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®
MultiModem ZDX
Model MT5656ZDX-Series
Voice/Data/Fax Modem
User Guide
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Copyright and Technical Support User Guide MT5656ZDX-Series PN S000248K Revision K This publication may not be reproduced, in whole or in part, without prior expressed written permission from Multi-Tech Systems, Inc. All rights reserved. Copyright © 2003-11 by Multi-Tech Systems, Inc. Multi-Tech Systems, Inc. makes no representations or warranties with respect to the contents hereof and specifically disclaims any implied warranties of merchantability or fitness for any particular purpose.
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Table of Contents Contents Chapter 1 - Introduction ................................................................................................................................................. 4 Product Description ................................................................................................................................................ 4 Chapter 2 - Hardware Installation ...............................................................................................
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Chapter 1 - Introduction Congratulations on your purchase of the Multi-Tech MT5656ZDX-Series modem. ● The Multi-Tech MT5656ZDX modem is your data/fax modem. ● The MT5656ZDX-V offers your voice option. You have acquired one of the finest intelligent data/fax or 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 install, configure, test, and use your modem. Product Description The Multi-Tech MT5
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Chapter 2 - Hardware Installation This chapter shows you step-by-step how to set up your Multi-Tech modem, test it, and make your first calls. Ship Kit Contents ● One MultiModem ZDX (MT5656ZDX) ● One set of four self-adhesive rubber feet ● One power supply ● One RS-232 cable (a DB9F to DB25M serial cable) ● One RJ-11 telephone cable You Supply ● A computer with an available serial port ● A nearby AC power outlet ● A nearby phone jack Optional: If you want speakerphone functions alo
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Chapter 2 - Hardware Installation Technical Specifications The MultiModemZDX modem meets the following specifications: TM Trade Name MultiModemZDX Model Number MT5656ZDX Server-to-Client Data Rates V.90 speeds when accessing a V.90 or V.92 server (actual speed depends on server capabilities and line conditions) *Though these modems are capable of 56K bps download performance, line impairments, public telephone infrastructure and other external technological factors currently prevent ma
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Chapter 2 - Hardware Installation Connectors Two RJ-11 phone jacks, DB25F RS-232C connector, power connector Cables One modular telephone cable Diagnostics Local analog loop, local digital loop, remote digital loop Speaker Speaker for call progress monitoring Speaker and Microphone Jacks MultiModemZDXV Manual Controls Power switch Environmental Temperature range 0°–50°C (32°–120°F); humidity range 20–90% (non-condensing) Storage Temperature -10° to +85°C (14°- 185° F) Power Consump
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Chapter 2 - Hardware Installation Overview – Connecting the Modem to Your System Turn off your computer. Place the modem in a convenient location, then connect it to your computer’s serial port, to the phone line, to AC power, and to your phone (phone is optional). MT5656ZDX Connections. MT5656ZDX Connections Connect the Modem to Your PC (RS-232 Connection) Plug one end of the RS-232 serial cable into the RS-232 connector on the modem, and plug the other end into a serial port co
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Chapter 2 - Hardware Installation Connect the Power Make sure the power switch is set to OFF. The power switch is located on the side panel of the modem. Plug the power supply into a power outlet or power strip. Plug the other end into the PWR jack on the modem. CAUTION: Use only the power supply cable supplied with the modem. Use of any other power supply voids the warranty and can damage the modem. A Note About Power Connection, Surge Protectors, and Lightning Power surges and other t
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Chapter 2 - Hardware Installation Voice Connections (Voice option only) Voice Connections for Voice Models (Optional) Connect the Modem to the Phone For voice-only calls, plug a phone into the modem’s PHONE jack. Connect the Microphone 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 (3.5mm) mini plug. Do not use a monophonic microphone. Connect the Speaker For spea
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Chapter 2 - Hardware Installation Installing the Modem Driver If you use Windows 2000 or newer, you must install the modem driver. If you use another operating system, see Appendix B. When operating the modem under Windows, the modem driver can be installed by using the Plug and Play feature. Follow the procedure below. 1. Make sure your modem is connected properly, and then turn on your computer. Windows should detect your new modem and open the Welcome to the Found New Hardware wizard.
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Chapter 2 - Hardware Installation 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: ● User name (also called user ID) ● Password ● Access number (the number you call to conne
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Chapter 3 - Operation Like any modem, your Multi-Tech modem operates only under the control of a communications program, such as the communications program included with your 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 communications program of your choice, please refer to the documentation provided with the data communications program. An experienced modem us
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Chapter 3 - Operation Configuring Your Software You may use either the communication program included with your modem or a third-party program. Communication programs designed for Windows normally do not need to be manually configured, since they obtain configuration information from Windows. Though each communication program is different, the following procedure should work with most of them. 1. Turn on your computer and run your communications program. 2. Find the dialog box or menu tha
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Chapter 4 - AT Commands See Commands Reference Guides AT Commands and Voice Commands are in the AT Command Reference Guide. Fax Class 1 Commands and Fax Class 2 Commands are documented in separate Fax Reference Guides. All Reference Guides are included on the Multi-Tech Web site. Multi-Tech Systems, Inc. MT5656ZDX User Guide 15
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Chapter 5 - 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, check the list of troubleshooting procedures before calling Multi-Tech. ● None of the LEDs light when the modem is on. ● The modem does not respond to commands. ● The modem dials but is unable to make a connection. ● The modem disconnects while online. ● The mode
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Chapter 5 - Troubleshooting 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 the data communications program, either manually in terminal mode or automatically by configuring the software. (You cannot send commands to the modem from the DOS prompt.) ● Make sure you are in terminal mode in your data communications program, then type AT and press ENTER. If you g
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Chapter 5 - Troubleshooting The Modem Dials But Cannot Connect There can be several reasons the modem fails to make a connection. Possibilities include: ● Lack of a physical connection to the telephone line. ● A missing 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. You can narrow the list of possibilities by using extended result codes. Extended result codes are enab
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Chapter 5 - Troubleshooting The Modem Disconnects While Online ● If you have Call Waiting on the same phone line as your modem, it can interrupt your connection when someone tries to call you. If you have Call Waiting, disable it before each call. In most phone areas in North America, you can disable Call Waiting by preceding the phone number with *70 (check with your local phone company). ● You can automatically disable Call Waiting by including the disabling code in the modem’s dial pref
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Appendix A – Regulatory Compliance 47 CFR – FCC Part 15 Class B This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to 47 CFR – FCC Part 15 regulations. The stated limits in this regulation are designed to provide reasonable protection against harmful interference in a residential environment. This equipment generates, uses, and can radiate radio frequency energy, and if not installed and used in accordance with the instructions, may
