Multitech MultiModem MT2834ZDX User Manual
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Multitech MultiModem MT2834ZDX User Manual

Mt2834zdx-series external data/fax modem
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MT2834ZDX-Series
External Data/Fax Modem
User's Guide

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Summary of Contents for Multitech MultiModem MT2834ZDX

  • Page 1 MT2834ZDX-Series External Data/Fax Modem User's Guide...
  • Page 2 Furthermore, Multi-Tech Systems, Inc. reserves the right to revise this publication and to make changes from time to time in the content hereof without obligation of Multi-Tech Systems, Inc. to notify any person or organization of such revisions or changes.

  • Page 3: Table Of Contents

    Repair Procedures for International Customers (Outside U.S.A. and Canada)... 31 Repair Procedures for International Distributors... 31 Replacement Parts... 31 Appendix D - Waste Electrical and Electronic Equipment (WEEE) Statement ... 32 Index ... 33 Multi-Tech Systems, Inc. MT2834ZDX User's Guide Contents Table of Contents...

  • Page 4: Chapter 1 - Introduction And Installation

    Acrobat Reader Features The MT2834ZDX automatically adjusts to line conditions and to the capabilities of the modem it connects to, resulting in the highest transmission speed, the most accurate error correction, and the most efficient data compression possible for each connection. The MT2834ZDX follows the ITU-T V.34 specification for data rates as high as 28,800 bps over public telephone lines, while the MT2834ZDXb follows the most recent revision of the V.34 specification for...

  • Page 5: Modem Installation

    COM1 or COM2. LINE Connection Plug one end of the phone cable into the MT2834ZDX’s LINE jack and the other end into a phone line 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.

  • Page 6: Step 3: Install The Modem Driver

    In the list box, select the old modem. Click Remove, then click Close. The next time you dial a HyperTerminal connection, it will select your new modem and ask you to confirm the selection. Multi-Tech Systems, Inc. MT2834ZDX User's Guide Chapter 1 – Introduction and Installation...

  • Page 7: Chapter 2 - Operation

    Fax. The FX LED lights when the modem is in fax mode. Note: When you turn on the MT2834ZDX, the speed lights flash briefly as the modem does a self-test, then the LED for the default modem baud rate lights. The default rate for the MT2834ZDX is 28,800 bps (33,600 bps for the ZDXb) unless you select and store another baud rate.

  • Page 8: Chapter 3 - At Commands, S-Registers And Result Codes

    Maximum Reliable Block Size Values: n = 0 or 1 Default: Description: &BS0 Maximum transmit block size of 64 characters. &BS1 Maximum transmit block size of 256 characters. Multi-Tech Systems, Inc. MT2834ZDX User's Guide Chapter 3 – AT Commands, S-Registers, and Results Codes...
  • Page 9 %DF0 Display data in graph format. Y axis is gain shown in dBm. %DF1 Display data in table format. Gain is shown numerically in dBm at 75Hz increments from 150Hz to 3750Hz. Multi-Tech Systems, Inc. MT2834ZDX User's Guide Chapter 3 – AT Commands, S-Registers, and Results Codes...
  • Page 10 &E12 Pacing disabled. &E13 Pacing enabled. Command: &En Data Compression Values: n = 14 or 15 Default: Description: &E14 Data compression disabled. &E15 Data compression enabled. Multi-Tech Systems, Inc. MT2834ZDX User's Guide Chapter 3 – AT Commands, S-Registers, and Results Codes...
  • Page 11 Note: The ZDXK is locked to the ITU-T 1800 Hz guard tone (&G2). Command: On Hook/Off Hook Values: n = 0 or 1 Default: None Description: H0 Go on hook (hang up). H1 Go off hook. Multi-Tech Systems, Inc. MT2834ZDX User's Guide Chapter 3 – AT Commands, S-Registers, and Results Codes...
  • Page 12 Default: Description: M0 Speaker always off. M1 Speaker on until carrier signal detected. M2 Speaker always on. M3 Speaker on during dialing, off during handshaking. Multi-Tech Systems, Inc. MT2834ZDX User's Guide Chapter 3 – AT Commands, S-Registers, and Results Codes...
  • Page 13 = 0 or 1 Default: Description: R0 Modem will not reverse modes. R1 Modem will reverse modes when R is added to the dial string. Multi-Tech Systems, Inc. MT2834ZDX User's Guide Chapter 3 – AT Commands, S-Registers, and Results Codes...
  • Page 14 &S0 Force DSR high (on). &S1 Let DSR follow CD. &S2 DSR drops on disconnect, then goes high again. (Used by some CBX phone systems.) Multi-Tech Systems, Inc. MT2834ZDX User's Guide Chapter 3 – AT Commands, S-Registers, and Results Codes...
  • Page 15 Wait for New Dial Tone Values: Description: Inserted in dialing command, causes modem to wait for a new dial tone. (X2 or X4 must be selected.) Multi-Tech Systems, Inc. MT2834ZDX User's Guide Chapter 3 – AT Commands, S-Registers, and Results Codes...
  • Page 16 Placed in dial command, causes modem to wait for a call card tone before processing next part of command (such as a call card number). Multi-Tech Systems, Inc. MT2834ZDX User's Guide Chapter 3 – AT Commands, S-Registers, and Results Codes...
  • Page 17 <BREAK> signal followed by AT, up to sixty command characters, and a RETURN. You must set the modem to %E2 or %E3 before you can use this escape method. Multi-Tech Systems, Inc. MT2834ZDX User's Guide Chapter 3 – AT Commands, S-Registers, and Results Codes...

  • Page 18: S-Registers

    24, 21, 19, 16, 14, 12, 96, or 48 Multi-Tech Systems, Inc. MT2834ZDX User's Guide Chapter 3 – AT Commands, S-Registers, and Results Codes Sets the number of rings until the modem answers. ATS0=0 disables autoanswer completely. Counts the rings that have occurred.

  • Page 19: Result Codes

    Result Codes In command mode the MT2834ZDX can send responses, or result codes, to your computer. Result codes are used by communications programs and can also appear on your monitor. AT&Q0 selects Multi-Tech result codes with RELIABLE, LAPM, and COMPRESSED modifiers (default).

  • Page 20: Chapter 4 - Troubleshooting

    COM port automatically. Some connect when the software loads and remain connected until the program terminates. Others can disconnect without exiting the program. The modem’s TR indicator lights to show that the software has taken control of the modem through the COM port. Multi-Tech Systems, Inc. MT2834ZDX User's Guide Chapter 4 – Troubleshooting...

  • Page 21: The Modem Dials But Cannot Connect

    How I dial from this location. • If the modem reports NO ANSWER, the other system has failed to go off-hook, or you might have dialed a wrong number. Check the number. Multi-Tech Systems, Inc. MT2834ZDX User's Guide Chapter 4 – Troubleshooting connection.
  • Page 22 Try entering the L8 (List Online Diagnostics) command in online mode, making a screen print of the diagnostics listing, and checking for parameters that may be unacceptable (number of retrains, round trip delay, etc.). Multi-Tech Systems, Inc. MT2834ZDX User's Guide Chapter 4 – Troubleshooting...

  • Page 23: There Are Garbage Characters On The Monitor

    Communications devices can be accessed by only one application at a time. In Windows 95, 98, and NT 4.0, you can have separate data and fax communication applications open at the same time, but they cannot use the same modem at the same time. Multi-Tech Systems, Inc. MT2834ZDX User's Guide Chapter 4 – Troubleshooting...

  • Page 24: Appendix A - Regulatory Compliance

    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. Multi-Tech Systems, Inc. MT2834ZDX User's Guide Appendix A – Regulatory Compliance Class B digital device, pursuant to...
  • Page 25 Connection to party line service is subject to state tariffs. Contact the state public utility commission, public service commission or corporation commission for information. No repairs are to be made by you. Repairs are to be made only by Multi-Tech Systems or its licensees. Unauthorized repairs void registration and warranty.
  • Page 26 For example, the label should not be placed on the rear of a permanently wall-mounted device in a manner such that it is not readily accessible. Multi-Tech Systems, Inc. MT2834ZDX User's Guide Appendix A – Regulatory Compliance...

  • Page 27: Regulatory Requirements For Canada

    (A-Z, 0-9) assigned by the applicant. Other characters, (such as & # *-) may not be used. Alphabetic characters must be capitalized. Note: The Company Number of registered equipment ends with an alphabetic character. Multi-Tech Systems, Inc. MT2834ZDX User's Guide Appendix A – Regulatory Compliance...
  • Page 28 (d) A Terminal Equipment Certification / Testing Application and Agreement form, completed by the proposed multiple listee; (e) A drawing, sample or illustration of the product label; and Payment in accordance with TRC-49 section on Multiple Listings. Multi-Tech Systems, Inc. MT2834ZDX User's Guide Appendix A – Regulatory Compliance...

  • Page 29: Appendix B - Technical Specifications

    Appendix B – Technical Specifications Appendix B – Technical Specifications Your MT2834ZDX fax modem meets the following specifications: Model Numbers MT2834ZDX, MT2834ZDXb Data Rates (Modem) 33.6K and 31.2K (ZDXb only), 28.8, 26.4K, 24K, 19.2K, 16.8K, 14.4K, 12K, 9600, 7200, 4800,...

  • Page 30: Appendix C - Warranty And Service

    Multi-Tech Warranty Statement Multi-Tech Systems, Inc., (hereafter “MTS”) warrants that its products will be free from defects in material or workmanship for a period of two, five, or ten years (depending on model) from date of purchase, or if proof of purchase is not provided, two, five, or ten years (depending on model) from date of shipment.

  • Page 31: Repair Procedures For International Customers (Outside U.s.a. And Canada)

    If you have access to the World Wide Web, you can register your Multi- Tech product online at the following URL: http://www.multitech.com/register/ About the Internet Multi-Tech maintains a World Wide Web site at: http://www.multitech.com Multi-Tech Systems, Inc. MT2834ZDX User's Guide Appendix C – Warranty and Service...

  • Page 32: Appendix D - Weee Statement

    For more information about where you can drop off your waste equipment for recycling, please contact your local city office, your household waste disposal service or where you purchased the product. Multi-Tech Systems, Inc. MT2834ZDX User's Guide...

  • Page 33: Index

    Modem-Initiated Flow Control &E 3-5...10 Multi-Tech or Standard Result Code &Q...13 Non-Error Correction Mode Flow Control &E Multi-Tech Systems, Inc. MT2834ZDX User's Guide Index Number Linking NdNe Number of XOFF Characters Sent #X On Hook/Off Hook H Pacing (Computer-Initiated Flow Control) &E 12-13...
  • Page 34 ...25 PHONE Connection...5 POWER Connection...5 Power-On Test ...5 Register your modem...31 remove old modem driver...6 Multi-Tech Systems, Inc. MT2834ZDX User's Guide Replacement Parts Result codes ... 19 RETURN (ENTER) RS232 Connection safety ... 4 Specifications ... 29 S-Registers ... 18 ...20...

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