Multi-Tech MT5600BA User Manual
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Multi-Tech MT5600BA User Manual

Data/fax modem
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  • Page 1 Model MT5600BA Model MT5600BL Data/Fax Modem User Guide...
  • Page 2 MultiModemII User Guide Models MT5600BA and MT5600BL P/N 88302601 Revision B (7/9/99) ©1999 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.
  • Page 3 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 equip- ment 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.

  • Page 4: Table Of Contents

    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: Quick Start Introduction ..........................6 What You Will Need ......................6 We supply .........................
  • Page 5 Contents Status ........................26 Basic Options ......................27 Advanced Options ....................28 Remote Configuration Options ................29 Diagnostic Options ....................30 Phone Number Memory Options ................ 30 Caller ID Options ....................30 Chapter 4: AT Commands, S-Registers & Result Codes Introduction ...........................
  • Page 6 MultiModemII User Guide Appendix A: Regulatory Compliance FCC Part 68 Telecom ......................84 Fax Branding Statement ....................... 85 Canadian Limitations Notice ....................86 International Modem Restrictions ..................86 Commission Decision CTR21 ....................86 EMC, Safety, and Terminal Directive Compliance ............87 New Zealand Telecom Warning Notice ................
  • Page 7 Contents Appendix G: ASCII Character Map ..................106 Index ..................................107...
  • Page 8 MultiModemII User Guide viii...

  • Page 9: Chapter 1: Introduction

    Introduction...

  • Page 10: 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.
  • Page 11 1 Introduction Data • Supports K56flex 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.

  • Page 12: What Is In Your Modem Package

    Your package should include: • An MT5600BA or MT5600 BL modem A wall mount transformer • One (MT5600BA) or three (MT5600BL) modular telephone cables • A printed Quick Start Guide • This User Guide on disk •...

  • Page 13: Chapter 2: Quick Start

    Quick Start...

  • Page 14: Introduction

    Before starting, please make sure you have everything you need: We supply An MT5600BA or MT5600 BL modem A wall mount transformer One (MT5600BA) or three (MT5600BL) modular telephone cables Trio communications software A Quick Start Guide This User Guide on disk...

  • Page 15: Step 1: Connect The Modem To Your System

    2 Quick Start 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.

  • Page 16: Two-Wire Leased Line Connection

    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.

  • Page 17: Step 2: Install The Modem In Windows

    2 Quick Start Step 2: Install the Modem in Windows If you are using Windows 95, Windows 98, Windows NT 4.0, or Windows 2000, you must install the modem in the operating system. (If you are using another operat- ing system, such as DOS or Windows 3.x, skip this step and go to step 3.) Adding the Modem to Windows 1.

  • Page 18: Step 3: Install And Configure Your Software

    MultiModemII User Guide 5. The next time you dial a HyperTerminal connection, it will select your new modem and ask you to confirm the selection. Step 3: Install and Configure Your Software Your Multi-Tech modem is controlled by communication software installed on your computer.

  • Page 19: Step 4: Call The Multi-Tech Bbs

    2 Quick Start To see what UART your serial port uses if you have Windows 3.1x, in Program Manager select File | Run, type MSD, and press E . Select COM Ports to see NTER the UART type. If you have Windows 95 or 98, select Start | Settings | Control Panel, and double-click on the Modems icon.

  • Page 20: Windows Hyperterminal

    MultiModemII User Guide 12. Press E until the main menu appears. From the main menu you have access to NTER two areas: the File Menu and News. For help with menu commands, type ?. 13. In the Main Menu, type F and press E to access the File Menu, then type D NTER and press E...

  • Page 21: Windows Terminal

    Baud rate to 19200; Flow control to Hardware; and Carrier Detect to checked. Modem Commands: Select MultiTech. If you must dial 9 to get an outside line, type ATDT9, in the Dial prefix box (include the comma). 3. Click File, then click Save, and save as multibbs.trm.

  • Page 22: Step 5: Send A Fax

    MultiModemII User Guide 12. To log off the BBS, press E , type G for “good-bye,” and then press E NTER NTER twice again. Step 5: Send a Fax To test your modem’s fax capabilities, send the completed registration file that you downloaded in “Step 4: Call the Multi-Tech BBS”...

  • Page 23: References

    7. Click Add to list, then click Next. 8. Pick a cover page, then click Next. 9. Type a subject line (e.g., MT5600BA registration) and a note to go on the cover page, then click Next. 10. Click Add file. In the Open a file to attach dialog box, select the registration file and click Open.
  • Page 24 MultiModemII User Guide...

  • Page 25: Chapter 3: Using The Front Panel

    Using the Front Panel...

  • Page 26: Introduction

    To configure it using AT commands, see Chapter 4. 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.

  • Page 27: Liquid Crystal Display (Lcd)

    3 Using the Front Panel 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.

  • Page 28: Menu Overview

    MultiModemII User Guide Menu Overview Trunks Limbs Branches Twigs...

  • Page 29: Status Trunk

    3 Using the Front Panel 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, in- cluding the data speed, connection type, and compression type.

  • Page 30: Basic Options Trunk

    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 á ß 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...

  • Page 31: Advanced Options Trunk

    3 Using the Front Panel Advanced Options Trunk Use the Advanced Options Trunk to configure RS-232, dial backup, and callback se- curity options. When entering a number or password, use the á ß and â buttons to select a character or digit. To go to the next position, press the à button. To back- space or to exit, press the à...

  • Page 32: Remote Configuration Options Trunk

    MultiModemII User Guide Remote Configuration Options Trunk Use the Remote Configuration Options Trunk to enable or disable remote configura- tion on the modem, and to change the password. When entering the password, use the á ß and â buttons to scroll through the alphabet. To go to the next character po- sition, press the à...

  • Page 33: Phone Number Memory Options Trunk

    3 Using the Front Panel 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 á ß and â buttons to scroll through the available digits and dialing commands.

  • Page 34: Menu Options

    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...

  • Page 35: Basic Options

    3 Using the Front Panel 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 opera- tion of the modem: 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.

  • Page 36: Advanced Options

    MultiModemII User Guide COMMAND MODE OPTIONS. The following screens are used to configure result code responses. 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.

  • Page 37: Remote Configuration Options

    3 Using the Front Panel DIALBACKUP/LL OPTIONS. The following screens are used to configure dial backup for four-wire leased line operation. For more information, see Chapter 7, “Leased Line Operation.” DIAL BACKUP NUMBER. Use to enter a dial backup number. To scroll through a list of digits and characters, press the á...

  • Page 38: Diagnostic Options

    MultiModemII User Guide Diagnostic Options Use the following screens to turn loopback tests on and off. For information about how to apply these tests, see Appendix C, “Loopback Tests.” ANALOG LOOPBACK. Press the à and Enter buttons to start the analog loopback test. The TEST IN PROGRESS screen appears.

  • Page 39: Chapter 4: At Commands, S-Registers & Result Codes

    AT Commands, S-Registers & Result Codes...

  • Page 40: Introduction

    MultiModemII User Guide Introduction AT commands are used to control the operation of your modem. They are so called because each command must be preceded by the characters AT to get the ATtention of the modem. AT commands can be issued only when the modem is in command mode or online command mode.

  • Page 41: At Commands

    4 AT Commands, S-Registers, and Result Codes AT Commands Command: Attention Code Values: Description: The attention code precedes all command lines except A/ and the escape sequence. Command: NTER Values: Description: Press the E or R key to execute most commands. NTER ETURN Command:...
  • Page 42 = 0–6 Default: None Description: Display the product code. Example: MT5600BA. Calculate the ROM checksum and display the least significant byte in decimal format. Calculate the ROM checksum and compare it to the prestored checksum, displaying OK if they match, or ERROR if they do not.
  • Page 43 4 AT Commands, S-Registers, and Result Codes Command: Monitor Speaker Volume Values: n = 0, 1, 2, or 3 Default: Description: Select low volume. Select low volume. Select medium volume. Select high volume. Command: Monitor Speaker Mode Values: n = 0, 1, 2, or 3 Default: Description: Speaker is always off.
  • Page 44 MultiModemII User Guide Command: Select Register Values: r = S-register number Default: None Description: Selects register Sr as the last register accessed. E.g., S0. The command AT? can then be used to read the register, and the command AT=n can then be used to set the register to value n. Command: S r = n Set Register Value Values:...
  • Page 45 4 AT Commands, S-Registers, and Result Codes Command: Result Code Selection Values: n = 0–4 Default: Description: This command selects which subset of the result messages will be used by the modem to inform the computer of the results of commands.
  • Page 46 MultiModemII User Guide Command: &D n Data Terminal Ready (DTR) Control Values: n = 0, 1, 2, or 3 Default: Description: This command interprets the high to low transition of the DTR signal sent by the computer according to the supplied param- eter.
  • Page 47 4 AT Commands, S-Registers, and Result Codes Command: &G n V.22bis Guard Tone Control Values: n = 0, 1, or 2 Default: 0 (North America), 2 (elsewhere) Description: &G0 Disables guard tone. &G1 Sets guard tone to 550 Hz. &G2 Sets guard tone to 1800 Hz. Note: The &G command is not used in North America, and may not be permitted in some countries.
  • Page 48 MultiModemII User Guide Command: &Q n Sync/Async Mode Values: n = 0–3, 5, 6 Default: Description: This command is an extension of the &M command, and is used to control which connection modes are permitted. It is used in conjunction with S36 and S48. (See also the \N command.) &Q0 Selects direct asynchronous operation.
  • Page 49 4 AT Commands, S-Registers, and Result Codes &T4 Enables acknowledgment for remote digital loopback request. &T5 Ignores acknowledgment for remote digital loopback request. &T6 Requests a remote digital loopback, V.54 Loop 2, without self- test. If no connection exists, ERROR is returned. The CON- NECT XXXX message is displayed at the start of the test.
  • Page 50 MultiModemII User Guide &X2 Selects slave receive timing. The modem derives the transmit clock signal from the incoming carrier and applies it to the TXCLK output at the serial interface Command: &Y n Select Profile for Hard Reset Values: n = 0 or 1 Default: None Description:...
  • Page 51 4 AT Commands, S-Registers, and Result Codes Command: Line Signal Quality Values: None Default: None Description: Reports line signal quality (DAA-dependent) as a three-digit number. Returns the higher order byte of the EQM value. Based on the EQM value, retrain or fallback/fall forward may be initiated if enabled by %E1 or %E2.
  • Page 52 MultiModemII User Guide Data mode. The modem receives the break from the remote modem during a non-error-corrected connection: Clear data buffers and send break to the computer. Same as \K0. Send break immediately to the computer. Same as \K2. Send break to the computer in sequence with the received data. Same as \K4.
  • Page 53 4 AT Commands, S-Registers, and Result Codes Command: +MS= Modulation Selection Values: See description. Default: See description. Description: This extended-format command selects modulation and, op- tionally, enables or disables automode, specifies the lowest and highest connection rates, selects µ-Law or A-Law codec type, and specifies the highest transmit rate using one to five subparameters.
  • Page 54 MultiModemII User Guide <mod> Modulation Possible rates (bps) V.21 V.22 1200 V.22bis 2400 or 1200 V.23 1200 V.32 9600 or 4800 V.32bis 14400, 12000, 9600, 7200, or 4800 V.34 33600, 31200, 28800, 26400, 24000, 21600,19200, 16800, 14400, 12000, 9600, 7200, 4800, or 2400 V.90 56000, 54667, 53333, 52000, 50667, 49333, 48000, 46667, 45333, 44000, 42667, 41333.
  • Page 55 4 AT Commands, S-Registers, and Result Codes Command: -SDR= n Distinctive Ring Control Values: 0–7 Default: Description: This command enables or disables detection and reporting of distinctive ring. One, two, or three distinctive ring types can be simultaneously enabled depending upon the value of n. The detected ring type is reported in the verbose result code by ap- pending the ring type number to the end of the RING message.
  • Page 56 MultiModemII User Guide Command: #CID= n Caller ID Values: n = 0, 1, or 2 Default: Description: Enables or disables Caller ID recognition and reporting. #CID=0 Disables Caller ID. #CID=1 Enables formatted Caller ID reporting of ICLID SDM (Single Data Message) and MDM (Multiple Data Message) packets. #CID=2 Enables unformatted Caller ID reporting of any ICLID packet received after the first RING cycle, including SDM, MDM, or call waiting packets.

  • Page 57: S-Registers

    4 AT Commands, S-Registers, and Result Codes S-Registers Certain modem values, or parameters, are stored in memory locations called S- registers. Use the S command to read or alter the contents of S-registers (see previ- ous section). Register Unit Range Default Description 1 ring...
  • Page 58 MultiModemII User Guide Register Unit Range Default Description decimal 0, 1–127 42 (*) Sets the ASCII code for the remote configu- ration escape character. ATS13=0&W dis- ables remote configuration. minutes 10–255 Sets the length of time the modem waits after making a dial-up connection before it checks the lease line for restoral.
  • Page 59 4 AT Commands, S-Registers, and Result Codes Register Unit Range Default Description decimal 0–7 LAPM Failure Control. Specifies the fall- back action to take in the event of an LAPM negotiation failure. These fallback options are initiated immediately upon connection if S48 is set to 128.
  • Page 60 MultiModemII User Guide Register Unit Range Default Description attempt to deliver data in the buffer until the connection is lost or the data is delivered. decimal 136, 138 Enables or disables data compression: 136 Error correction without compression. 138 Error correction with compression. decimal 0, 7, 128 Enables or disables LAPM negotiation.

  • Page 61: Result Codes

    4 AT Commands, S-Registers, and Result Codes Result Codes In command mode your modem can send the following responses, called result codes, to your computer. Result codes are used by communications programs and can also appear on your monitor. Terse Verbose Description Command executed CONNECT...
  • Page 62 MultiModemII User Guide Terse Verbose Description CONNECT 24000 Connected at 24000 bps CONNECT 26400 Connected at 26400 bps CONNECT 28800 Connected at 28800 bps COMPRESSION CLASS 5 Connected with MNP Class 5 data compression COMPRESSION V.42 bis Connected with V.42 bis data compression COMPRESSION NONE Connected without data compression PROTOCOL NONE...
  • Page 63 4 AT Commands, S-Registers, and Result Codes Terse Verbose Description CONNECT 37333 Connected at 37333 bps (V.90 mode) CARRIER 37333 37333 bps data carrier detected (V.90 mode) CONNECT 38667 Connected at 38667 bps (V.90 mode) CARRIER 38667 38667 bps data carrier detected (V.90 mode) CONNECT 41333 Connected at 41333 bps (V.90) CARRIER 41333...
  • Page 64 MultiModemII User Guide...

  • Page 65: Chapter 5: Remote Configuration

    Remote Configuration...

  • Page 66: Introduction

    The following steps are valid regardless of whether the connection is established by the local or the remote MultiModemII modem. 1. Establish a data connection with a remote MT5600BA or MT5600BL modem. 2. Send three asterisks to initiate remote configuration. The remote modem responds:...

  • Page 67: Changing The Remote Escape Character

    5 Remote Configuration 3. To change the password, press á ß or â to select the first character of the pass- word, and then press à to go to the next character. Repeat until you have entered the entire password. 4.
  • Page 68 MultiModemII User Guide...

  • Page 69: Chapter 6: Callback Security

    Callback Security...

  • Page 70: Introduction

    MultiModemII User Guide Introduction 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 the password is invalid, the caller can try twice more before the modem hangs up.

  • Page 71: Assigning Callback Passwords

    6 Callback Security Front Panel Method 1. Turn on the modem. 2. Starting at the STATUS screen, press the following buttons on the front panel to turn callback security on and off: • To turn on callback security, press â, â, à, â, â, à, à to display the CALLBACK ON? option, and then press the Enter button to select the option.

  • Page 72: Assigning Callback Phone Numbers

    MultiModemII User Guide 7. Press the Enter button again to go to the PASSWORD SETUP screen. 8. Press à, à to go to the ENTER PASSWORD #2? screen. 9. Repeat steps 3–7 to enter the next password. 10. Repeat as many times as necessary, up to memory location 30, until all pass- words have been entered.

  • Page 73: Calling Procedure

    6 Callback Security 10. Repeat as many times as necessary, up to memory location 30, until all numbers have been entered. Warning: There is no way to review an entry to confirm that it has been entered cor- rectly. If you attempt to look at a number entry by pressing the Enter button for an ENTER NUMBER #n? screen, it is possible for you to accidentally erase the entry.
  • Page 74 MultiModemII User Guide Command: #CBP y = x Store Callback Password Values: y = 01–30 x = password (6–10 characters) Defaults: None Description: Stores callback security password x in memory location y. The password must have 6 to 10 characters.
  • Page 75 6 Callback Security Callback Assignments Location Password Phone number...
  • Page 76 MultiModemII User Guide...

  • Page 77: Chapter 7: Leased Line Operation

    Leased Line Operation...

  • Page 78: Introduction

    MT5600BL modem supports both two-wire and four-wire leased line operation. Two-Wire Setup 1. For two-wire leased line operation on the MT5600BA modem, connect the pro- vided modular telephone cable to the LINE jack. For two-wire leased line op- eration on the MT5600BL modem, connect the provided modular telephone cable to the LEASED jack.

  • Page 79: Four-Wire Setup

    7 Leased Line Operation line. If the remote modem has not yet been configured for leased line operation, you may turn off the local modem until the remote one is ready. Four-Wire Setup 1. For four-wire leased line operation, connect one of the provided four-wire cables to the LEASED jack on the back of the MT5600BL modem.

  • Page 80: Dial Backup And Leased Line Restoral

    MultiModemII User Guide Dial Backup and Leased Line Restoral For four-wire leased line operation, the MT5600BL modem has dial backup, in which the modem is connected to a standard dial-up line as well as to the leased line. If the leased line fails, the originate modem automatically dials and connects to the answer modem through the standard telephone network.

  • Page 81: Leased Line Operation

    7 Leased Line Operation 9. Press the á ß or â button several times to select the first digit in the number. 10. Press the à button to go to the next digit in the number. 11. Repeat steps 9 and 10 until you have entered a value between 10 and 255, and then press the Enter button to store it.
  • Page 82 MultiModemII User Guide...

  • Page 83: Chapter 8: Solving Problems

    Solving Problems...

  • Page 84: Introduction

    MultiModemII User Guide Introduction 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. How- ever, it is more likely that the source of your problem lies elsewhere.

  • Page 85: The Modem Does Not Respond To Commands

    8 Solving Problems The Modem Does Not Respond to Commands 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.

  • Page 86: The Modem Dials But Cannot Connect

    MultiModemII User Guide click Advanced, and select the new port address and/or interrupt. If you wish to use COM3 or COM4, note that COM3 shares an IRQ with COM1, as does COM4 with COM2, so you should change their IRQs to unused ones, if possible. 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.

  • Page 87: The Modem Disconnects While Online

    8 Solving Problems 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;...

  • Page 88: The Modem Cannot Connect When Answering

    MultiModemII User Guide Check for loose connections between the modem and the computer, the tele- phone jack, and AC power. 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. If you were online with a BBS or an online service like CompuServe, it might have hung up on you because of lack of activity on your part or because you ex- ceeded your time limit for the day.

  • Page 89: Data Is Being Lost

    8 Solving Problems Data Is Being Lost If you are using data compression and a high speed serial port, set the serial port baud rate to four times the data rate. Your UART might not be reliable at serial port speeds over 9600 bps or 19,200 bps.

  • Page 90: Fax And Data Software Can't Run At The Same Time

    MultiModemII User Guide Fax and Data Software Can’t Run at the Same Time 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 datacomm software, but not both at the same time, unless you have a special communication device management application.
  • Page 91 Appendixes...

  • Page 92: Appendix A: Regulatory Compliance

    MultiModemII User Guide Appendix A: Regulatory Compliance FCC Part 68 Telecom 1. This equipment complies with part 68 of the Federal Communications Commis- sion 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.

  • Page 93: Fax Branding Statement

    A Regulatory Compliance Manufacturer: Multi-Tech Systems, Inc. Trade Name MultiModemII Model Number: MT5600BA or MT5600BL FCC Registration No: AU7USA-33378-M5-E Ringer Equivalence No: 0.1A Modular Jack (USOC): RJ11C or RJ11W (single line) Service Center in USA: Multi-Tech Systems, Inc. 2205 Woodale Drive...

  • Page 94: Canadian Limitations Notice

    MultiModemII User Guide Canadian Limitations Notice Notice: The ringer equivalence number (REN) assigned to each terminal device pro- vides 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.

  • Page 95: Emc, Safety, And Terminal Directive Compliance

    A Regulatory Compliance EMC, Safety, and Terminal 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;...

  • Page 96: Appendix B: Technical Specifications

    Appendix B: Technical Specifications Your MultiModemII modem meets the following specifications: Trade Name MultiModemII™ Model Number MT5600BA and MT5600BL Server-to-Client K56flex or V.90 speeds when accessing a K56flex or V.90 server (actual speed depends on server capabilities and line Data Rates...

  • Page 97: B Technical Specifications

    B Technical Specifications Data Modulation FSK at 300 bps, PSK at 1200 bps, QAM at 2400, 4800, and 9600 bps (non-trellis), QAM with trellis-coded modulation (TCM) at 9600, 12,000, 14,400, 16,800, 19,200, 21,600, 24,000, 26,400, 28,800, 31,200, 33,600, and 56,000 bps Fax Modulation V.21 CH2 FSK at 300 bps (half duplex) V.27ter DPSK at 4800 and 2400 bps...
  • Page 98 MultiModemII User Guide Receiver Sensitivity -43 dBm under worst-case conditions AGC Dynamic Range 43 dB Interface TIA/EIA RS-232C/ITU-T V.24/V.28 Connectors DB25F RS-232C connector; two RJ-11 phone jacks (BA mod- el) or three RJ-11 phone jacks (BL model); power connector Cables One 14-foot RJ-11 phone cable (USA);...

  • Page 99: Appendix C: Loopback Tests

    C Loopback Tests Appendix C: Loopback Tests Introduction Each time you turn on your modem, it performs an automatic self-test to ensure proper operation. Your modem also has three diagnostic tests: local analog loop- back, remote digital loopback, and local digital loopback. These ITU-T V.54 loop- back tests isolate telephone circuit and transmission problems.

  • Page 100: Remote Digital Loopback Test (V.54 Loop 2)

    MultiModemII User Guide 3. Type AT&T1 and press E . This places your modem in analog loopback NTER mode in the originate mode. A CONNECT message should appear on your dis- play. The modem is now out of command mode and in a pseudo-online mode. 4.

  • Page 101: Local Digital Loopback Test (V.54 Loop 2)

    C Loopback Tests 3. Dial the remote modem and establish your online connection. 4. Type the escape sequence +++AT and press E to bring your modem into NTER online command mode. 5. Type AT&T6 and press E . The local modem responds to this command by NTER transmitting an unscrambled marking signal, which causes the remote modem to place itself in digital loopback mode.

  • Page 102: Back-To-Back Test

    MultiModemII User Guide 2. Dial the remote modem and establish your online connection. 3. Type the escape sequence +++AT and press E to bring your modem into NTER online command mode. 4. Type AT&T3 and press E . Once you receive an OK message from your mo- NTER dem (if responses are enabled), your modem is placed in digital loopback mode.

  • Page 103: Loopback Tests

    C Loopback Tests 6. Enter data from your keyboard. Typing multiple uppercase U characters is a good way to send an alternating test pattern of binary ones and zeroes. Data re- ceived by the remote modem enters its analog receiver, is converted to digital data, is reconverted into analog, and then is transmitted back to your modem.

  • Page 104: Appendix D: Warranty, Service, And Technical Support

    MultiModemII User Guide Appendix D: Warranty, Service, and Technical Support Limited Warranty Multi-Tech Systems, Inc. (MTS) warrants that this product will be free from defects in material or workmanship for a period of ten years from the date of purchase or, if date of purchase is not provided, ten years from the date of shipment (limited to customers in the U.S., Canada, Mexico, and United Kingdom).

  • Page 105: Technical Support

    800 972-2439 (USA and Canada) or 612 785-3500 (international and local). Please have modem information available. You can also contact Technical Support via the following URL: http://www.multitech.com/_forms/email_tech_support.htm Online Warranty Registration If you have access to the World Wide Web, you can register your Multi-Tech prod- uct online at the following URL: http://www.multitech.com/register/...

  • Page 106: About The Internet

    9. To exit the BBS, type G and press E NTER About the Internet Multi-Tech is a commercial provider on the Internet. Multi-Tech has a Web site at http://www.multitech.com and an ftp site at ftp://ftp.multitech.com To receive support via the Web, contact Technical Support at...

  • Page 107: Ordering Modem Accessories

    D Warranty, Service, and Technical Support Ordering Modem Accessories SupplyNet, Inc., can supply you with replacement transformers, cables and connec- tors for select Multi-Tech products. You can place an order with SupplyNet via mail, phone, fax or the Internet at the following addresses: Mail: SupplyNet, Inc.

  • Page 108: Appendix E: Upgrading The Modem

    MultiModemII User Guide Appendix E: Upgrading the Modem Introduction Your modem is controlled by semi-permanent software, called firmware, that is stored in flash memory. Firmware is nonvolatile; that is, it remains stored in memo- ry when the modem is turned off. However, it can be changed by either the manu- facturer or the user as bugs are fixed or new features are added.

  • Page 109: Step 2: Identify The Current Firmware Version

    Multi-Tech Web Site 1. Using your favorite Web browser, go to http://www.multitech.com/support/firm- ware/. 2. Scroll down to the table with your modem model number (non-USA firmware...

  • Page 110: Step 3: Download The Upgrade File

    MultiModemII User Guide Step 3: Download the Upgrade File Multi-Tech Web Site 1. If you are not already at the Firmware page of the Multi-Tech Web site, follow the procedure in “Step 2: Identify the Current Firmware.” 2. Click on the upgrade file name for your modem, and save the file to a temporary location on your hard disk.

  • Page 111: Step 6: Upgrade The Modem's Firmware

    E Upgrading the Modem 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 boot code (e.g., 2MBPFL11.S37) and the file name for the new firmware (e.g., 5600BA.S37). 1.

  • Page 112: Appendix F: Cable Pinouts

    MultiModemII User Guide Appendix F: Cable Pinouts RS-232 Pinouts DTE DB-25 DCE DB-25 connector connector TD 2 2 TD RD 3 3 RD RTS 4 4 RTS CTS 5 5 CTS DSR 6 6 DSR GND 7 7 GND CD 8 8 CD DTR 20 20 DTR...

  • Page 113: Leased Line Pinouts

    F Cable Pinouts DTE Mini-DIN DCE DB-25 8-pin connector connector 2 TD 3 RD 4 RTS SG, RxD+ 5 CTS RxD- TxD- 6 DSR 7 GND 8 CD HSKi (CTS) 20 DTR HSKo (RTS) 22 RI Figure F-3. Macintosh cable. Leased Line Pinouts 2 3 4 5 Red (Tip)
  • Page 114 MultiModemII User Guide Appendix G: ASCII Character Map Ctrl Code Hex Dec Code Hex Dec Code Hex Dec Code Hex Dec “ & ‘ 6A 106 6B 107 6C 108 6D 109 6E 110 7A 122 7B 123 < 7C 124 7D 125 >...
  • Page 115 Index...
  • Page 116 MultiModemII User Guide L 35 comma, setting pause time 49 M 35 command mode 32 abort timer 49 N 35 command mode options 22 adding the modem to Windows 9 O 35, 59 command string 32 advanced menu options 28–30 P 35 communication programs 10, 77 Advanced Options Trunk 23...
  • Page 117 Index DTE rate 10 DTR (Data Terminal Ready) K56flex protocol 2 on-hook/off-hook 34 AT command 10, 38 online command mode 32 menu options 23, 28 operating mode 39 timeout (S25) 50 LCD (liquid crystal display) 19–30 DTR dialing 22, 42 leased line package contents 4 cable pinouts 105...
  • Page 118 MultiModemII User Guide Single Line Connect Message command 44 S-registers 49–52 UARTs 11, 80, 81 sleep mode timer (S24) 50 reading 36 uninstalling a modem from Windows software, communications 10 S00 10, 30, 49 solving problems 76–82 S01 49 upgrading the modem 100–103 Speaker Mode command 35 S02 49 specifications, technical 88–90...

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