Multitech MT5600BA User Manual
Model MT5600BA
Model MT5600BL
Data/Fax Modem
User Guide
MultiModemII User Guide
Models MT5600BA and MT5600BL
P/N S0000129 Revision C
©1999-2001 by Multi-Tech Systems, Inc.
All rights reserved. This publication may not be reproduced, in whole or in part, without prior expressed
written permission from Multi-Tech Systems, Inc.
Multi-Tech Systems, Inc. makes no representations or warranties with respect to the contents hereof and
specifically disclaims any implied warranties of merchantability or fitness for any particular purpose.
Furthermore, Multi-Tech Systems, Inc. reserves the right to revise this publication and to make changes
in the content hereof without obligation of Multi-Tech Systems, Inc. to notify any person or organization
of such revisions or changes.
Record of Revisions
Revision Date Description
C 6/1/01 Manual revised to add the MT5600BA/BL System CD, patent numbers, new
commands, and menu options; delete BBS references and digital loopback tests;
and update phone numbers, regulatory agency statements, firmware upgrade
instructions, Web links, and modem package components list.
Trademarks
MultiModemII, Multi-Tech, and the Multi-Tech logo are trademarks of Multi-Tech Systems, Inc.
Adobe and Acrobat are trademarks of Adobe Systems Incorporated. MNP and Microcom Network
Protocol are trademarks of Microcom, Inc. K56flex is a registered trademark of Rockwell International
Corporation and Lucent Technologies Corporation. Microsoft, Windows, Windows 95, Windows NT,
and windows 2000 are either registered trademarks or trademarks of Microsoft Corporation in the
United States and/or other countries. All other brand and product names mentioned in this publication
are trademarks or registered trademarks of their respective companies.
Patents
This device is covered by one or more of the following patents: 6,031,867; 6,012,113; 6,009,082; 5,905,794;
5,864,560; 5,815,567; 5,815,503; 5,812,534; 5,809,068; 5,790,532; 5,764,628; 5,764,627; 5,754,589; D394,250;
5,724,356; 5,673,268; 5,673,257; 5,644,594; 5,628,030; 5,619,508; 5,617,423; 5,600,649; 5,592,586; 5,577,041;
5,574,725; D374,222; 5,559,793; 5,546,448; 5,546,395; 5,535,204; 5,500,859; 5,471,470; 5,463,616; 5,453,986;
5,452,289; 5,450,425; D361,764; D355,658; D355,653; D353,598; D353,144; 5,355,365; 5,309,562; 5,301,274.
Other patents pending.
Notice
Though these modems are capable of 56K bps download performance, line impairments, public telephone infrastructure and other external technological factors currently prevent maximum 56K bps
connections.
Multi-Tech Systems, Inc.
2205 Woodale Drive
Mounds View, MN 55112
U.S.A
Telephone (763) 785-3500 or (800) 328-9717
Fax (763) 785-9874
Technical Support (800) 972-2439
Internet http://www.multitech.com
ii
FCC Part 15
NOTE: 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:
• 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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MultiModemII User Guide
Chapter 1: Introduction
Introduction ............................................................................................................................. 2
Product Description................................................................................................................ 2
Features .................................................................................................................................... 2
What Is in Your Modem Package? ....................................................................................... 4
Related Manuals ..................................................................................................................... 4
Chapter 2: Installation
Introduction ............................................................................................................................. 6
What You Will Need ..............................................................................................................6
Safety Warnings ...................................................................................................................... 6
Step 1: Connect the Modem to Your System ...................................................................... 7
RS232 Connection ............................................................................................................ 7
Dialup Connection .......................................................................................................... 7
Two-Wire Leased Line Connection............................................................................... 8
Four-Wire Leased Line Connection .............................................................................. 8
Phone Connection............................................................................................................ 8
Power Connection ........................................................................................................... 8
Surge Protectors and Lightning ..................................................................................... 8
Power-On Test ................................................................................................................. 8
Step 2: Install the Modem Driver ......................................................................................... 9
Installing the ModemDriver .......................................................................................... 9
Removing an Old Modem Driver ................................................................................. 9
Step 3: Install and Configure Your Software .................................................................... 10
Contents
Chapter 3: Using the Front Panel
Introduction ........................................................................................................................... 12
Modem Configuration ......................................................................................................... 12
LED Indicators ...................................................................................................................... 12
Liquid Crystal Display (LCD) ............................................................................................. 13
Option Selection ............................................................................................................. 13
Menu Structure .............................................................................................................. 13
Menu Overview ............................................................................................................. 14
Status Trunk ............................................................................................................ 15
Basic Options Trunk ............................................................................................... 16
Advanced Options Trunk ...................................................................................... 18
Remote Configuration Options Trunk................................................................. 20
Diagnostic Options Trunk ..................................................................................... 20
Phone Number Memory Options Trunk ............................................................. 21
Caller ID Options Trunk ........................................................................................ 21
Menu Options ................................................................................................................ 22
Status ........................................................................................................................ 22
Basic Options .......................................................................................................... 23
Advanced Options ................................................................................................. 25
Remote Configuration Options ............................................................................ 27
Diagnostic Options ................................................................................................. 27
Phone Number Memory Options ........................................................................ 27
Caller ID Options ................................................................................................... 28
Chapter 4: AT Commands, S-Registers & Result Codes
Introduction ........................................................................................................................... 30
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MultiModemII User Guide
AT Commands ...................................................................................................................... 31
S-Registers.............................................................................................................................. 48
Result Codes .......................................................................................................................... 53
Chapter 5: Remote Configuration
Introduction ........................................................................................................................... 57
Basic Procedure ..................................................................................................................... 57
Setup ....................................................................................................................................... 57
Changing the Remote Configuration Password ....................................................... 57
Changing the Remote Escape Character .................................................................... 58
Chapter 6: Callback Security
Introduction ........................................................................................................................... 60
Setup Procedures .................................................................................................................. 60
Turning Callback Security On and Off ....................................................................... 60
Assigning Callback Passwords .................................................................................... 61
Assigning Callback Phone Numbers .......................................................................... 62
Calling Procedure ................................................................................................................. 63
Callback Security Commands ............................................................................................. 64
Callback Assignments Form ............................................................................................... 65
Contents
Chapter 7: Leased Line Operation
Introduction ........................................................................................................................... 67
Two-Wire Setup .................................................................................................................... 67
Four-Wire Setup .................................................................................................................... 68
Dial Backup and Leased Line Restoral .............................................................................. 69
Dial Backup and Leased Line Restoral Setup ................................................................... 69
Leased-Line Operating Distances....................................................................................... 70
Chapter 8: Solving Problems
Introduction ........................................................................................................................... 72
None of the Indicators Light ............................................................................................... 72
The Modem Does Not Respond to Commands ............................................................... 73
The Modem Cannot Connect When Dialing .................................................................... 74
The Modem Disconnects While Online ............................................................................. 75
The Modem Cannot Connect When Answering .............................................................. 76
File Transfer Is Slower Than It Should Be ......................................................................... 76
Data Is Being Lost ................................................................................................................. 77
There Are Garbage Characters on the Monitor ................................................................ 77
The Modem Doesn’t Work with Caller ID ........................................................................ 77
Fax and Data Software Can’t Run at the Same Time ...................................................... 78
Appendix A: Regulatory Compliance
FCC Part 68 Telecom ............................................................................................................ 80
Fax Branding Statement ....................................................................................................... 81
Canadian Limitations Notice .............................................................................................. 82
EMC, Safety, and R&TTE Directive Compliance ............................................................. 82
International Modem Restrictions ...................................................................................... 83
New Zealand Telecom Warning Notice ............................................................................ 83
South African Notice ............................................................................................................84
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MultiModemII User Guide
Contents
Appendix B: Technical Specifications
.................................................................................. 85
Appendix C: Loopback Tests
Introduction ........................................................................................................................... 87
Local Analog Loopback Test (V.54 Loop 3) ...................................................................... 87
Remote Digital Loopback Test (V.54 Loop 2) ................................................................... 88
Local Digital Loopback Test (V.54 Loop 2) ....................................................................... 89
Back-to-Back Test .................................................................................................................. 90
Appendix D: Warranty, Service, and Technical Support
Limited Warranty ................................................................................................................. 92
Online Warranty Registration ............................................................................................. 92
Service .................................................................................................................................... 92
North American Products ............................................................................................ 92
International Products .................................................................................................. 93
Ordering Accessories ........................................................................................................... 93
Technical Support ................................................................................................................. 94
Internet Sites .......................................................................................................................... 94
Appendix E: Upgrading the Modem
Introduction ........................................................................................................................... 95
Upgrade Overview ............................................................................................................... 95
Step 1: Identify the Modem Firmware ............................................................................... 95
Step 2: Identify the Current Firmware Version ................................................................ 96
Step 3: Download the Upgrade File ................................................................................... 96
Step 4: Extract the Upgrade Files........................................................................................ 96
Step 5: Clear Your Stored Paramenters ............................................................................. 96
Step 6: Upgrade the Modem’s Firmware .......................................................................... 97
Step 7: Restore Your Parameters ........................................................................................ 97
Appendix F: Installing a Modem Under Linux
Introduction ........................................................................................................................... 98
Standard Linux Serial Port Definitions.............................................................................. 98
Installation ............................................................................................................................. 98
Setup ....................................................................................................................................... 98
Using the Terminal Program Minicom to Verify Operation ................................... 98
Using the Modem to Call the Internet ........................................................................ 99
Calling the ISP ................................................................................................................ 99
Answering Calls ............................................................................................................ 99
Appendix G: Pin Descriptions
RS-232 Pin Descriptions ..................................................................................................... 100
RS-232 Cable Pinouts ......................................................................................................... 101
Leased Line Pinouts ........................................................................................................... 102
Appendix H: ASCII Character Map
Index
..................................................................................................................................................................... 104
.......................................................................................... 103
vi
1
Introduction
MultiModemII User Guide
Introduction
Congratulations on your purchase of the MultiModemII modem. You have acquired
one of the finest intelligent data/fax modems available today from one of the
world’s oldest modem manufacturers: Multitech Systems, Inc. This user guide will
help you install, configure, test and use your modem.
Product Description
1 Introduction
The MultiModemII MT5600BA and MT5600BL modems incorporate the K56flex
and V.90 protocols, both of which enable Internet connections at data rates up to 53K
bps* over standard telephone lines. These protocols are able to send data downstream to your computer at high speeds by taking advantage of the fact that data on the
telephone network normally is converted from digital to analog only once before it
reaches your modem. Upstream transmissions and transmissions between client modems are limited to data rates of 33.6K bps, as are downstream transmissions that
are converted more than once on the telephone network.
Both models support two-wire leased line operation. The MT5600BL model also
supports four-wire leased line operation with dial backup and automatic leased line
restoral. Please note that, because leased line operation consists of two client modems connected to each other, the maximum leased line data rate is 33.6K bps.
The MultiModemII offers interactive automatic dialing. You can store four command
lines or telephone numbers of up to 30 characters each in the modem’s nonvolatile
memory. The modem pulse- or tone-dials, and recognizes dial tones and busy signals for reliable call-progress detection. It can also detect AT&T calling card tones. It
is FCC-registered for connection to telephone networks without notification to the
telephone company.
The MultiModemII front panel includes a liquid crystal display and four buttons,
which together can be used to either display the current connection status of the modem or to configure the modem. The MultiModemII also can be configured through
standard AT commands.
™
Features
General
• Complies with major ITU-T, TIA, and EIA international standards to ensure compatibility with other modems.
• Uses DTMF and tone detection to distinguish data and fax calls when used with
software that supports these features.
• Supports serial port speeds to 230.4K bps with compatible serial ports
• Supports Caller ID (North American versions only).
• Displays status and configuration information on a front panel LCD.
*Though this modem is capable of 56K bps download performance, line impairments, public
telephone infrastructure, and other external technological factors currently prevent maximum 56K bps connections.
2
MultiModemII User Guide
Data
• Supports K56flexTM and ITU-T V.90 speeds plus 33.6K, 31.2K, 28.8K, 26.4K, 24K,
21.6K, 19.2K, 16.8K, 14.4K, 12K, 9.6K, 7.2K, 4.8K, 2.4K, 1.2K, and 0–300 bps.
Note: Under the 56K bps standards, you can asymmetrically download data from
an ISP at speeds up to 53K bps, but upload only at speeds up to 33.6K bps. Clientto-client operation, including leased line operation, is also limited to 33.6K bps.
• Supports automatic fallback to slower speeds in noisy line conditions, and fallforward to faster speeds as conditions improve.
• Supports ITU-T V.42 LAP-M and MNP Class 3 and 4 error correction.
• Supports ITU-T V.42bis (4-to-1) and MNP 5 (2-to-1) data compression.
• Supports both synchronous and asynchronous data transfer.
• Both models support two-wire leased line operation. The BL model also supports
four-wire leased line operation with dial backup and leased line restoral.
• Supports callback security and remote configuration.
• Supports AS400 applications.
1 Introduction
• Automatically disables compression when transferring already-compressed files.
• Can autodial, redial, pulse (rotary) and touch-tone dial.
• Detects dial tones and busy signals for reliable call-progress detection.
• Compatible with the standard AT command set used by most communication
programs.
• Supports the H.324 protocol (videophone ready).
• Supports Plug and Play (PnP).
• Can be flash upgraded.
Fax
• Supports V.17, Class 1, Class 2, and Group 3 fax standards, allowing it to commu-
nicate with other fax modems as well as with fax machines.
• Sends and receives faxes from your computer at 14,400 bps, 12,000 bps, 9600 bps,
7200 bps, 4800 bps, 2400 bps, or 300 bps.
3
MultiModemII User Guide
What Is in Your Modem Package?
Your modem package has several components. Make sure you have them all before
trying to operate your modem. Your package should include:
• An MT5600BA or MT5600BL modem
A power transformer
•
Country-specific telephone cordage
•
A 9-pin to 25-pin serial cable (international modem kits only)
•
A printed Quick Start Guide
•
A CD containing data communications and other programs
•
A CD containing modem drivers and this User Guide
•
If any of these items are missing, please contact Multi-Tech Systems or your dealer/distributor (see Appendix D for information on contacting Multi-Tech via telephone, fax, or
the Internet).
Related Manuals
1 Introduction
The following manuals are available from the Multi-Tech World Wide Web and FTP
sites.
82076200 MT56XX Fax Class 1 Developer’s Guide
ftp://ftp.multitech.com/manuals/pdf/developers%20kits/5600fax.pdf
82006502 Fax Class 2 Developer’s Kit
ftp://ftp.multitech.com/manuals/pdf/developers%20kits/82006502.pdf
4
2
Installation
MultiModemII User Guide
Introduction
This chapter shows you step-by-step how to set up your Multi-Tech MultiModemII,
check it out, and make your first calls.
What You Will Need
Before starting, please make sure you have everything you need:
We supply
4
An MT5600BA or MT5600BL modem
4
A power transformer
4
Country-specific telephone cordage
4
A 9-pin to 25-pin serial cable (international modem kits only)
4
A printed Quick Start Guide
4
An installation CD containing modem drivers and this User Guide
4
A CD containing data communications and other programs
2 Installation
You supply
4
A computer with an unused serial port
4
A shielded RS-232 serial cable with a male DB-25 connector on one end and a
connector to match your computer’s serial port on the other end (North America
only)
4
A nearby AC power outlet
4
A nearby telephone line jack
4
A nearby leased line jack or terminals (optional)
Safety Warnings
• Use this product only with UL- and CUL-listed computers.
• To reduce the risk of fire, use only 26 AWG 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 de-
signed for wet locations.
• Never touch uninsulated telephone wires or terminals unless the telephone line
has been disconnected at the network interface.
• Use caution when installing or modifying telephone lines.
• Avoid using a telephone (other than a cordless type) during an electrical storm;
there is a risk of electrical shock from lightning.
• Do not use a telephone in the vicinity of a gas leak.
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MultiModemII User Guide
Step 1: Connect the Modem to Your System
Turn off your computer. Placing the modem in a convenient location, connect it
to your computer’s serial port, to the telephone line, to your leased line, to AC power,
and, optionally, to your telephone.
LEASEDLINE
PHONE
VOLUME
EIA RS232C
POWER
2 Installation
Figure 2-1. MT5600BL connections.
RS232 Connection
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.
Dialup Connection
Plug one end of the modular phone cable into the modem’s LINE jack, and the other
end into a public switched telephone network (PSTN) wall jack.
Note: The LINE jack is not interchangeable with the PHONE jack. Do not plug the
phone 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.
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MultiModemII User Guide
Two-Wire Leased Line Connection
MT5600BA: Plug one end of a two-wire phone cable into the modem’s LINE jack,
and connect the other end to a leased line wall jack or terminals.
MT5600BL: Plug one end of a two-wire phone cable into the modem’s LEASED jack,
and connect the other end to a leased line wall jack or terminals.
Four-Wire Leased Line Connection
On an MT5600BL only, plug one end of a four-wire phone cable into the modem’s
LEASED jack, and connect the other end to a four-wire leased line wall jack or terminals. For dial backup operation, plug one end of the modular phone cable into the
modem’s LINE jack, and the other end into a PSTN wall jack.
Phone Connection
For voice-only calls, plug a telephone into the modem’s PHONE jack (optional).
2 Installation
Power Connection
Plug the power transformer into an AC power outlet or power strip. Plug the power
transformer’s cable into the POWER jack on the modem.
Note: Use only the power transformer supplied with the modem. Use of any other
transformer voids the warranty and can damage the modem.
Surge Protectors and Lightning
Power surges and other transient voltages on power lines, such as those caused by
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 phone 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.
Power-On Test
Test the modem by turning it on (a power switch is located on the front panel).
When you apply power, the modem performs a diagnostic self-test, indicated by the
TM indicator lighting for a few seconds, after which the LCD should light. If this
does not happen, check that the power switch is on, the power transformer is solidly connected, and the AC outlet is live. If these measures do not work, see Chapter
8, “Solving Problems.”
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MultiModemII User Guide
Step 2: Install the Modem Driver
If you use Windows 95, Windows 98, Windows Me, Windows NT 4.0, or Windows
2000, you must install the modem driver. (If you use Windows 3.1 or another operating system, skip this step and go to Step 3.)
Installing the ModemDriver
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 5, “Solving Problems.”
2. In the Install New Modem wizard, select Don’t detect my modem; I will select
it from a list, and then click Next. A dialog box with a list of manufacturers and
a list of modem models appears.
2 Installation
3. Insert the installation CD into your CD-ROM drive, and then click Have Disk.
4. In the Install from Disk dialog box, select the drive the CD is in, and then click
OK.
5. A list of modems appears. Select your modem from the list, and then click Next.
6. Select the port the modem is connected to, and then click Next.
7. Windows installs and configures the modem.
8. Click Finish to exit.
Removing an Old Modem Driver
When your new modem replaces another modem, the old modem driver remains
in Windows, and the old modem driver is still selected in HyperTerminal and other
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.
5. The next time you dial a HyperTerminal connection, it will select your new
modem and ask you to confirm the selection.
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MultiModemII User Guide
Step 3: Install and Configure Your Software
You may use either the communication program included with your modem or a
third-party program. Communication programs designed for Windows 95/98/Me
and Windows NT/2000 normally do not need to be manually configured, since they
use the Plug and Play configuration supplied by the Windows modem driver. Communication programs designed for DOS and other operating systems, however, may
need to be manually configured to work with your modem. Though each communication program is different, the following procedure should work with most of them.
1. Turn on your computer and run your communication 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. Note that the Z command must be in a command string by itself. 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
befor the modem picks up the line). Depending on the software, you might have
to end the string with a carriage return character (^M).
2 Installation
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 for a Macintosh computer that turns off autoanswer, type
AT&F&D0S0=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. Refer to the program manual or online help for other configuration choices. In
most cases you can accept the default values.
10
3
Using the
Front Panel
MultiModemII User Guide
Introduction
Like any modem, your Multi-Tech modem operates only under the control of a
communication program, such as the Phone Tools program included with the
modem. It also operates under other general-purpose data communication programs, such as Windows Terminal and HyperTerminal. For information on how to
use the modem with the communication program of your choice, please refer to the
program’s documentation.
Modem Configuration
Your modem normally is configured through Windows or through the communication program you are using. The default settings work best for most purposes. See
“Step 3: Install and Configure Your Software” in Chapter 2 for help in setting up
your communication program.
You also can configure your modem either through the front panel or by sending AT
commands to the modem. This chapter describes how to configure it using the front
panel. To configure it using AT commands, see Chapter 4.
3 Using the Front Panel
Figure 3-1. Front panel
LED Indicators
The MT5600BA/BL has six LED indicators on the front panel that indicate status
and activity:
Receive Data. The RD indicator flashes when the modem is receiving data.
Transmit Data. The TD indicator flashes when the modem is transmitting
data.
Carrier Detect. The CD indicator 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.
Off-Hook. The OH indicator lights when the modem is off-hook, which occurs
when the modem is dialing, online, or answering a call. The LED flashes when
the modem pulse-dials.
12
MultiModemII User Guide
Terminal Ready. The TR indicator lights when a communication program is
using the modem. It means the modem is ready for an outgoing or incoming
call. It goes off when the communication program disconnects the serial port.
When it goes off, a connected modem will disconnect.
Test Mode. The TM indicator lights when the modem is in test mode.
Liquid Crystal Display (LCD)
The MultiModemII’s backlit liquid crystal display (LCD) has two functions: to display the current status of the modem and to display configuration menus, which are
selected using the four pushbuttons on the front panel.
Option Selection
To select most configuration options, simply display the option in the LCD, and then
press the Enter button to select it. An OPTION SET message appears to confirm the
selection. To exit the OPTION SET message, press any button.
3 Using the Front Panel
Some options, such as password options and phone number options, require you to
enter a character string. To select a character, press the áß and â buttons. To go to
the next character position, press the à button. To backspace, press the à button
before selecting a character. To exit without saving, press the à button several
times. To save a character string, press the Enter button.
Menu Structure
The LCD menus have a tree structure with multiple trunks, limbs, branches, and
twigs. For a schematic view, refer to the menu map on the next page.
Trunks are the major divisions of the menu tree. There are seven trunks: Status, Basic Options, Advanced Options, Remote Configuration, Diagnostics, Phone Number
Memory, and Caller ID. Use the áß and â buttons to move between trunks.
Limbs are subdivisions of trunks. Use the à button to move from a trunk onto its
first limb, and the áß and â buttons to move between limbs on the trunk.
Branches are subdivisions of limbs. Use the à button to move from a limb onto its
first branch, and the áß and â buttons to move between branches on the limb.
Twigs are status screens and options that are accessible only from branches. Use the
à button to move from a branch to its first status screen or option; then press the áß
and à buttons to move between options, and press the Enter button to select an option.
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MultiModemII User Guide
Menu Overview
Trunks Limbs Branches Twigs
3 Using the Front Panel
Manual selection
Automatic selection
14
MultiModemII User Guide
Status Trunk
The Status Trunk shows the current operating status of the modem. Limb changes
are automatic, but certain options can be accessed by pressing the à button. Note
that when the modem is online, pressing the à button shows the connect status, including the data speed, connection type, and compression type.
3 Using the Front Panel
Limbs Twigs
Manual selection
Automatic selection
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MultiModemII User Guide
Basic Options Trunk
Use the Basic Options Trunk to configure the modem’s basic operating conditions.
When entering a number, use the áß and â buttons to scroll through a list of digits
and characters. To go to the next position, press the à button. To back up or to exit
without dialing, press the à button several times.
Limbs Branches Twigs
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MultiModemII User Guide
Basic Options Trunk, continued
Limbs Branches Twigs
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MultiModemII User Guide
Advanced Options Trunk
Use the Advanced Options Trunk to configure RS-232, dial backup, and callback security options. When entering a number or password, use the áß and â buttons to
select a character or digit. To go to the next position, press the à button. To backspace or to exit, press the à button several times.
Limbs Branches Twigs
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MultiModemII User Guide
Advanced Options Trunk, continued
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MultiModemII User Guide
Remote Configuration Options Trunk
Use the Remote Configuration Options Trunk to enable or disable remote configuration on the modem, and to change the password. When entering the password, use
the áß and â buttons to scroll through the alphabet. To go to the next character
position, press the à button. To backspace or to exit, press the à button several
times.
Limb Branches Twigs
3 Using the Front Panel
Diagnostic Options Trunk
Use the Diagnostic Options Trunk to run loopback tests on the modem. When a test
is in progress, the TM indicator lights.
Limb Branches Twigs
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MultiModemII User Guide
Phone Number Memory Options Trunk
The MultiModemII can store up to four telephone numbers for speed dialing. Use
the Phone Number Memory Options Trunk to store, list, and dial these numbers.
When entering a number, use the áß and â buttons to scroll through the available
digits and dialing commands. To go to the next position, press the à button. To
backspace or to exit, press the à button several times.
Limb Branches Twigs
3 Using the Front Panel
Caller ID Options Trunk
Use the Caller ID Options Trunk to enable or disable Caller ID operation.
Limb Branches Twigs
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MultiModemII User Guide
Menu Options
This section describes important LCD screens and options. Many, but by no means
all, of the options have AT command equivalents.
Status
Status screens display the current status of the modem. Though limb changes are
automatic, certain options can be selected by pressing the à button.
STATUS = IDLE. The modem is ready but inactive. This screen appears when the
modem is first turned on, and is the starting point for accessing all other screens.
Three options are available from this screen by pressing the à button:
3 Using the Front Panel
MANUAL ORIG.? Places the modem in originate mode for the
time specified by register S7. Use this option to connect to a
remote modem by manually dialing the number on a phone
connected to the local modem. When the remote modem answers,
press the Enter button to establish a connection with the remote
modem. You can also use this option to temporarily place the
modem in originate mode for back-to-back testing.
MANUAL ANSWER? Places the modem in answer mode for the
time specified by register S7. You can use this option to temporarily place the modem in answer mode for back-to-back testing.
BUSY OUT MODEM? Takes the modem out of service by putting it into an off-hook state so that a calling modem receives a
busy signal.
MODEM BUSIED OUT. Shows that the modem is busied out.
To return the modem to normal service, press à, Enter.
STATUS = ONLINE. The modem is connected to another modem. Two options are
available from this screen by pressing the à button:
Connect Status. Shows the connect speed, connection type, and
error correction being used.
DISCONNECT? Press the Enter button to force the modem to
hang up. Same as the ATH command.
RINGING. A remote modem or caller is attempting to establish a connection. One
option is available from this screen by pressing the à button:
MANUAL ANSWER? Forces the modem to answer the phone.
You can use this option to establish a connection if autoanswer
is turned off (S0=0). Same as the ATA command.
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MultiModemII User Guide
Basic Options
The following screens are used to configure the modem’s basic operating conditions.
ONLINE OPTIONS. The following screens are used to configure the online operation of the modem:
DIALING OPTIONS. The following screens are used to configure dialing options
or to dial manually.
3 Using the Front Panel
LINE TYPE OPTIONS. Use the à and Enter buttons to select
from the following line types: dial-up (PSTN), two-wire leased
line originate or answer, and four-wire leased line originate or
answer.
ERROR CORRECTION OPTIONS. Use the à and Enter buttons to turn error correction on or off, or to select automatic error correction. Same as the &E0, &E1, and &E2 commands.
FLOW CONTROL OPTIONS. Use the à and Enter buttons to
select no flow control, hardware flow control, or software flow
control. Same as the &E3, &E4, and &E5 commands.
TONE/PULSE. Use the à and Enter buttons to select between
DTMF tone dialing and pulse dialing. Same as the T and P com-
mands.
BLIND/SMART DIAL OPTIONS. Use the à and Enter buttons
to select blind dialing, in which the modem sends the OK, CON-
NECT, RING, NO CARRIER, ERROR and NO ANSWER messages to the computer and does not look for a dial tone or busy
signal, or smart dialing, in which the modem sends all messages
to the computer, including NO DIALTONE and BUSY. Same as
the X0 and X4 commands.
DIAL NUMBER. Use the front panel buttons to enter a phone
number and dial it. To scroll through a list of digits and characters, press the áß and â buttons. To go to the next position,
press the à button. To back up or to exit without dialing, press
the à button several times. To dial the number, press the Enter
button. Same as the D command.
DTR DIALING. Use the à and Enter buttons to enable or disable DTR dialing. DTR dialing is popular in synchronous applications. In DTR dialing, the modem automatically dials the
number stored in memory location 0 when it detects a high DTR
(Data Terminal Ready) signal on the RS-232 interface. The DTR
signal must remain high for the duration of the call. To store the
DTR dialing number, use the &Z0= command or the ENTER
PHONE #0 menu option.
Note: Plug and Play does not function if DTR dialing is enabled.
DTR is used during Plug and Play, and DTR dialing interferes
with it.
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MultiModemII User Guide
COMMAND MODE OPTIONS. The following screens are used to configure result
code responses.
SYNC/ASYNC OPTIONS. Use the à and Enter buttons to select the method of
data transmission.
3 Using the Front Panel
ENABLE/DISABLE RESPONSE. Use the à and Enter buttons
to enable or disable the sending of result codes to the computer.
Same as the Q0 and Q1 commands.
VERBOSE/TERSE RESPONSE. Use the à and Enter buttons
to select verbose or terse result codes. Same as the V0 and V1
commands.
ENABLE/DISABLE CMD MODE. Use the à and Enter buttons
to enable or disable the modem’s ability to accept AT commands .
ASYNC, NORM? Normal asynchronous transmission using the
AT command set.
ASYNC, V.25bis? Asynchronous transmission using the V.25bis
command set.
SYNC, NORM? Normal synchronous transmission using any
command set.
V.25bis HDLC NRZ? V.25bis synchronous transmission using
NRZ encoding. Not implemented.
V.25bis HDLC NRZI? V.25bis synchronous transmission using
NRZI encoding. Not implemented.
V.25bis BISYNC? V.25bis bisynchronous transmission. Not
implemented.
RESET FACTORY DEFAULTS. Use the à and Enter buttons to reset Profile 0 and
the modem’s active configuration to the factory defaults. Same as the AT&F&W
command string.
CONNECT RATE OPTIONS. Use the à and Enter buttons to change the modem’s
serial port and data transmission speeds.
SERIAL BAUD RATE. Use the à and Enter buttons to select
the modem’s serial port speed. The valid range is 1200 to 115200
bps. Same as the $SB commands.
MODEM SPEED. Use the à and Enter buttons to select the
modulation protocol to use in originating or answering a
connection. This also selects the maximum transmission speed
at which the modem can operate. Same as the +MS=[mod]
command.
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