connect to another modem. To use the modem on a leased
line, you must change jumper J10 to select leased line operation, and J11 to select whether it will
be the originating or the answering modem. If dial-up operation is selected, J11 has no effect.
See Chapter 3 for additional leased line information.
S The factory default is the answer position. This makes the modem the answering modem
on the leased line.
S To use the modem on a leased line, move the J10 jumper plug from thedefaultdial-uppositiontothe
leased line position.
S To make the modem the originating modem on the leased line, move the J11 jumper plug to the
originate position.
Changing the Voice Jumper
The speaker jumper (J8) is next to the external speaker jack.
S The factory default position of the voice jumper is set for a stereo speaker or sound card. A
jumper plug covers both pins of the J8 jumper.
S To use the modem with a monophonic external speaker, remove the jumper plug from the J8
jumper pins. You can store it by placing it on one jumper pin.
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Chapter 2 - Installation
Step 3: Connect the Modem to Your PC
Turn off your computer. Place the modem in a convenient location, and then connect it to your computer’s
serial port, the telephone line or leased line, AC power, and, optionally, your telephone.
Connections With Voice
Connections - No Voice
Connect the Modem to Your PC
Plug one end of the serial cable into the RS232 connector on the modem and the other end into a
serial port connector on your computer, such as COM1 or COM2.
Connect the Modem to the Telephone Line
Plug one end of the modular telephone cable into the modem’s LINE jack and the other end into a
standard phone wall jack.
Important: The LINE jack is not interchangeable with the PHONE jack. Do not plug the telephone
into the LINE jack or the line cable into the PHONE jack.
Note: Regulatory agencies may impose certain restrictions on equipment connected to public
telephone systems. For more information, see Appendix A.
Connect the Two-Wire Leased Line (Leased Line Only)
Plug one end of a two-wire telephone cable into the modem’s LINE jack and the other end to a
two-wire leased line wall jack or terminals.
Note: Before you can use the modem on a leased line, you must first change the internal jumpers.
See “Step 2: Change the Internal Jumpers.”
Connect the Modem to a Phone (Optional)
If you want to connect a phone to same line as the modem, plug it into the modem’s PHONE jack.
Important: The PHONE jack is not interchangeable with the LINE jack. Do not plug the telephone
into the LINE jack or the line cable into the PHONE jack.
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Chapter 2 - Installation
Connect a Microphone (Voice Option)
For voice mail or speakerphone applications, plug an unamplified microphone into the MIC jack on
the side of the modem. The microphone should have a stereo 1/8-inch mini plug. Do not use a
monophonic microphone.
Connect Speakers (Voice Option)
For speakerphone or voice mail applications, use a 1/8-inch plug male-to-male stereo patch cord
to connect the SPKR jack on the side of the modem to the LINE IN jack on your sound card. If your
sound card does not have a LINE IN jack, use its MIC jack. The stereo male-to-male patch cord
can be purchased at a local PC retail store.
If you do not have a sound card, you can plug an unamplified speaker directly into the SPKR jack.
Connect the Modem to the AC Power Outlet
The power switch is located on the right side of the modem. Make sure it is set to OFF. Plug the
universal power supply into the PWR jack on the modem. Then plug one end of the country-
specific power supply cord into the universal power supply and the other end into a power outlet or
power strip.
Note: Use only the power supply supplied with the modem. Use of any other power supply voids
the warranty and can damage the modem.
Power-On Test
Test the modem by turning it on. When you turn it on, the modem performs a
diagnostic self-test, after which the 56 indicator should light. If this does not happen, check that the
power switch is on, the power supply is solidly connected, and the AC outlet is live. If these
measures do not work, see Chapter 7, “Troubleshooting.”
Surge Protectors and Lightning
Your modem has automatic, self-resetting protection to protect it from lightning-induced electrical
spikes on the telephone line. Nonetheless, large power surges and nearby lightning strikes can
damage or destroy your modem. Therefore, we recommend that you plug the modem into a surge
protector rather than directly into a wall outlet, preferably a surge protector that provides protection
against electrical spikes on the telephone line as well as on the power line. Note that not even a
surge protector can guard against damage from a nearby lightning strike. During an electrical
storm, it is safest to unplug your computer equipment from both the power outlet and the telephone
line.
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Chapter 2 - Installation
Step 4: Install the Modem Driver
If you use Windows 95 or above, you must install the modem driver. The modem driver tells Windows how to
control the modem. If you use a Linux operating system, please see Appendix D. If you use another
operating system, please refer to its documentation for modem installation information.
Installing the Modem Driver
1. Make sure your modem is connected properly, and then turn on your computer. Windows
should detect your new modem and open the Install New Modem wizard.
Note: If Windows cannot find a modem, your modem may be turned off, it may be plugged into
the wrong connector on your computer, or the serial cable may be faulty. See “None of the
LEDs Light When the Modem Is Turned On” and “The Modem Does Not Respond to
Commands” in Chapter 7, “Troubleshooting.”
2. Insert the system CD into your CD-ROM drive, and then click OK.
3. Windows installs the modem driver.
4. Click Finish to exit.
For Windows NT, the Install New Modem wizard presents one additional prompt before Step 2. At
this prompt, select Don’t detect my modem; I will select it from a list. Then click Next.
A dialog box with a list of manufacturers and a list of modem models appears. Select your modem.
Continue with Step 2 above.
Removing an Old Modem Driver
When a new modem replaces another modem, the old modem driver remains in
Windows, and the old modem driver is still selected in Windows applications. Though you can
change the application connection descriptions one at a time, it is easier to force Windows
applications to use the new modem by removing the old modem driver from Windows.
1. Click the Start button, point to Settings, and click Control Panel.
2. Double-click the Modems icon to open the Modems Properties dialog box.
3. In the list box, select the old modem.
4. Click Remove, and then click Close.
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Chapter 2 - Installation
Step 5: Configure the Modem for Your Country
Different countries have different requirements for how modems must function. Therefore, before you use
your modem, you must configure it to match the defaults of the country in which you are using it. 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:
1. Use the Global Wizard to Configure Your Modem
2. Use AT Commands to Configure Your Modem
Using the Global Wizard to Configure Your Modem
The Global Wizard configuration utility is recommended for computers running Windows 95 or newer.
1. Insert the MultiModemZBA system CD into the CD-ROM drive. The Autorun menu should
appear.
2. Click Initial Setup and Country Selection.
3. Choose either:
Run Global Wizard from CD. This will not load the wizard onto your hard drive, or
Install Global Wizard on the HD. This will install the wizard onto your hard drive for future use.
4. The Global Wizard dialog box appeared. Click Next.
5. The Global Wizard searches for your modem and identifies it. Click Next.
6. Select the country in which the modem will be used. Click Next.
7. Review your choice of country. Ifitiscorrect,clickNext to configure the modem.
8. When Global Wizard announces that the parameters have been set, click Finish to exit.
Using AT Commands to Configure Your Modem
Non-Windows users can configure the modem using AT commands. You must enter these commands
in your communication program’s terminal window.
1. Run Phone Tools.
2. To configure the modem for a specific country:
Type AT%T19,0,nn, where nn is the country code in hexadecimal notation.
Click ENTER. The message OK displays.
3. Then save the code by typing the following command: AT&F&W.
Click ENTER. The message OK displays.
4. To verify that the correct country has been configured, type:
ATI9 and click ENTER.
The country code displays:
Country
AT Command (hexadecimal)
Result code (decimal)
Euro/NAM
AT%T19,0,34 (default)
52
A list of country codes can be found on the Multi-Tech Web site at
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Chapter 2 - Installation
Step 6: Install Data Communications Software
Data communications software is designed to configure a modem so it can send and receive messages.
Your Multi-Tech modem operates under the control of a data communications program, such as Phone
Tools, included with the modem. The modem can also operate under other general-purpose data
communication programs, such as Windows HyperTerminal. To install Phone Tools, insert the MT5634ZBA
system 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. To configure your modem, follow these steps:
1. After installing Phone Tools, run the program.
2. Find the dialog box or menu that lets you select your modem. (In Windows Terminal select
Settings | Modem Commands; in HyperTerminal select File | Properties | Phone Number; and
in PhoneTools select Configure | General Configuration | Communication | Change Modem.
3. Choose your modem from the program’s modem list. If it isn’t listed, choose a generic modem and
modify the settings as necessary.
4. Change the modem initialization string, if necessary. The factory default configuration works well
for most purposes. To load the factory default configuration, use AT&F. To load a custom
configuration that was saved using the &W command, use ATZ. For a Macintosh, the initialization
string should include the &D0 command. If you do not want the modem to always answer the
phone, add S0=0 to the string. To use Caller ID with the modem, add S0=2 to the string (Caller ID
information is sent between the first and second rings, so the phone must ring at least twice before
the modem picks up the line). Depending on the software, you might have to end the string with a
carriage return character (^M).
Note: To change the modem’s default configuration, type new commands in the communication
program’s terminal window, adding the &W command to store them in the modem’s nonvolatile
memory. For instance, to create a default configuration that turns off autoanswer, type
AT&FS0=0&W. The new configuration loads automatically whenever the modem is turned on or
receives the ATZ command.
5. Select the port the modem is connected to (normally COM1 or COM2).
6. Select your serial port speed. This can be labeled “maximum speed,” “DTE bps,” or “baud rate.”
Ideally, if you use data compression, you should set your serial port baud rate to four times the
modem’s maximum transmission speed or faster; however, few files can be compressed enough
to require speeds that high, and not all serial ports can handle speeds that high.
7. If the communication program has an autobaud selection, make sure it is disabled. Autobaud
applies only to older modems, and can cause problems if enabled.
8. If the program allows you to edit the no-connect messages (NO CARRIER, BUSY, NO ANSWER,
NO DIALTONE), make sure there is no space between DIAL and TONE in NO DIALTONE.
9. For more information, refer to the software manuals or the software’s online help for other
configuration choices and for information on how to use the modem with other communication
programs. In most cases you can accept the default values.
Step 7: Modem-on-Hold
This step applies to modems used in North America and V.92 modems only.
Modem-on-Hold is a feature that allows you to manage all your telephone communications while connected
to the Internet over a single telephone line. Load it onto your PC from the system CD.
Important:
1. The modem driver must be installed before you install Modem-on-Hold.
2. Your ISP must support the Modem-on-Hold feature.
3. Your modem must be support V.92.
4. Your phone line must support call waiting.
For information about setting up and using Modem-on-Hold, refer to the Modem-on-Hold ReadMe file. You
can also use the program’s online Help accessed by pressing F1 or the Help button; you can also right-
mouse click on a menu item.
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Chapter 3 - Operation
Chapter 3 - Operation
About the Front Panel
The MultiModem V.92 Front Panel
The MultiModem V.90 Front Panel
The MultiModemZBA LED indicators on the front panel indicate status, configuration, and activity:
TD – Transmit Data. Flashes when the modem is transmitting data to another modem.
RD – Receive Data. Flashes when the modem is receiving data.
CD – Carrier Detect. Lights when the modem detects a valid carrier signal from another modem. It is on
when the modem is communicating with the other modem, and off when the link is broken.
56 – 56K Mode (56,000–28,000 bps). Lights whenever the modem is set for or connects using the V.90 or
V.92 protocol. The actual connection speed depends on ISP server capabilities and line conditions.
33 – V.34 Mode (33,600–16,800 bps). Lights whenever the modem connects using the V.34 protocol.
14 – V.32bis Mode (14,400–12,000 bps). Lights when the modem connects using the V.32bis protocol. The
modem can connect at lower than V.32bis speeds, but no speed indicator lights during the connection.
OH – Off-Hook. Lights when the modem is off-hook, which occurs when the modem is dialing, online, or
answering a call. Flashes when the modem pulse-dials.
TR – Terminal Ready. Lights when a communications program is using the modem. It means the modem is
ready for an outgoing or incoming call. It goes off when the communications program disconnects the
serial port. When it goes off, a connected modem will also disconnect.
EC – Error Correction (V.42). Lights continuously when the modem is in V.42 error correction mode, and
flashes when compression is activated.
FX – Fax. Lights when the modem is in fax mode.
Note: When you turn on the modem, the protocol indicators flash briefly as the modem does a self-test, after
which the 56 indicator lights. After a call, the indicator for the protocol used in the connection remains
lit until another call is made or the modem is reset. If you connect at a rate under 14,400 bps, all
protocol indicators remain off after the connection is broken, even though the modem is still turned on.
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Chapter 3 - Operation
PhoneTools Features
With the PhoneTools communications program included with your modem, you can:
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Upload and download data files.
Send faxes at preset times.
Store incoming voice messages and faxes.
Retrieve stored messages, faxes, and telephone numbers (telephone number retrieval requires
Caller ID service from your telephone company).
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Print a received fax.
For detailed information about operating your modem under PhoneTools, please refer to the PhoneTools
online documentation.
Leased-Line Operation
The MultiModemZBA modem can be used on a two-wire leased line.
A leased line is a private, permanent telephone connection between two points. Unlike normal dialup
connections, a leased line is always active. The modems automatically connect when they are attached to
the line and are turned on. Because a leased line is always active, one of the two modems on the line must
be configured as the originate modem and the other as the answer modem; however, it does not matter
which is which.
In the event of an interruption, leased-line modems automatically reconnect when the data line or power is
restored.
Setup
1. Open the modem and change jumper J10 to select leased-line operation, and jumper J11 to
select either originate or answer operation, depending upon how you intend to use the modem.
See Chapter for the detailed procedure.
2. Connect a modular telephone cable to the LINE jack. Connect the other end of the cable to a
two-wire lease-line jack or terminals supplied by the telephone company.
3. Turn on the modem.
V.92 Operation
Because the V.92 protocol is new and still largely unsupported by central servers, some features are
disabled by default in the initial release of the MT5634ZBA modem. This section describes the status of the
V.92 features in the initial release. Please note that the V.92 special features require connection to a V.92-
capable server.
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General. The V.92 protocol is enabled by default. If the MultiModemZBA modem detects another
V.92 modem during the handshake phase, they will connect in V.92 mode; otherwise, they will
connect in V.90 mode or the highest mutually acceptable mode. The AT command that controls this
is +MS=.
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Commands. AT commands specific to the V.92 protocol and the new V.44 compression protocol
begin with the plus character (+). These commands are in this manual. Also, the S109 register has
been modified to support V.92.
PCM Upstream. PCM Upstream is disabled by default. To upload files at speeds above 33.6 kbps,
you must enable PCM Upstream using the command +PIG=1. Please note that this requires
connection to a V.92-capable server. Also, please note that since upload speeds are affected by line
conditions, meeting the previous requirements cannot guarantee speeds above 33.6 kbps.
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Quick Connect. Quick Connect, which shortens the handshake time with another V.92 modem, is
disabled by default. To enable it, use the command +PQC=0. Quick Connect speeds connect times
by skipping the line test during the handshake and using the configuration from the last data
connection. Quick Connect works best when line conditions are consistent from call to call. If line
conditions are variable, enabling Quick Connect can actually increase the connect time slightly.
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Chapter 3 - Operation
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Modem-on-Hold. Modem-on-Hold enables you to put a V.92-capable server on hold while you take
another call. Modem-on-Hold operation is possible only with the Modem-on-Hold program included
with the MT5634ZBA modem.
Connecting to the Internet
Your Multi-Tech modem is your gateway to the Internet and the World Wide Web. To access the Internet and
Web via your modem, you must establish a dial-up account with an Internet service provider (ISP). To locate
an ISP near you, look in a local directory or computer publication. Your ISP should provide you with the
following information:
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User name (also called user ID)
Password
Access number (the number you call to connect to the server)
Host name and/or domain name
Domain Name Server (DNS) server address
If, besides the Web, you use the Internet for e-mail and newsgroups, your ISP should also provide you with
the following information:
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E-mail or POP mail address
POP server address
Mail or SMTP address
News or NNT server address
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Chapter 4 - AT Commands, S-Registers, and Result Codes
Chapter 4 - AT Commands, S-
Registers, and Result Codes
The AT Commands, S-Registers, and Result Codes for the MT5634ZBA-Series Modems are published is a
separate Reference Guide. This guide is included on the MT5634ZBA-Series system CD. You can open the
guide from the CD, or you download the guide to your hard drive.
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Chapter 5 - Remote Configuration
Chapter 5 - Remote Configuration
Remote configuration is a network management tool that allows you to configure MT5634ZBA modems
anywhere in your network from one location. With password-protected remote configuration, you can issue
AT commands to a remote modem for maintenance or troubleshooting as if you were on site.
Basic Procedure
The following steps can be used when the connection is established by the local or the remote modem.
Note: The remote computer must be running and a communication program must be ready for a data
connection, which will be indicated by a lighted TR indicator on the front of the modem.
1. Establish a data connection with a remote MT5634ZBA modem.
2. Send three remote configuration escape characters followed by AT and the setup password, and
press ENTER. Example: %%%ATMTSMODEM. You have four tries to enter the correct password
before being disconnected. If the password is correct, the remote modem responds with OK.
3. You can now send AT commands to configure the remote modem.
4. When you have finished configuring the remote modem, save the new configuration by typing
AT&W0 and pressing ENTER.
5. Type ATO and press ENTER to exit remote configuration. You can now break the connection in the
normal way. CAUTION: If you hang up while you are in remote configuration mode, the modem
may lock up.
Setup
Multi-Tech modems are shipped with a default setup password (MTSMODEM). Because anyone who has
the User Guide knows the default setup password, you should change the password and possibly also the
remote configuration escape character.
Changing the Setup Password
1. Open a data communications program such as HyperTerminal or PhoneTools.
2. In the terminal window, type AT#SMTSMODEM (or AT#Sxxxxxxxx if you have replaced the
MTSMODEM password with xxxxxxxx) and press ENTER. The modem responds with OK if the
setup password is correct, and ERROR if it is wrong.
3. To change the password, type AT#S=xxxxxxxx, where xxxxxxxx stands for the password, and
then press ENTER. The password can include any keyboard character, and can be up to eight
characters long. The modem responds with OK. CAUTION: Passwords are case-sensitive.
The next time you enter the password, it must be in the same case as you set it up.
4. The new password is saved automatically. You can now either enter more AT commands or
exit the data communications program. The next time you wish to set up the modem, you must
use the new password.
Changing the Remote Escape Character
To further improve security, you can change a remote modem’s remote configuration escape character
either locally or remotely. The remote configuration escape character is stored in register S9. The
factory default is 37, which is the ASCII code for the percent character (%). Setting S9 to 0 (zero)
disables remote configuration entirely. CAUTION: If you do this remotely, you won’t be able to change
it back remotely.
1. Establish a remote configuration link with the remote modem as described in Basic Procedure.
2. Type ATS9=n, where n is the ASCII code for the new remote configuration escape character,
and then press ENTER.
3. Save the new value by typing AT&W and pressing ENTER.
4. Type ATO and press ENTER to exit remote configuration.
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Chapter 6 - Callback Security
Chapter 6 - Callback Security
This chapter describes how to use callback security with your modem. Callback security protects your
network from unauthorized access and helps control long-distance costs. When callback security is enabled,
all callers are requested to enter a password. If a valid password is received, the modem hangs up and
returns the call by dialing a phone number that is stored with the password. The person being called back
must then enter the password a second time to establish a connection.
Up to 30 callback passwords and dialing strings can be stored in the modem. Each dialing string can be up
to 34 or 35 characters long and can contain commands as well as phone numbers. For mobile callers, the
dialing string can be programmed to allow the caller to bypass the stored callback number by entering a
temporary callback number, to enter an extension at the callback number, or to make a direct connection
without callback.
For local security, the passwords and dialing strings that are stored in the modem are protected from
tampering by a setup password, which you should change when you set up the modem. You can further
protect the modem against tampering by disabling its ability to respond to most AT commands. To check for
attempted break-ins, you can request the modem to display the number of failed password attempts.
Your modem was shipped with a default setup password (MTSMODEM). The same password is used for
both callback security and remote configuration (Chapter 5). Because anyone who has access to this guide
has access to the default password, you should change the password during your initial setup.
Changing the Setup Password
1. Open a data communications program such as HyperTerminal or PhoneTools.
2. In the terminal window, type AT#SMTSMODEM (or AT#Sxxxxxxxx if you have replaced the
MTSMODEM password with xxxxxxxx). Press ENTER. The modem responds with OK if the setup
password is correct and ERROR if it is wrong.
3. To change the password, type AT#S=xxxxxxxx, where xxxxxxxx stands for the password, and
then press ENTER. The password can include any keyboard character, and can be up to eight
characters long. The modem responds with OK.
4. The new password is saved automatically. You can now either enter more AT commands or exit
the data communications program. The next time you wish to set up the modem, you must use the
new password.
CAUTION: Passwords are case-sensitive. The next time you enter the password, it must be in the
same case as you set it up.
Turning Callback Security On and Off
Callback security must be turned on to enter many callback security commands.
1. Open a data communications program such as HyperTerminal or PhoneTools.
2. In the terminal window, type AT#Sxxxxxxxx, where xxxxxxxx is your password. Press ENTER. The
modem responds with OK if the setup password is correct and ERROR if it is wrong.
3. Type one of the following commands:
S To turn off callback security: Type AT#CBS0 and press ENTER. Callers no longer need a
password to connect to the modem, the modem is unable to call them back, and the stored
dialing command locations 0–3 become available.
S To turn on both local and remote callback security: Type AT#CBS1. Press ENTER. With
local security turned on, you must enter the setup password before you can enter any AT
command except the AT, ATIn, and AT#Sxxxxxxxx commands. For a description of remote
callback security, see the following paragraph.
S To turn on remote callback security only: Type AT#CBS2 and press ENTER. With remote
callback security turned on, each caller is asked to enter a password, is called back, and then
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Chapter 6 - Callback Security
is asked to enter the password again before a connection can be made. Also, dialing
command locations 0–3 for use with the DS=y dialing command are replaced by callback
dialing command locations 0–29.
S To temporarily disable callback security if the modem is set to #CBS1 or #CBS2 (for
instance, to call another modem): Type AT#CBS3 and press ENTER. The modem returns to
its original setting when you issue the hangup command (+++ATH) or the modem is reset.
Note that if a remote modem breaks the connection, callback security remains disabled.
Setting Callback Security Message Parity
The modem’s password prompt and messages parity must match the parity of the computer to which the
modem is connected.
1. Open a data communications program such as HyperTerminal or PhoneTools.
2. In the terminal window, type AT#Sxxxxxxxx, where xxxxxxxx is your password. Press ENTER. The
modem responds with OK if the setup password is correct and ERROR if it is wrong.
3. The modem’s parity default value is No parity (AT#CBP0). To change the modem’s default to use
even parity, type AT#CBP2. Press ENTER. For odd parity, type AT#CBP1. Press ENTER.
4. To store the new parity value, type AT&W. Press ENTER.
Assigning Callback Passwords and Phone
Numbers
1. Open a data communications program such as HyperTerminal or PhoneTools.
2. In the terminal window, type AT#Sxxxxxxxx, where xxxxxxxx is your password. Press ENTER. The
modem responds with OK if the setup password is correct and ERROR if it is wrong.
3. Enable callback security by typing AT#CBS1 or AT#CBS2 and pressing ENTER.
4. To store a callback password for the first callback memory location, type AT#CBN0=xxxxxxxx,
where xxxxxxxx is the first password. Press ENTER. The password must be unique, must be six to
eight characters in length, and must not contain a + or - character.
5. To store a callback password for the second callback memory location, type AT#CBN1=xxxxxxxx,
where xxxxxxxx is the second password. Press ENTER. Note that the memory location number in
the command is incremented by one.
6. Repeat as many times as necessary, up to memory location 29, until all passwords have been
entered.
7. To store a callback phone number in the first memory location, type AT&Z0=[+][-
]ATxxxxxxxx[,???], where xxxxxxxx is the dialing string. Press ENTER. The phone number must
be preceded by DT for tone dialing or DP for pulse dialing. The dialing string can also include other
AT commands. Example: AT&Z0=+-ATM0DT5551212. Up to 35 characters can be used. The +, -,
and ??? characters are optional:
+
-
Number entry. Enables a mobile caller to enter his current phone number for callback.
Direct connection. Enables a caller to choose direct connection without being called back.
,??? Extension entry. Must be used with the + command. Enables a caller to enter an extension
number for callback. The number of ? characters must equal the number of digits in the
extension.
8. To store a callback phone number in the second memory location, type AT&Z1=[+][-
]ATxxxxxxxx[,???], where xxxxxxxx is the dialing string, and press ENTER. Note that the memory
location number in the command is incremented by one.
9. Repeat as many times as necessary, through memory location 29, until all dialing strings have
been entered.
10. To review your entries, type AT&V and press ENTER.
Note: A form is provided on the last page of this chapter to help you plan or keep track of password
and phone number assignments.
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Chapter 6 - Callback Security
Calling Procedures
Use the following procedures to call a modem that has callback security enabled. Note that Autoanswer must
be enabled on the calling modem (S0=1).
Password-Only Callback
Use this procedure when calling from a fixed location.
1. Using a data communications program such as HyperTerminal or PhoneTools, dial the number
of the callback modem.
2. When the connection is established, the callback modem responds with the following
message:
Password>
3. Type the password corresponding to the phone number for your modem. Press ENTER. You
have three attempts or one minute to enter a valid password.
4. If the password is valid, the following message appears, and the modems disconnect:
OK Disconnecting
5. After the delay specified by the #CBDn command, the callback modem calls the number
associated with the password. If the callback modem is unable to establish a connection, it
tries again, up to the number of attempts specified by the #CBAn command.
6. After the modems reconnect, the following message reappears:
Password>
7. Type the same password that you used to initiate the call. You are allowed three attempts to
enter the password, after which you will be disconnected.
8. If the password is valid, the following message appears and the modems establish a working
connection:
OK Connecting
Number-Entry Callback
Mobile callers should use this procedure when calling from a phone number different from that stored
with the password. The password that is used must be set up for optional number-entry callback.
1. Using a data communications program such as HyperTerminal or PhoneTools, dial the number
of the callback modem.
2. When the connection is established, the callback modem responds with the following
message:
Password>
3. Type a number-entry password, press the plus key (+), type ATDT and the number to call back
to, and press ENTER. You have three attempts or one minute to enter a valid password.
Note: When you type your phone number, be sure to include the long distance and area codes
if they are needed.
4. If the password is valid, the following message appears, and the modems disconnect:
OK Disconnecting
5. After the delay specified by the #CBDn command, the callback modem calls the number that
you entered after the + character. If the callback modem is unable to establish a connection, it
tries again, up to the number of attempts specified by the #CBAn command.
6. After the modems reconnect, the following message reappears:
Password>
7. Type the same password that you used to initiate the call. You are allowed three attempts to
enter the password, after which you will be disconnected.
8. If the password is valid, the following message appears and the modems establish a working
connection:
OK Connecting
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Chapter 6 - Callback Security
Extension-Entry Callback
Use this procedure when calling from an extension at the callback number. The password that you use
must be set up for an optional extension-entry callback.
1. Using a data communications program such as HyperTerminal or PhoneTools, dial the number
of the callback modem.
2. When the connection is established, the callback modem responds with the following
message:
Password>
3. Type an extension-entry password, press the plus key (+), type the extension to call back to,
and press ENTER. You have three attempts or one minute to enter a valid password.
4. If the password is valid, the following message appears, and the modems disconnect:
OK Disconnecting
5. After the delay specified by the #CBDn command, the callback modem calls the extension that
you entered after the + character. If the callback modem is unable to establish a connection, it
tries again, up to the number of attempts specified by the #CBAn command.
6. After the modems reconnect, the following message reappears:
Password>
7. Type the same password you used to initiate the call. You are allowed three attempts to enter
the password. After that, you will be disconnected.
8. If the password is valid, the following message appears, and the modems establish a working
connection:
OK Connecting
Direct Connection
Use this procedure when you want to connect without first being called back. The password that you
use must be set up for an optional direct connection.
1. Using a data communications program such as HyperTerminal or PhoneTools, dial the number
of the callback modem.
2. When the connection is established, the callback modem responds with the following
message:
Password>
3. Type a direct connection password, press the - key, and then press ENTER. You have three
attempts or one minute to enter a valid password.
4. If the password is valid, the following message appears and the modems establish a working
connection:
OK Connecting
Note: You can make all calls direct connect regardless of whether the password or phone number
has the - character by using the %H1 command
Callback Security Commands
The AT Commands related to Callback to Security are included in the separate AT Commands
Reference guide included on MT5634ZBA-Series Modem system CD.
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Chapter 7 - Troubleshooting
Chapter 7 - Troubleshooting
Your modem was thoroughly tested at the factory before it was shipped. If you are unable to make a
successful connection, or if you experience data loss or garbled characters during your connection, it is
possible that the modem is defective. However, it is more likely that the source of your problem lies
elsewhere. The following symptoms are typical of problems you might encounter:
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None of the LEDs light when the modem is on.
The modem does not respond to commands.
The modem cannot connect when dialing.
The modem disconnects while online.
The modem cannot connect when answering.
File transfer is slower than it should be.
Data is being lost.
There are garbage characters on the monitor.
The modem doesn’t work with Caller ID.
Fax and data software can’t run at the same time.
If you experience problems, please check the following possibilities before calling Technical Support (see
Appendix F).
None of the Indicators Light
When you turn on the modem, the LED indicators on the front panel should flash briefly as the modem runs a
self-test. If the LEDs remain off, the modem is probably not receiving power.
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Make sure the modem’s power switch is on, especially if you normally turn the modem on by turning
on a power strip.
If the modem is plugged into a power strip, make sure the power strip is plugged in and its power
switch is on.
Make sure the power supply is firmly connected to the modem and the power supply’s power cord is
firmly connected to both to the power supply and the wall outlet or power strip.
If the power strip is on and the modem switch is on, try moving the power supply to another outlet on
the power strip.
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Test that the outlet is live by plugging another device, such as a lamp, into it.
The modem or power supply may be defective. If you have another Multi-Tech modem, try swapping
modems. If the problem goes away, the first modem or power supply might be defective. Call
Technical Support for assistance.
CAUTION: Do not under any circumstances replace the power supply with one designed for another
product; doing so can damage the modem and void your warranty.
The Modem Does Not Respond to Commands
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Make sure the modem is plugged in and turned on. (See “None of the Indicators Light.”)
Make sure you are issuing the modem commands from data communication software, either
manually in terminal mode or automatically by configuring the software. (You cannot send
commands to the modem from the DOS prompt.)
S
Make sure you are in terminal mode in your data communication program, then type AT and press
ENTER. If you get an OK response from your modem, your connections are good and the problem
likely is in the connection setup in your communication software.
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Chapter 7 - Troubleshooting
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Try resetting your modem by turning it off and on. If you are using DOS or Windows 3.1
communication software, make sure the initialization string includes &F as the first command, to
cancel any “leftover’ command that could affect the modem’s operation.
If you don’t get an OK, the problem may still be in the communication software. Make sure you have
done whatever is necessary in your software to make a port connection. Not all communication
programs connect to the COM port automatically. Some connect when the software loads and
remain connected until the program terminates. Others can disconnect without exiting the program.
The modem’s TR indicator lights to show that the software has taken control of the modem through
the COM port.
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Your communication software settings may not match the physical port to which the modem is
connected. The serial cable might be plugged into the wrong connector—check your computer docu-
mentation to make sure. Or you might have selected a COM port in your software other than the one
the modem is physically connected to—compare the settings in your software to the physical
connection.
If the modem is on, the cable is plugged into the correct port, the communication software is
configured correctly, and you still don’t get an OK, the fault might be in the serial cable. Make sure it
is firmly connected at both ends.
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Is this the first time you have used the cable? If so, it may not be wired correctly. Check the cable
description on the packaging to make sure the cable is the right one for your computer.
Peripheral expansion cards, such as sound and game cards, might include a serial port
preconfigured as COM1 or COM2. The extra serial port, or the card itself, may use the same COM
port, memory address, or interrupt request (IRQ) as your communication port. Be sure to disable any
unused ports.
Windows 9x: Right-click on My Computer, select Properties from the menu, click on the Device
Manager tab, double-click on Ports, then double-click on the communication port your modem is
connected to. In the port’s Properties sheet, click on the Resources tab to see the port’s
input/output range and interrupt request. If another device is using the same address range or IRQ, it
appears in the Conflicting Device List. Uncheck Use automatic settings to change the port’s
settings so they do not conflict with the other device, or select the port the conflicting device is on
and change it instead. If you need to open your computer to change switches or jumpers on the
conflicting device, refer to the device’s documentation.
Windows NT 4.0: To look for address or IRQ conflicts, click Start, Programs, Administrative Tools
(Common), and Windows NT Diagnostics. In the Windows NT Diagnostics dialog box, click the
Resources tab to see which input/output ranges and interrupt requests are in use. If you need to
open your computer to change switches or jumpers on the conflicting device, refer to the device’s
documentation.
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The serial port might be defective. If you have another serial port, install the modem on it, change the
COM port setting in your software, and try again.
The modem might have a problem beyond the scope of this user guide. If you have another Multi-
Tech modem, try the other modem (if there is no problem with the other modem, call Technical
Support for assistance. See Appendix F for phone numbers).
The Modem Cannot Connect When Dialing
There can be several reasons the modem fails to make a connection. Possibilities include
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lack of a physical connection to the telephone line.
a wrong dial tone.
a busy signal.
a wrong number.
no modem at the other end.
a faulty modem, computer, or software at the other end.
incompatibility between modems
poor line conditions.
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Chapter 7 - Troubleshooting
You can narrow the list of possibilities by using extended result codes. Extended result codes are enabled by
default. If they have been disabled, include V1X4 in the modem’s initialization string, or in terminal mode
enter ATV1X4 and press ENTER. When you dial again, the modem reports the call’s progress.
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Chapter 7 - Troubleshooting
S
If the modem reports NO DIALTONE, check that the modem’s telephone line cable is connected to
both the modem’s LINE jack (not the PHONE jack) and the telephone wall jack. If the cable looks
secure, try replacing it. If that doesn’t work, the problem might be in your building’s telephone
installation. To test the building installation, plug a telephone into your modem’s telephone wall jack
and listen for a dial tone. If you hear a dial tone, your modem might be installed behind a corporate
phone system (PBX) with an internal dial tone that sounds different from the normal dial tone. In that
case, the modem might not recognize the dial tone and might treat it as an error. Check your PBX
manual to see if you can change the internal dial tone. If you can’t, change your modem’s
initialization string to replace X4 with X3, which will cause the modem to ignore dial tones.
S
If the modem reports BUSY, the other number might be busy, in which case you should try again
later. However, it might indicate that you have failed to add a 9, the prefix to the phone number if you
must dial 9 for an outside line.
If you must dial 9 to get an outside line, the easiest way to dial it automatically is to include it in the
modem’s dial prefix; e.g., ATDT9. Note the comma, which inserts a pause before the number is
dialed. By inserting 9, into the dial prefix, you do not have to include it in each directory entry.
To change the dial prefix in Windows HyperTerminal, select Connect from the Call menu, click
Dialing Properties, and type 9 in the local and long distance boxes in How I dial from this
location.
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If the modem reports NO ANSWER, the other system has failed to go off-hook, or you might have
dialed a wrong number. Check the number.
If the modem reports NO CARRIER, the phone was answered at the other end, but no connection
was made. You might have dialed a wrong number, and a person answered instead of a computer,
or you might have dialed the correct number but the other computer or software was turned off or
faulty. Check the number and try again, or try calling another system to make sure your modem is
working. Also, try calling the number on your telephone. If you hear harsh sounds, then another
modem is answering the call, and the modems might be having problems negotiating because of
modem incompatibilities or line noise. Try connecting at a lower speed.
S
Poor line conditions can affect the connection. When using V.34 or V.32 client-to-client connections
in poor conditions, setting S38=0 may result in better performance.
The Modem Disconnects While Online
S
If you are not using Modem on Hold, Call Waiting can interrupt your connection when someone tries
to call you. If you have Call Waiting service, disable it before each call. In most telephone areas in
North America, you can disable Call Waiting by preceding the telephone number with *70 (but first
check with your local telephone company).
You can automatically disable Call Waiting by including the disabling code in the modem’s dial prefix
(e.g., ATDT*70, – note the comma, which inserts a pause before the number is dialed). To change
the dial prefix in Windows HyperTerminal, select Connect from the Call menu, click Dialing
Properties, check This location has Call Waiting, and select the correct code for your phone
service.
If you have extension phones on the same line as your modem, you or someone else can interrupt
the connection by picking up another phone. If this is a frequent problem, disconnect the extension
phones before using the modem, or install another phone line especially for the modem.
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Check for loose connections between the modem and the computer, the telephone jack, and AC
power.
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You might have had a poor connection because of line conditions or the problem might have
originated on the other end of the line. Try again.
Your ISP might have hung up on you because of lack of activity on your part or because you
exceeded your time limit for the day. Try again.
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Chapter 7 - Troubleshooting
Modem Cannot Connect When Answering
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The default DTR Control command (&D2) inhibits autoanswer. To enable autoanswer, change DTR
Control to &D0, and make sure &Q0, &Q5, or &Q6 is also set. For more information, see the &D
command in the AT Commands Reference Guide. For information on changing the modem’s default
configuration, see “Install and Configure Your Software” in Chapter 2.
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Autoanswer might be disabled. Turn on autoanswer in your communications program or send the
command ATS0=1 (ATS0=2 if you have Caller ID service) to your modem in terminal mode.
File Transfer Is Slower Than It Should Be
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If you are using a slow transfer protocol, such as Xmodem, try Zmodem or Ymodem/G instead.
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Is your line noisy? If there is static on your line, the modem has to resend many blocks of data to
insure accuracy. You must have a clean line for maximum speed.
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Are you downloading a compressed file with MNP 5 hardware compression enabled? Since
hardware data compression cannot compress a file already compressed by an archiving program,
the transfer can be marginally slower with data compression enabled than with it disabled.
Does your Internet service provider (ISP) use the same 56K protocol as your modem? The default
setting of your modem is to connect using either the V.92 or the V.90 protocol, depending on which
one the ISP’s modem is using. If your ISP uses the V.90 protocol, the maximum speed you will be
able to upload at is 33,600 bps. Check with your ISP to see which protocols it supports.
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Are you trying to send a file to another client modem? If so, then your maximum possible connect
speed is 33,600 bps. You can upload at speeds up to 48,000 bps only when connected to an ISP
that supports the V.92 protocol.
Try entering the I11 command in online mode or the &V command in command mode to display
information about the last connection, making a screen print of the connection statistics, and
checking for parameters that might be unacceptable.
Data Is Being Lost
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If you are using data compression and a high speed serial port, set the serial port baud rate to two to
six times the data rate.
Make sure the flow control method you selected in software matches the method selected in the
modem.
Try entering the I11 command in online mode or the &V command in command mode to display
information about the last connection, making a screen print of the connection statistics, and
checking for parameters that might be unacceptable.
There Are Garbage Characters on the Monitor
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Your computer and the remote computer might be set to different word lengths, stop bits, or parities.
If you have connected at 8-N-1, try changing to 7-E-1, or vice-versa, using your communication
software.
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You might be experiencing line noise. Enable error correction, if it is disabled, or hang up and call
again; you might get a better connection the second time.
At speeds above 2400 bps, the remote modem might not use the same transmission or error
correction standards as your modem. Try connecting at a slower speed or disabling error correction.
(With no error correction, however, line noise can cause garbage characters.)
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Try entering the I11 command in online mode or the &V command in command mode to display
information about the last connection, making a screen print of the connection statistics, and
checking for parameters that might be unacceptable.
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Chapter 7 - Troubleshooting
The Modem Doesn’t Work with Caller ID
S
Caller ID information is transmitted between the first and second rings, so if autoanswer is turned off
(S0=0) or if the modem is set to answer after only one ring (S0=1), the modem will not receive Caller
ID information. Check your initialization string, and if necessary change it to set the modem to
answer after the second ring (S0=2).
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Make sure that you have Caller ID service from your telephone company.
Fax and Data Software Can’t Run at the Same
Time
S
Communication devices can be accessed by only one application at a time. Under DOS or Windows
3.1x, you can run either your fax software or your data communications software, but not both at the
same time, unless you have a special communication device management application. In Windows
95 and higher, you can have data and fax communication applications open at the same time, but
they cannot use the same modem at the same time.
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Appendix A - Technical Specifications
Appendix A - Technical
Specifications
The MT5634ZBA-Series modem meets the following specifications:
Trade Name
MultiModemZBA™
MT5634ZBA
Model Number
Build Number
Global MT5634ZBA–V90, Global MT5634ZBA-V–V90, Global
MT5634ZBA–V92, Global MT5634ZBA-V–V92
Server-to-Client
Data Rates
56K speeds when accessing a V.90 or V.92 server (actual
speed depends on server capabilities and line conditions)*
Client-to-Server
Data Rates
Up to 48Kbps when accessing a V.92 server (actual speed
depends on server capabilities and line conditions); otherwise the same
as client-to-client data rates (see next listing).
Client-to-Client
Data Rates
33600, 31200, 28800, 26400, 24000, 21600, 19200, 16800 bps,
4400, 12000, 9600, 7200, 4800, 2400, 1200, 0-300 bps
Fax Data Rates
V.92: 33600, 31200, 28800, 26400, 24000, 21600, 19200, 16800
V.92 & V.90: 14400, 12000, 9600, 7200, 4800, 2400, 300 bps
Voice Compatibility
Data Format
TIA/EIA IS-101 (Voice Option only)
Serial, binary, asynchronous
Modem Compatibility
ITU-T V.92, V.90, V.34 enhanced, V.34, V.32bis, V.32, V.22bis, V.22;
Bell 212A and 103/113; ITU-T V.21 & V.23; V.42, V.42bis, V.44.
Fax Compatibility
V.92: ITU-T “Super” Group 3; Class 1.0, 2.0, 2.1; T.4; T.30; V.21;
V.27ter; V.29; V.34; V.17; and TIA/EIA Class 1, 2; TR29.2
V.90: ITU-T Group 3, Class 1 and 2, T.4, T.30, V.21, V.27ter, V.29,
V.17, and TIA/EIA TR29.2
Video Compatibility
Error Correction
ITU-T V.80 for H.324 video conferencing
ITU-T V.42
Data Compression
V.92: ITU-T V.44 (6:1 throughput)
V.92 and V.90: V.42bis (4:1 throughput), MNP 5 (2:1 throughput)
Speed Conversion
Serial port data rates adjustable to 300, 1200, 2400, 4800, 9600,
19,200, 38,400, 57,600, 115,200, and 230,400 bps
Mode of Operation
Flow Control
Fax online modes; full duplex over dial-up lines
XON/XOFF (software), RTS/CTS (hardware)
Intelligent Features
Plug and play; fully AT command compatible; dialing options,
autoanswer; 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; remote configuration; DTR dialing; callback security; A-
law support in 56K modes; 11-bit support; real-time fax compression
conversion; U.S. Caller ID reporting; quick-connect startup (V.92);
Modem-on-Hold (V.92).
Command Buffer
40 characters
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Appendix A - Technical Specifications
-11 dBm (North America) – varies by country setting
Transmit Level
Frequency Stability
Receiver Sensitivity
AGC Dynamic Range
Interface
0.01%
-43 dBm under worst-case conditions
43 dB
TIA/EIA RS-232C/ITU-T V.24/V.28
DB25F RS-232C connector; 2 RJ-11 telephone jacks; power jack
Country-specific telephone; power cables; serial cable
Connectors
Cables
Note: Any cables connected to the computer should be shielded to
reduce interference.
Diagnostics
Indicators
Power-on self test, local analog loop, local digital loop, remote digital
loop.
LEDs for Transmit Data, Receive Data, Carrier Detect, 56K bps, 33.6K
bps, 14.4K bps, Off Hook, Terminal Ready, Error Correction, Fax.
Speaker
Internal speaker for call progress monitoring.
Power switch
Manual Control
Environmental
Temperature range 0°–50°C (32°–120°F) ambient under closed
conditions; humidity range 20–90% (non-condensing)
Power Requirements
100–130/230VAC, 50/60 Hz, 5 W; two-prong outlet-mounted
transformer (included); 230V/50 Hz optional (international); universal
power supply
Power Consumption
Dimensions
9 VDC, 300 mA maximum
10.8 cm wide x 14.8 cm long x 2.9 cm high (4.25" x 5.8" x 1.15")
Weight
224 g (8 oz)
10 years
Limited Warranty
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Appendix B - Upgrading the Modem’s Firmware
Appendix B - Upgrading the
Modem’s Firmware
Your modem is controlled by semi-permanent software, called firmware, which is stored in flash memory.
Firmware is nonvolatile; that is, it remains stored in memory when the modem is turned off. However, it can
be changed by either the manufacturer or the user as bugs are fixed or new features are added.
Since the firmware in your modem is stored in flash memory, you can upgrade it yourself in a few minutes by
using the following procedures.
Upgrade Overview
The upgrade procedure consists of the following steps, which are described in greater detail in the following
sections.
1. Identify the model number and firmware version of your modem.
2. Identify the current version of the firmware at the Multi-Tech Web site or BBS. If your modem
already has the current firmware, there is no need to update it.
3. Download the upgrade file and the appropriate Flash Wizard for your modem.
4. Install the Flash Wizard and extract the firmware .HEX file from the file you downloaded.
5. Document and clear your stored parameters.
6. Upgrade the modem’s firmware using the .HEX file and the Flash Wizard.
7. Restore your parameters.
Step 1: Identify the Modem Firmware
You must know the model number and firmware version of your Multi-Tech modem to know whether or not
you should update it.
1. Run your favorite terminal program. If you are using Windows 95 or above, you can use
Windows HyperTerminal.
2. In the program’s terminal window, type AT&F. Even if you cannot see the AT&F command on
your screen, be sure to type it completely, and then press ENTER. If the modem does not
respond with OK, repeat the AT&F command.
3. Now type ATI, press ENTER, and record your results. The model number and firmware version
should appear similar to that shown below.
LT V.92 1.0 MT5634ZBA-V-V92 Serial Voice/Data/Fax Modem Version 1.25k
Step 2: Identify the Current Firmware Version
Identify the current version of the firmware at the Multi-Tech Web site. If your modem already has the current
firmware, there is no need to update it.
1. Using your favorite Web browser, go to
2. Scroll down to your modem model number.
3. Look at the firmware version number for your modem.
4. If the firmware version number matches the firmware version number found in “Step 1: Identify
the Modem Firmware,” you have the current firmware version and do not need to be update.
5. If the firmware version number is greater than the firmware version number found in “Step 1:
Identify the Modem Firmware,” your modem has an older firmware version. Continue with
“Step 3: Download the Upgrade File.”
Warning: The first digit of the new firmware must match the first digit of the old firmware, or the
modem may not work properly. E.g., if your current firmware version is 4.16, replace it only with 4.xx
firmware, not 6.xx firmware.
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Appendix B - Upgrading the Modem’s Firmware
Step 3: Download the Upgrade File
1. If you are not already at the MultiModemZBA Firmware page of the Multi-Tech Web site, follow
the procedure in “Step 2: Identify the Current Firmware.”
2. Download the upgrade file for your modem by clicking its name, and save the file in a
temporary folder on your hard disk.
3. In the same section of the Web page, click the Flash Wizard utility for your operating system to
download it, and save it in the same folder.
Step 4: Extract the Upgrade Files
1. Install the Flash Wizard utility by double-clicking the file name in Windows Explorer.
2. Extract the upgrade files by double-clicking the file name. The extracted files include a .HEX
file, which contains the upgrade data, and a Readme file.
3. Copy the upgrade .HEX file into the Flash Wizard folder, which, in a default installation, is at
C:\Program Files\MultiTech Systems\Flash Wizard\.
Step 5: Clear Your Stored Parameters
Before you flash your modem, you should record the parameters that are currently stored in it, so you can
reprogram it after flashing. After you have recorded them, send the AT&W1Z command to the modem to
clear the stored parameters.
1. Run your favorite terminal program. If you are using Windows 95 or above, you can use
Windows HyperTerminal.
2. In the program’s terminal window, type AT&V and press ENTER to list your modem’s current
parameters.
3. Record your parameters by saving the screens and sending them to your printer.
4. Type AT&W1Z and press ENTER to clear your stored parameters and reset your modem to
factory default.
5. Close the terminal program.
Step 6: Upgrade the Modem’s Firmware
Before you begin the following procedure, read the README.TXT file extracted from the upgrade archive
file. Note the file name for the new firmware (example: ARQG125A.HEX).
WARNING: Never install an older version of firmware over a newer version. Doing this WILL DESTROY THE
FLASH PROM! If the flash PROM is destroyed, the modem must be sent in for repair.
1. Run Flash Wizard by double-clicking its icon or file name, or by selecting it from the Start
menu. The Identifying Devices dialog box is displayed as Flash Wizard locates and identifies
the devices connected to your system.
Note: If the message ERROR: No valid devices detected is displayed, verify that the modem is
turned on and that all cables are correctly and securely attached.
2. Click the modem to be upgraded, and then click Next to proceed.
3. Select the port to be upgraded from the Port list, select the appropriate .HEX file from the Hex
File list, and then click Next to continue.
Note: Do not use FLASHLDR.HEX. This file is used internally by Flash Wizard.
4. The Progress dialog box appears, showing a status bar that indicates the progress of the
upgrade.
Caution: Any disruption of the program during this stage of the upgrade can cause your
modem to become inoperable. Wait for the Next button to become active before proceeding.
5. When the flash upgrade is complete, the message Programming Complete appears. Click
Next to continue.
6. The Results dialog box appears next. Click Finish to exit Flash Wizard.
Step 7: Restore Your Parameters
Your modem has been updated. You can now open your terminal program to reprogram your modem
parameters or to confirm the update by typing ATI in the terminal window and pressing ENTER.
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Appendix C - Regulatory Compliance
Appendix C - Regulatory
Compliance
FCC Part 15 Regulation
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to
Part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful
interference in a residential installation. This equipment generates, uses, and can radiate radio frequency
energy, and if not installed and used in accordance with the instructions, may cause harmful interference to
radio communications. However, there is no guarantee that interference will not occur in a particular
installation. If this equipment does cause harmful interference to radio or television reception, which can be
determined by turning the equipment off and on, the user is encouraged to try to correct the interference by
one or more of the following measures:
S
S
S
S
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Plug the equipment into an outlet on a circuit different from that to which the receiver is connected.
Consult the dealer or an experienced radio/TV technician for help.
This device complies with Part 15 of the FCC rules. Operation of this device is subject to the following
conditions: (1) This device may not cause harmful interference, and (2) this device must accept any
interference that may cause undesired operation.
WARNING – Changes or modifications to this unit not expressly approved by the party responsible for compliance
could void the user’s authority to operate the equipment.
Industry Canada
This Class B digital apparatus meets all requirements of the Canadian Interference-Causing Equipment
Regulations.
Cet appareil numérique de la classe B respecte toutes les exigences du Reglement Canadien sur le matériel
brouilleur.
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Appendix C - Regulatory Compliance
FCC Part 68 Telecom
1. This equipment complies with Part 68 of the Federal Communications Commission Rules. On the
outside surface of this equipment is a label that contains, among other information, the FCC registration
number. This information must be provided to the telephone company.
2. The suitable USOC jack (Universal Service Order Code connecting arrangement) for this equipment is
shown below. If applicable, the facility interface codes (FIC) and service order codes (SOC) are shown.
3. An FCC-compliant telephone cord and modular plug is provided with this equipment. This equipment is
designed to be connected to the telephone network or premises wiring using a compatible modular jack
that is Part 68 compliant.
4. The ringer equivalence number (REN) is used to determine the number of devices that may be
connected to the telephone line. Excessive RENs on the telephone line may result in the device not
ringing in response to an incoming call. In most, but not all, areas the sum of the RENs should not
exceed 5.0. To be certain of the number of devices that may be connected to the line, as determined by
the total RENs, contact the local telephone company.
5. If this equipment causes harm to the telephone network, the telephone company will notify you in
advance that temporary discontinuance of service may be required. But if advance notice is not practical,
the telephone company will notify you as soon as possible. Also, you will be advised of your right to file a
complaint with the FCC if you believe it is necessary.
6. The telephone company may make changes in its facilities, equipment, operations, or procedures that
could affect the operation of the equipment. If this happens, the telephone company will provide advance
notice in order for you to make necessary modifications in order to maintain uninterrupted service.
7. If trouble is experienced with this equipment (the model of which is indicated below) please contact Multi-
Tech Systems, Inc. at the address shown below for details of how to have repairs made. If the trouble is
causing harm to the telephone network, the telephone company may request you remove the equipment
from the network until the problem is resolved.
8. No repairs are to be made by you. Repairs are to be made only by Multi-Tech Systems or its licensees.
Unauthorized repairs void registration and warranty.
9. This equipment should not be used on party lines or coin lines.
10. If so required, this equipment is hearing aid compatible.
11. Manufacturer:
Trade Name:
Multi-Tech Systems, Inc.
MultiModemZBA
Model Number:
MT5634ZBA
FCC Registration No:
Ringer Equivalence:
Modular Jack (USOC):
AU7USA-24713-M5-E
0.3B
RJ11C or RJ11W (single line)
Service Center in USA:
Multi-Tech Systems, Inc.
2205 Woodale Drive:
Mounds View, MN 55112
U.S.A.
(763) 785-3500
(763) 785-9874 Fax
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Appendix C - Regulatory Compliance
Fax Branding Statement
The Telephone Consumer Protection Act of 1991 makes it unlawful for any person to use a computer or
other electronic device, including fax machines, to send any message unless such message clearly contains
the following information:
S Date and time the message is sent
S Identification of the business or other entity, or other individual sending the message
S Telephone number of the sending machine or such business, other entity, or individual
This information is to appear in a margin at the top or bottom of each transmitted page or on the first page of
the transmission. (Adding this information in the margin is referred to as fax branding.)
Since any number of fax software packages can be used with this product, the user must refer to the fax
software manual for setup details. Typically the fax branding information must be entered via the configuration
menu of the software.
Canadian Limitations Notice
Notice: The ringer equivalence number (REN) assigned to each terminal device provides an indication of the
maximum number of terminals allowed to be connected to a telephone interface. The termination on an
interface may consist of any combination of devices subject only to the requirement that the sum of the ringer
equivalence numbers of all the devices does not exceed 5.
Notice: The Industry Canada label identifies certified equipment. This certification means that the equipment
meets certain telecommunications network protective, operational, and safety requirements. The Industry
Canada label does not guarantee the equipment will operate to the user’s satisfaction.
Before installing this equipment, users should ensure that it is permissible to be connected to the facilities of
the local telecommunications company. The equipment must also be installed using an acceptable method of
connection. The customer should be aware that compliance with the above conditions may not prevent
degradation of service in some situations. Repairs to certified equipment should be made by an authorized
Canadian maintenance facility designated by the supplier. Any repairs or alterations made by the user to this
equipment or equipment malfunctions may give the telecommunications company cause to request the user
to disconnect the equipment.
Users should ensure for their own protection that the electrical ground connections of the power utility,
telephone lines and internal metallic water pipe system, if present, are connected together. This precaution
may be particularly important in rural areas.
Caution: Users should not attempt to make such connections themselves, but should contact the appropriate
electric inspection authority, or electrician, as appropriate.
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Appendix C - Regulatory Compliance
International Modem Restrictions
Some dialing and answering defaults and restrictions may vary for international modems. Changing settings
may cause a modem to become non-compliant with national telecom requirements in specific countries. Also
note that some software packages may have features or lack restrictions that may cause the modem to
become non-compliant.
EMC, Safety and R&TTE Directive Compliance
The CE mark is affixed to this product to confirm compliance with the following European Community
Directives:
Council Directive 89/336/EEC of 3 May 1989 on the approximation of the laws of Member States relating to
electromagnetic compatibility.
and
Council Directive 73/23/EEC of 19 February 1973 on the harmonization of the laws of Member States
relating to electrical equipment designed for use within certain voltage limits:
and
Council Directive 1999/5/EC of 9 March 1999 on radio equipment and telecommunications terminal
equipment and the mutual recognition of their conformity.
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Appendix C - Regulatory Compliance
New Zealand Telecom Warning Notice
1. The grant of a Telepermit for any item of terminal equipment indicates only that Telecom has accepted
that the item complies with minimum conditions for connection to its network. It indicates no
endorsement of the product by Telecom, nor does it provide any sort of warranty. Above all, it provides
no assurance that any item will work correctly in all respects with another item of Telepermitted
equipment of a different make or model, nor does it imply that any product is compatible with all of
Telecom’s network services.
This equipment is not capable under all operating conditions of correct operation at the higher speed
which it is designated. 33.6 kbps and 56 kbps connections are likely to be restricted to lower bit rates
when connected to some PSTN implementations. Telecom will accept no responsibility should difficulties
arise in such circumstances.
2. Immediately disconnect this equipment should it become physically damaged, and arrange for its
disposal or repair.
3. This modem shall not be used in any manner, which could constitute a nuisance to other Telecom
customers.
4. This device is equipped with pulse dialing, while the Telecom standard is DTMF tone dialing. There is no
guarantee that Telecom lines will always continue to support pulse dialing.
Use of pulse dialing, when this equipment is connected to the same line as other equipment, may give
rise to ‘bell tinkle’ or noise and may also cause a false answer condition. Should such problems occur,
the user should not contact the Telecom Faults Service.
The preferred method of dialing is to use DTMF tones, as this is faster than pulse (decadic) dialing and is
readily available on almost all New Zealand telephone exchanges.
11. Warning Notice: No ‘111’ or other calls can be made from this device during a mains power failure.
12. This equipment may not provide for the effective hand-over of a call to another device connected to the
same line.
13. Some parameters required for compliance with Telecom’s Telepermit requirements are dependent on
the equipment (PC) associated with this device. The associated equipment shall be set to operate within
the following limits for compliance with Telecom’s Specifications:
For repeat calls to the same number:
S There shall be no more than 10 call attempts to the same number within any 30-minute period for
any single manual call initiation, and
S The equipment shall go on-hook for a period of not less than 30 seconds between the end of one
attempt and the beginning of the next attempt.
For automatic calls to different numbers:
S The equipment shall be set to ensure that automatic calls to different numbers are spaced such
that there is no less than 5 seconds between the end of one call attempt and the beginning of
another.
For automatically answered incoming calls:
S The equipment shall be set to ensure that calls are answered between 3 and 30 seconds of
receipt of ringing.
14. For correct operation, total of the RN’s of all devices connected to a single line at any time should not
exceed 5.
South African Statement
This modem must be used in conjunction with an approved surge protection device.
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Appendix D - Installing a Modem Under Linux
Appendix D - Installing a Modem
Under Linux
This appendix explains how to install a modem on a computer operating under the Red Hat Linux 6.2
operating system. Other versions of Red Hat and other Linux operating systems should be similar. Briefly, in
Linux, you do not need drivers for most standard external modems and most internal ISA bus modems.
Programs in Linux commonly call upon the port, rather than the modem.
Standard Linux Serial Port Definitions
PC port
Com1
Com2
Com3
Com4
Linux port
ttyS0
ttyS1
ttyS2
ttyS3
Installation
Connect the external modem to an available serial port.
Setup
This section describes how to make sure Linux can talk to the modem and be able to dial up the Internet.
Linux can use different programs and desktops depending on who made the Linux operating system and
what version it is. The following procedures use the most commonly installed components of Red Hat 6.2.
More information can be found in your Linux OS owner’s manual.
Using the Terminal Program Minicom to Verify Operation
1. At the command prompt, type minicom –s and press ENTER.
2. Select Serial port setup and press ENTER.
3. From Serial port setup, use the A key to access Serial Device, and then press ENTER.
4. Press ESC.
5. You are now in the Minicom terminal. Type AT and press ENTER. The screen should display
OK to verify the operation. Alternately, dial a phone number to verify line operation
6. To leave Minicom, press CTRL + A, and then press Z.
7. On the help menu, press X to exit.
Using the Modem to Call the Internet
Linux allows different graphic user interfaces (GUI). In the following steps, we’ll use the Gnome
Desktop GUI and assume that your Internet Service Provider (ISP) assigns the Domain Name Service
(DNS) and Internet Protocol (IP) addresses.
1. On the Task Bar at the bottom of the screen, select the Gnome Footprint.
2. Select Internet from the menu.
3. Select Dialup Configuration Tool.
4. Select Add, and then click Next.
5. Enter the connection name and phone number, and then click Next.
6. Enter your user name and password, and then click Next.
7. Select Normal ISP if your ISP is not listed, and then click Next.
8. Click Finish.
Calling the ISP
1. On the Task Bar at the bottom of the screen, select the Gnome Footprint.
2. Select Internet from the menu.
3. Select RH PPP Dialer.
4. Select the connection name you entered in step 5 of the previous section.
5. Click OK.
Answering Calls
To use the system for answering calls, Linux requires other programs to be installed, such as Mgetty,
Mgetty+Sendfax, and others, depending on your requirements. Each vendor of Linux has more than
adequate information on installing these programs.
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Appendix E - Connecting to a Cisco Router
Appendix E - Connecting to a Cisco
Router
Connecting to a Cisco Router Console Port
The console port on the Cisco IOS® router is an asynchronous serial port configured as data
communications equipment (DCE). For Cisco 1000, 1600, 2500, 2600, and 3600 series routers, the console
port uses an RJ-45 connector.
WARNING: Do not connect the modem to the Cisco router’s auxiliary port. This procedure and document apply only
to the Cisco router’s console port.
Step 1: Configure the Modem for your Country
Configure the modem defaults to match the requirements of the country in which it will be used. For
information on how to do this, see “Step 5: Configure the Modem for your Country” in Chapter 2.
Step 2: Configure for Callback Security in Direct Connect Mode
Callback security requires a caller to give a correct password before sending data to the system. If you
do not plan to use this feature, skip to Step 3. Note: Setting the modem for callback security in direct
connect mode disables the remote configuration feature of the modem.
To Turn Direct Connect Callback Security On and Off
Callback security must be turned on to enter many callback security commands.
1. Using a terminal program such as HyperTerminal, type the command AT#Sxxxxxxxx, where
xxxxxxxx is your password (1 to 8 characters long). Press ENTER. The modem responds with
OK if the setup password is correct and ERROR if it is wrong. The default password is
MTSMODEM. If you wish to change the password, then type the command AT#S=xxxxxxxx,
where xxxxxxxx is the new password (1 to 8 characters long), and press ENTER.
2. Type one of the following commands:
S To turn on remote callback security only, type AT#CBS2 and press ENTER.
S To turn on both local and remote callback security, type AT#CBS1 and press ENTER. When
local security is turned on, you must enter the setup password before you can enter any AT
command from a local terminal except the AT, ATIn, and AT#Sxxxxxxxx commands.
3. Type AT&W0 to store the above commands to nonvolatile memory.
To Set the Parity of the Callback Security Messages
The modem’s password prompt and messages parity must match the parity of the computer to which
the modem is connected.
1. The default parity setting for your modem is no parity (AT#CBP0). To change the modem’s
prompt messages to use even parity, type AT#CBP2 and press ENTER. For odd parity, type
AT#CBP1 and press ENTER.
2. To store the new parity value, type AT&W and press ENTER.
To Assign Callback Passwords
1. To store a callback password for the first callback memory location, type
AT#CBN0=xxxxxxxx, where xxxxxxxx is the first password. Press ENTER. The password
must be unique, must be 6 to 10 characters in length, and must not contain a + or - character.
2. To store a callback password for the second callback memory location, type
AT#CBN1=xxxxxxxx, where xxxxxxxx is the second password, and press ENTER. Note that
the memory location number in the command is incremented by one.
3. Repeat as many times as necessary until all passwords have been entered.
4. To review your entries, type AT&V and press ENTER.
5. To set the modem for direct connect mode, type AT%H1 and press ENTER.
To Call a Modem Configured for Callback Security
1. Using a terminal program and an originating modem, dial the number of the modem connected
to the Cisco router, which we will call the “remote modem.”
2. When connection is established, the remote modem responds: Password>
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Appendix E - Connecting to a Cisco Router
3. Type a direct connection password, and press ENTER. You have three attempts or one minute
to enter a valid password.
4. If the password is valid, the message OK Connecting appears and the modems establish a
working connection.
Step 3: Console Port Final Setup
Send the following command string to the modem connected to the console port of the Cisco router:
AT%R1&W0
The %R1 command sets E0, Q1, &D0, &K0, $SB9600, and %S1, and the &W0 command stores the
commands to memory. The %R1 command sets the following functions:
E0
Q1
Turns command echo off
Turns result codes off
&D0
&K0
$SB9600
%S1
Ignores DTR from the DTE
Selects no flow control
Sets the serial baud rate to 9600 bps.
Disables command mode at all serial speeds except 115200 bps.
The modem is now configured for use on the Cisco router console port. Note that command echo and
result codes have been turned off. If it becomes necessary to send additional AT commands to the
modem after it has been so configured, there will be little feedback from the modem that it has received
and acted upon the command. Only commands such as ATI0 that request specific data from the modem
will send any data to the DTE as an indication that the modem has accepted the command. Temporarily
turning on command echo and result codes might ease reconfiguration of the modem. When the modem
is connected to the console port, turn the modem off and then on again. This will set the serial baud rate
to 9600 bps as the $SB9600 command is implemented.
Console Port Connections
To connect a personal computer to the console port, use the RJ-45-to-RJ-45 roll-over cable and either the
RJ-45-to-DB-25 female DTE adapter or the RJ-45-to-DB-9 female DTE adapter (labeled “TERMINAL”).
Cable Pin-outs and Cabling Guide
Console
(DTE)
signal
RTS
DTR
XMT
GND
GND
RCV
DSR
CTS
Modem
(DCE)
signal
RTS
DTR
XMT
GND
GND
RCV
DSR
CTS
Console port Console cable
Adapter
DB-9 pin
Adapter
DB-25 pin
RJ-45 pin
RJ-45 pin
1
2
3
4
5
6
7
8
8
7
6
5
4
3
2
1
8
6
2
5
5
3
4
7
4
20
2
7
7
3
6
5
Remote Configuration
The configuration of the modem described in Step 3 contains the core settings that allow the modem to
function properly on the console port of the Cisco router. Commands in this section may be done remotely by
calling into the MT5634ZBA attached to the console port with another modem.
Note: Setting country configuration and turning on callback security cannot be done remotely. Nor can all
commands be executed remotely if the remote modem is set for callback security; remote configuration of a
modem so configured is not recommended.
1. Establish a data connection with a remote MT5634ZBA modem.
2. Send three remote configuration escape characters followed by AT and the setup password, and
then press ENTER. Example: %%%ATMTSMODEM. You have four tries to enter the correct
password before being disconnected. If the password is correct, the remote modem may respond
with OK. Note: If the modem has previously been configured with command echo off and result
codes off, it may be difficult to determine if the remote modem is responding to commands. The ATI
command can be used for this purpose. Even with echo and result codes off, the modem will
respond with the requested ID string if it is properly receiving the command.
3. You can now send AT commands to configure the remote modem.
4. When you have finished configuring the remote modem, save the new configuration by typing
AT&W0<CR>, then type ATO<CR> to exit remote configuration. You can then break the connection
in the normal way. Note: This step is important to ensure that the connection is broken cleanly.
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Appendix F - Warranty, Service, and Technical Support
Appendix F - Warranty, Service, and
Technical Support
Warranty
Multi-Tech Systems, Inc., (hereafter “MTS”) warrants that its products will be free from defects in material or
workmanship for a period of two, five, or ten years (depending on model) from date of purchase, or if proof of
purchase is not provided, two, five, or ten years (depending on model) from date of shipment.
MTS MAKES NO OTHER WARRANTY, EXPRESS OR IMPLIED, AND ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE HEREBY DISCLAIMED.
This warranty does not apply to any products which have been damaged by lightning storms, water, or power
surges or which have been neglected, altered, abused, used for a purpose other than the one for which they
were manufactured, repaired by Customer or any party without MTS’s written authorization, or used in any
manner inconsistent with MTS’s instructions.
MTS’s entire obligation under this warranty shall be limited (at MTS’s option) to repair or replacement of any
products which prove to be defective within the warranty period or, at MTS’s option, issuance of a refund of
the purchase price. Defective products must be returned by Customer to MTS’s factory – transportation
prepaid.
MTS WILL NOT BE LIABLE FOR CONSEQUENTIAL DAMAGES, AND UNDER NO CIRCUMSTANCES
WILL ITS LIABILITY EXCEED THE PRICE FOR DEFECTIVE PRODUCTS.
Repair Procedures for U.S. and Canadian Customers
In the event that service is required, products may be shipped, freight prepaid, to our Mounds View,
Minnesota factory:
Multi-Tech Systems, Inc.
2205 Woodale Drive
Mounds View, MN 55112
Attn: Repairs, Serial # ____________
A Returned Materials Authorization (RMA) is not required. Return shipping charges (surface) will be paid by
MTS.
Please include, inside the shipping box, a description of the problem, a return shipping address (must have
street address, not P.O. Box), your telephone number, and if the product is out of warranty, a check or
purchase order for repair charges.
For out of warranty repair charges, go to www.multitech.com/documents/warranties
Extended two-year overnight replacement service agreements are available for selected products. Please
call MTS at (888) 288-5470, extension 5308 or visit our web site at
http://www.multitech.com/programs/orc/ for details on rates and coverage’s.
Please direct your questions regarding technical matters, product configuration, verification that the product
is defective, etc., to our Technical Support department at (800) 972-2439 or email [email protected].
Please direct your questions regarding repair expediting, receiving, shipping, billing, etc., to our Repair
Repairs for damages caused by lightning storms, water, power surges, incorrect installation, physical abuse,
or user-caused damages are billed on a time-plus-materials basis.
Repair Procedures for International Customers (Outside U.S.A. and
Canada)
Your original point of purchase Reseller may offer the quickest and most economical repair option for your
Multi-Tech product. You may also contact any Multi-Tech sales office for information about the nearest
distributor or other repair service for your Multi-Tech product.
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Appendix F - Warranty, Service, and Technical Support
In the event that factory service is required, products may be shipped, freight prepaid to our Mounds View,
Minnesota factory. Recommended international shipment methods are via Federal Express, UPS or DHL
courier services, or by airmail parcel post; shipments made by any other method will be refused. A Returned
Materials Authorization (RMA) is required for products shipped from outside the U.S.A. and Canada. Please
contact us for return authorization and shipping instructions on any International shipments to the U.S.A.
Please include, inside the shipping box, a description of the problem, a return shipping address (must have
street address, not P.O. Box), your telephone number, and if the product is out of warranty, a check drawn
on a U.S. bank or your company’s purchase order for repair charges. Repaired units shall be shipped freight
collect, unless other arrangements are made in advance.
Please direct your questions regarding technical matters, product configuration, verification that the product
is defective, etc., to our Technical Support department nearest you or email [email protected]. When
calling the U.S., please direct your questions regarding repair expediting, receiving, shipping, billing, etc., to
our Repair Accounting department at
Repairs for damages caused by lightning storms, water, power surges, incorrect installation, physical abuse,
or user-caused damages are billed on a time-plus-materials basis.
Repair Procedures for International Distributors
Procedures for International Distributors of Multi-Tech products are on the distributor web site.
Copyright ꢀ Multi-Tech Systems, Inc. 2001
10-Sep-01
Online Warranty Registration
If you have access to the Internet, you can register your Multi-Tech product online at
Service
U.S. and Canadian Customers
In the event that service is required, products may be shipped, freight prepaid, to our Mounds View,
Minnesota, factory:
Multi-Tech Systems, Inc.
2205 Woodale Drive
Mounds View, MN 55112
Attn: Repairs, Serial #______
A Returned Materials Authorization (RMA) is not required. Return shipping charges (surface) will be paid
by MTS. Please include inside the shipping box a description of the problem, a return shipping address
(must have street address, not P.O. Box), a telephone number, and if the product is out of warranty, a
check or purchase order for repair charges.
For out of warranty repair charges, go to http://www.multitech.com/documents/warranties.
Extended two-year overnight replacement agreements are available for selected products. Please call
MTS at 888 288-5470, extension 5308, or visit our web site at
http://www.multitech.com/PROGRAMS/orc/ for details on rates and coverages.
Please direct your questions regarding technical matters, product configuration, verification that the
product is defective, etc., to our Technical Support department at 800 972-2439 or e-mail
Please direct your questions regarding repair expediting, receiving, shipping, billing, etc., to our Repair
Repairs for damages caused by lightning storms, water, power surges, incorrect installation, physical
abuse, or user-caused damages are billed on a time-plus-materials basis.
International Customers (outside U.S.A. and Canada)
Your original point of purchase reseller may offer the quickest and most economical repair option for your
Multi-Tech product. You may also contact any Multi-Tech sales office for information about the nearest
distributor or other repair service for your Multi-Tech product:
http://www.multitech.com/COMPANY/offices/DEFAULT.ASP.
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Appendix F - Warranty, Service, and Technical Support
In the event that factory service is required, products may be shipped, freight prepaid, to our Mounds
View, Minnesota, factory. Recommended international shipment methods are via Federal Express, UPS
or DHL courier services, or by airmail parcel post; shipments made by any other method will be refused.
A Returned Materials Authorization (RMA) is required for products shipped from outside the U.S.A. and
Canada. Please contact us for return authorization and shipping instructions on any international
shipments to the U.S.A. Please include, inside the shipping box, a description of the problem, a return
shipping address (must have street address, not P.O. Box), your telephone number, and if the product is
out of warranty, a check drawn on a U.S. bank or your company’s purchase order for repair charges.
Repaired units will be shipped freight collect, unless other arrangements are made in advance.
Please direct questions regarding technical matters, product configuration, verification that the product is
defective, etc., to our Technical Support department nearest you, as listed at
calling the U.S., please direct questions regarding repair expediting, receiving, shipping, billing, etc., to
Repairs for damages caused by lightning storms, water, power surges, incorrect installation, physical
abuse, or user-caused damages are billed on a time-plus-materials basis.
International Distributors
Procedures for international distributors of Multi-Tech products are on the Distributor Web site at
Replacement Parts
SupplyNet, Inc., can supply you with replacement power supplies, cables and connectors for selected Multi-
Tech products. You can place an order with SupplyNet via mail, phone, fax or the Internet at the following
addresses:
Mail:
SupplyNet, Inc.
614 Corporate Way
Valley Cottage, NY 10989
800 826-0279
Phone:
Fax:
914 267-2420
Email:
Internet:
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Appendix F - Warranty, Service, and Technical Support
Technical Support
Multi-Tech Systems has an excellent staff of technical support personnel available to help you get the most
out of your Multi-Tech product. If you have any questions about the operation of this unit, please call 800
972-2439 (USA and Canada) or 763 785-3500 (international and local). Please have modem information
available. You can also contact Technical Support by email at the following addresses:
Country
France:
India:
U.K.:
U.S.A., Canada
Rest of world:
Email
Telephone
+(33) 1-64 61 09 81
+91 (124) 6340778
+(44) 118 959 7774
800 972-2439
+763 717-5863
Please note the status of the modem before contacting Technical Support. Status information can include the
state of the LED indicators, screen messages, diagnostic test results, problems with a specific application,
etc.
Internet Sites
Multi-Tech is a commercial provider on the Internet. Multi-Tech has a Web site at
and an ftp site at ftp://ftp.multitech.com
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Index
Index
Features Specific to V.92, 6
Features Table, 6
Firmware
A
Upgrading, 33
Assembling the Modem, 8
AT commands
&D, 14
Flash Memory, 33
Flash Wizard Upgrade Utility, 34
Front Panel, 15, 25
&F, 14
&W, 14, 19
O, 19
G
AT Commands, 18
Autoanswer, 29
Autobaud, 14
Garbage Characters, 29
Global Wizard, 13
B
I
Baud Rate, 14
Indicators, 15, 25
Initialization Strings, 14
Installation and Setup, 8
Installing the Modem Driver, 12
Internal Jumpers, 10
International Modem Restrictions, 38
Internet Addresses, 46
C
Call Waiting, 28
Callback Assignments Form, 24
Callback Security, 20
Caller ID, 14, 29
Canadian Limitations Notice, 37
Change the Internal Jumpers, 8
Changing the Dial-Up/Leased-Line Jumper, 9
Changing the Voice Jumper, 9
Configuration, Storing a, 14
Configure the Modem for Your Country, 13
Configure the Modem Using AT Commands, 13
Configure the Modem Using the Global Wizard, 13
Connect Messages, 14
J
Jumpers, 10
L
Leased Line Operation, 9
Leased-Line Operation, 16
LED Indicators, 15, 25
Line Connection, 10
Linux, 40
Connecting the Modem to the PC, 10
Connecting to a Cisco Router, 41
Connecting to the Internet, 17
Load Factory Settings command, 14
Lost Data, 29
D
M
Data Communications Software, 14
Data Terminal Ready command, 14
Default Settings, 14
Dial-up Operation, 9
Driver Installation, 12
MNP 5 Data Compression, 29
Modem Driver Installation, 12
Modem on Hold, 17
Mounting the Feet, 8
Multi-Tech Internet Sites, 46
DTE Rate, 14
DTR (Data Terminal Ready) Control command, 14, 29
N
E
New Zealand Telecom Warning Notice, 39
European Community Directives, 38
O
F
Ordering Replacement Parts, 45
Fax Branding Statement, 37
FCC Regulations, 35
Features, 5
Features Specific to V.90, 6
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Index
Speed
Sserial Port, 14
P
S-Registers, 18
S0, 14
static electricity, 8
Store Current Configuration command, 14
Surge Protector, 11
PCM Upstream, 16
PhoneTools, 14
PhoneTools Program, 16
Product List, 5
Protocols, 29
T
Q
Technical Specifications, 31
Technical Support, 46
Telephone
Connection, 10
Testing the Modem, 11
Self-Test, 25
Quick Connect, 16
R
Remote Configuration, 19
Escape Character, 19
Removing a Modem Driver from Windows, 12
Repair, 43
Troubleshooting, 25
Replacement Parts, 45
Result Codes, 18
Rings, Setting Number of, 14
RS-232 Connection, 10
U
Uninstalling a Modem from Windows, 12
Upgrading the Modem’s Firmware, 33
V
S
V.92 Mode, 16
Safety, 8
Serial Cable, 26
Serial Port, 14
Service, 44
W
South African Statement, 39
Specifications, Technical, 31
Warranty, 43
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