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Multitech MultiModem MT3334ZDX Owner's Manual

Multi-tech syst data/fax modem data/fax/voice modem owner's manual (user guide) mt3334zdx , mt3334zdxv
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Models MT3334ZDX
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Data/Fax Modem
Data/Fax/Voice Modem
Owner's Manual (User Guide)

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Summary of Contents for Multitech MultiModem MT3334ZDX

  • Page 1 Models MT3334ZDX and MT3334ZDXV Data/Fax Modem Data/Fax/Voice Modem Owner's Manual (User 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

    Chapter 1 - Introduction and Description Introduction ... 5 Requirements ... 5 Computer ... 5 Serial Cable ... 5 Telephone Line ... 5 Communications Software ... 6 Product Features ... 6 Data ... 6 Fax ... 7 Voice (Model MT3334ZDXV only) ... 7 About this Manual ...
  • Page 4 Chapter 4 - Modem Testing Local Analog Loopback Test/V.54 Loop 3 ... 42 Digital Loopback Test/V.54 Loop 2 (Local/Manual) ... 43 Digital Loopback Test/V.54 Loop 2 (Remote/Auto) ... 44 Chapter 5 - Service, Warranty and Tech Support Introduction ... 46 Limited Warranty ...

  • Page 5: Chapter 1 - Introduction And Description

    In addition to the contents of the MultiModemZDX package, you will need the following equipment. Computer The MultiModemZDX (MT3334ZDX or MT3334ZDXV) can be connected to any computer with an RS-232 serial port, such as the IBM PC, XT, AT, and PS/2 computers, and most IBM compatibles. Note that your computer system should have a processing speed of at least 75 MHz in order to take full advantage of the telephony features of this product.

  • Page 6: Communications Software

    MT3334ZDX/V Owner's Manual Communications Software You will need data communications (datacomm), fax communications software and, for the MultiModemZDX, an appropriate application software package to access the Personal Voice-Mail features of the MultiModemZDXV. The MultiModemZDX is also compatible with datacomm and fax programs you may already own.

  • Page 7: Fax

    • Supports V.17, Group 3 fax communication standards, allowing it to communicate with other fax modems as well as with fax machines. • Responds to Class 1 fax commands, enabling it to exchange editable and encrypted faxes with other Windows 95 computers. •...

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

    MT3334ZDX/V Owner's Manual Chapter 3 - AT Commands, S-Registers and Result Codes Chapter 3 documents default and option ATcommands, S-Registers and Result Codes supported by the MultiModemZDX. Chapter 4 - Testing Your Modem Chapter 4 covers the modem's built-in test features. These are: Power- on Self Test, Local Analog Loopback, Digital Loopback and Remote Digital Loopback Tests.

  • Page 9: Chapter 2 - Installation

    Chapter 2 - Installation Introduction This chapter will provide you with the basic steps necessary to install and configure your MultiModemZDX. Before attempting any procedure, be sure to read the safety warnings in the following section. Safety Warnings Never install telephone wiring during a lightning storm. Never install telephone jacks in wet locations unless the jack is specifically designed for wet locations.
  • Page 10 MT3334ZDX/V Owner's Manual To install your MultiModemZDX: Attach the MultiModemZDX to dial-up phone lines using the RJ11 telephone cord. This is accomplished by plugging one end of the cable provided with the MultiModemZDX into the telephone jack in your home or office; and plugging the other end into the LINE jack on the MultiModemZDX.
  • Page 11 2 - Installation Figure 2-2. MultiModemZDX Connections...

  • Page 12: Led Indicators

    MT3334ZDX/V Owner's Manual LED Indicators The MultiModemZDX has ten LED indicators (Figure 2-3) to report status (such as verifying proper installation) and line activity (such as monitoring the status of a connection). Transmit Data. The TD LED flashes when data is being transmitted (on for a space, off for a mark).
  • Page 13 2 - Installation Carrier Detect. This LED lights when a valid carrier signal from another modem is detected. V.34. This LED is lit when the modem is connected in V.34 mode at 33,600 bps. V.32 bis . This LED is lit when the modem is connected in V.32 bis mode. Note at speeds lower than a V.32 bis connection, the MultiModemZDX speed LEDs remain unlit.

  • Page 14: Is Your Multimodemzdx Ready For Use

    MT3334ZDX/V Owner's Manual Terminal Ready. When TR is lit, the MultiModemZDX can answer an incoming call. This signal (TR or DTR) provides a means for the terminal or computer to control the MultiModemZDX's connection to the communications channel. A high DTR signal is required by the MultiModemZDX to be able to communicate.

  • Page 15: Operating Your Multimodemzdx

    Operating Your MultiModemZDX You control your MultiModemZDX by issuing AT commands and setting S-Registers. Right now your MultiModemZDX is set up for the most typical user application, that is, as a traditional modem set to make a dial-up call to a remote installation where the call is answered automatically; therefore, you shouldn’t need to change the current default configuration.

  • Page 16: Remote Configuration

    MT3334ZDX/V Owner's Manual Remote Configuration The Remote Configuration feature is a network management tool that allows you to configure modems remotely. configure modems anywhere in your network from one location without having to visit the sites or rely on remote users to follow your instructions.

  • Page 17: Software Configuration

    2 - Installation Software Configuration Communications software must be configured to work with the MultiModemZDX, your computer, and the remote system it is calling. Fortunately, most communications programs make the process easy by providing a default initialization string to your modem as well as defaults for most of the other required parameters.

  • Page 18: Hardware/Software Confirmation

    MT3334ZDX/V Owner's Manual Hardware/Software Confirmation To confirm that your modem (hardware) and communications package (software) is working properly: Go into terminal mode in your communications package. To determine if your computer and modem are communicating properly, Enter: AT<CR> At this point your video monitor should display OK.

  • Page 19: Troubleshooting

    Troubleshooting Your MultiModemZDX was thoroughly tested at the factory before it was shipped. If you are unable to make a successful connection or if you experience data loss or garbled characters during your connection, it is possible that the modem is defective. However, it is more likely that the source of your problem lies elsewhere.

  • Page 20: The Modem Does Not Respond To Commands

    MT3334ZDX/V Owner's Manual The Modem Does Not Respond to Commands • Make sure the modem is plugged in and turned on. (See “None of the LEDs Light When the Modem Is On.”) • Make sure you are issuing the modem commands from the data communications software, either manually in terminal mode or automatically once you have configured the software.
  • Page 21 • Peripheral expansion cards, such as bus mouse and sound cards, may include a serial port preconfigured as COM1 or COM2. The extra serial port, or the card itself, may use the same COM port, memory address, or interrupt request (IRQ) as your communications port. Be sure to disable any unused ports.

  • Page 22: The Modem Dials But Cannot Make Connection

    MT3334ZDX/V Owner's Manual The Modem Dials But Cannot Make Connection There can be several reasons the MultiModemZDX fails to make a connection. Possibilities include • lack of a physical connection to the telephone line. • a wrong dial tone. •...
  • Page 23 To change the dial prefix in your communications package, select Setup , Modem ; then select the modem type you are using, and type the new prefix in the Dial Prefix box. To change the dial prefix in Windows Terminal, select Settings , Modem Commands. To change it in Windows 95 HyperTerminal, select Call , Connect from the menu bar, click Dialing Properties , and type 9 in the local and long distance boxes in How I Dial from This Location .

  • Page 24: The Modem Disconnects While Online

    MT3334ZDX/V Owner's Manual The Modem Disconnects While Online • If you have call waiting on the same phone line as your modem, it may interrupt your connection when someone tries to call you. If you have call waiting, disable it before each call. In most telephone areas, you can disable call waiting by preceding the telephone number with *70 (check with your local telephone company).

  • Page 25: Slow File Transfer

    Slow File Transfer • You may have an older UART. For best throughput, install a 16550AFN UART or a Multi-Tech ISI serial port card. • If you are running under Windows 3.1 and have a 16550AFN UART, you must replace the Windows serial driver, COMM.DRV, to take full advantage of the UART’s speed.

  • Page 26: Garbage Characters On The Monitor

    MT3334ZDX/V Owner's Manual Garbage Characters on the Monitor • Your computer and the remote computer may be set to different word lengths, stop bits, or parities. If you have connected at 8-N-1, try changing to 7-E-1, or vice-versa, using your communications software.

  • Page 27: Chapter 3 - At Commands, S-Registers And Result Codes Command Summary

    Chapter 3 - AT Commands, S-Registers and Command Summary This section summarizes your modem’s AT commands, S-Registers and Result codes. Command: AT Values: Description: Command: ENTER or Carriage Return <CR> Key Values: Description: Command: A Values: Description: Command: A/ Values: Description: Command: B n n = 0 or 1...
  • Page 28 MT3334ZDX/V Owner's Manual Command: D s Values: s = dial string (phone number and dial modifiers) Default: none Description: Dial string modifiers: Command: E n n = 0 or 1 Values: Default: Description: E0 Dial Dial telephone number s , where s may be up to 40 characters long and include the 0–9, *, #, A, B, C,...
  • Page 29 Command: F n Echo Online Data Characters Values: n = 1 Default: Description: F0 Enable online data character echo. (Not supported.) Disable online data character echo (included for backward compatibility with some software). Command: H n On-Hook/Off-Hook Control Values: n = 0 or 1 Default: Description: H0 Go on-hook to hang up.
  • Page 30 MT3334ZDX/V Owner's Manual Command: N n Values: n = 0 or 1 Default: Description: N0 Command: O n Values: 0 or 1 Default: None Description: O0 Command: Q n n = 0 or 1 Values: Default: Description: Q0 Command: S r = n Values: r = S-register number;...
  • Page 31 Command: X n Result Code Selection Values: n = 0–4 Default: Description: X0 Basic Result Codes ( e.g., CONNECT ); does not look for dial tone or busy signal. Extended Result Codes ( CONNECT 33600 V42bis , etc.); does not look for dial tone or busy signal. Extended Result Codes with NO DIALTONE ;...
  • Page 32 MT3334ZDX/V Owner's Manual Command: &D n Values: n = 0, 1, 2, or 3 Default: Description: &D0 &D1 &D2 &D3 Command: &F n n = 0 Values: Default: None Description: &F0 Command: &G n Values: n = 0, 1, or 2 Default: Description: &G0...
  • Page 33 Command: &Q n Asynchronous Communications Mode Values: n = 0, 5, or 6 Defaults: Description: &Q0 Asynchronous with data buffering. Same as \N0 . &Q5 Error control with data buffering. Same as \N3 . &Q6 Asynchronous with data buffering. Same as \N0 . Command: &S n Data Set Ready (DSR) Control n = 0 or 1...
  • Page 34 MT3334ZDX/V Owner's Manual Command: \K n Values: n = 5 Default: Description: \K5 Command: \N n Values: n = 0–5 Default: Description: \N0 Command: \V n Values: n = 0 or 1 Default: Description: \V0 Command: %C n n = 0 or 1...
  • Page 35 Command: $MB Modem Baud Rate Values: n = speed Default: 33600 Description: $MB75 $MB300 $MB1200 $MB2400 $MB4800 $MB9600 $MB14400 $MB19200 $MB28800 $MB33600 Command: $SB Serial Port Baud Rate n = speed Values: Default: 115200 Description: $SB300 $SB1200 $SB2400 $SB4800 $SB9600 $SB19200 $SB38400 $SB57600...

  • Page 36: S-Registers

    MT3334ZDX/V Owner's Manual S-Registers Certain Command Mode configurations are stored in memory registers called, S-Registers. The S command is used to assign a value to, and to read the current value of an S-Register. To assign a value to an S- Register, enter the letter S , followed by the S-Register number and an equals sign ( = ).
  • Page 37 Register: Unit: decimal Range: 0-32, 33-127 Default: 8(^H) Description: Sets ASCII code for the backspacecharacter. Values greater than 32 disable the backspace character. Register: Unit: seconds Range: 2-65 Default: Description: Sets the time the modem waits after it goes off- hook before it begins to dial the telephone number.
  • Page 38 MT3334ZDX/V Owner's Manual Register: Unit: 1 ms Range: 50-150 Default: Description: Register: Unit: decimal Range: 0, 1-255 Default: Description: Register: Unit: 1 minute Range: 0-255 Default: Description: Register: Unit: decimal Range: Default: Description: Register: Unit: decimal Range: {0,2}, {1,3}, {4,6}, {5,7}...
  • Page 39 Register: Unit: decimal Range: 0-19 Default: Description: Sets the maximum dial line rate. 0 = maximum modem speed 1 = reserved 2 = 1200/75 bps 3 = 300 bps 4 = reserved 5 = 1200 bps 6 = 2400 bps 7 = 4800 bps 8 = 7200 bps 9 = 9600 bps...
  • Page 40 MT3334ZDX/V Owner's Manual Register: Unit: decimal Range: 7 or 128 Default: Description: Register: Unit: seconds Range: 0, 5-255 Default: Description: The following chart lists the S36 and S48 configuration settings necessary to negotiate certain types of connections. Sets the length of time in the off-line command mode before the modem goes into standby mode.

  • Page 41: Result Codes

    Result Codes When the modem receives an AT command from the terminal or PC, it tries to execute the command, then sends a status message to the PC or terminal which reports the "results" of the command (hence the name "result codes").

  • Page 42: Chapter 4 - Modem Testing

    MT3334ZDX/V Owner's Manual Chapter 4 - Modem Testing Local Analog Loopback Test/V.54 Loop 3 In this test, data from your computer or terminal is sent to your modem's transmitter, converted into analog form, looped back to the receiver, converted into digital form and then received back at your monitor for verification.

  • Page 43: Digital Loopback Test/V.54 Loop 2 (Local/Manual)

    Digital Loopback Test/V.54 Loop 2 (Local/Manual) The Digital Loopback Test is an on-line test that loops data sent from one modem across the phone line to another modem, then back to the first modem. See Figure 4-2. There are two ways to put a modem into Digital Loopback mode. 1.

  • Page 44: Digital Loopback Test/V.54 Loop 2 (Remote/Auto)

    MT3334ZDX/V Owner's Manual Figure 4-2. Digital Loopback Test(local/manual) When testing is complete, you may end the test by typing an Escape Sequence ( +++AT<CR> ) to bring your modem into Command mode. The modem should respond with an OK message. If you wish to stay On-line with the remote modem for normal data transmission, type ATO0 and hit ENTER.
  • Page 45 4 - Testing Your Modem Type data from your keyboard. For this test, typing multiple upper case "U" characters is a good way to send an alternating test pattern of ones and zeros. The data received by the remote modem will enter its analog receiver, be converted to digital data, be reconverted into analog, and then looped through its transmitter back to the local modem.

  • Page 46: Chapter 5 - Service, Warranty And Tech Support

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

  • Page 47: On-Line Warranty Registration

    5 - Service, Warranty and Tech Support On-line Warranty Registration To register your Multi-Tech product on-line, click on the following link: http://www.multitech.com/support/register.htm Tech Support Multi-Tech has an excellent staff of technical support personnel available to help you get the most out of your Multi-Tech product. If you have any questions about the operation of this unit, call 1-800-972-2439.

  • Page 48: Service

    Service If your tech support specialist decides that service is required, modems may be sent (freight prepaid) to our factory. Return shipping charges will be paid by Multi-Tech Systems (within North America). Include the following with your modem: • a description of the problem.

  • Page 49: About The Multi-Tech Bbs

    About the Multi-Tech BBS - No Longer Available Multi-Tech Systems maintains a Bulletin Board Service ( BBS ) for its customers. The information available via the BBS includes: new product information, product upgrade data, problem solving tips, and a message service for you to leave questions for which you would like additional information.

  • Page 50: Reading A Message

    MT3334ZDX/V Owner's Manual If you select Zmodem, the transfer will begin automatically. If you select another protocol, you may have to initiate the transfer yourself. (In most data communications programs, the PAGE DOWN key initiates the download.) If you don’t know the file name: From the Main Menu, type F to access the Files Menu.

  • Page 51: Bulletins

    Bulletins When you log on, the BBS will ask if you would like to view the bulletin menu. The bulletins are menu-driven; to read a bulletin, enter its number. You can also access the bulletins by typing B at the Main Menu. About CompuServe/Internet - No Longer Available In addition to the BBS, Multi-Tech provides support through CompuServe's Modem Vendor Forum ( GOMODEMVEN ) under GO MULTITECH .

  • Page 52: Appendix A - Technical Specifications

    MT3334ZDX/V Owner's Manual Appendix A - Technical Specifications Your MultiModemZDX meets the following specifications: Tradename Model Numbers Data Rates (modem) Data Rates (fax) Data Format Compatibility Fax Compatibility Voice Compatibility Error Correction/ Data Compression Speed Conversion Flow Control Mode of Operation...
  • Page 53 Intelligent Features Command Buffer Data Modulation Fax Modulation Carrier Frequencies Voice Compression and Sampling Rate Automatic or manual dialing, Automatic or manual answer, Microprocessor- controlled, remote configuration, EIA extended Automode, adaptive line probing, automatic symbol rate and carrier frequency during start-up, retrain and rate renegotiation, DTMF detection, Autodial, Redial, Repeat dial, Dial linking, Tone dial, Dial pauses, Call status display,...
  • Page 54 MT3334ZDX/V Owner's Manual Carrier Frequencies 2400 & 1200 bps (V.22bis/V.22) Carrier Frequencies V.21 V.23 Carrier Frequencies Fax V.21 CH2 (Half Duplex) V.27ter V.29 QAM V.17 TCM Transmit Level Frequency Stability Receiver Sensitivity AGC Dynamic Range Transmit Originate: Transmit Answer: Receive Originate:...
  • Page 55 Interface Connectors Diagnostics Indicators Controls Speaker Operating Temperature Power Requirement Power Consumption Dimensions Weight Limited Warranty EIA RS232C/CCITT V.24 DB25 ( RS232C ) connector; Two RJ11 modular phone jack: for line, and telephone set, power jack. Power-on Self Test, Local Analog Loop, Local Digital Loop, Remote Digital Loop.

  • Page 56: Appendix B - Tone Dial Frequencies

    MT3334ZDX/V Owner's Manual Appendix B - Tone Dial Frequencies The tone-dialing method combines two frequencies for each of the twelve digits found on a Touch Tone dial pad. This method is referred to as Dual- Tone Multi-Frequency ( DTMF ) dialing. The four horizontal rows on a...

  • Page 57: Appendix C - Regulatory Information

    Appendix C - Regulatory Information - See Web Site Multi-Tech Web Site Publishes Current Regulations This equipment complies with Part 68 of the Federal Communications Commission (FCC) rules. On the outside surface of this equipment is a label that contains, among other information, the FCC registration number and ringer equivalence number (REN).
  • Page 58 MT3334ZDX/V Owner's Manual If trouble is experienced with this equipment (the model of which is indicated below) please contact Multi-Tech Systems, Inc. at the address shown below for details of how to have repairs made. If the equipment is causing harm to the telephone network, the telephone company may request you remove the equipment from the network until the problem is resolved.
  • Page 59 Appendices 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 when the equipment is operated in a residential installation.

  • Page 60: Canadian Limitations Notice

    MT3334ZDX/V Owner's Manual Canadian Limitations Notice Notice: The ringer equivalence number (REN) assigned to each terminal device provides an indication of the maximum number of terminals allowed to be connected to a telephone interface. The termination of a 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 61: Compliance With Babt Requirements

    Compliance with BABT Requirements Approved for connection to telecommunications system specified in the instructions for use subject to the conditions set out in them. Warning: Interconnection directly, or by way of other apparatus, of ports marked "SAFETY WARNING see instructions for use" with ports marked or not so marked may produce hazardous conditions on the network.

  • Page 62: Compliance With Bs6305 Clause 6.2, Bs6320 Clause 7.2, And Babt/Sits/82/005S/D

    MT3334ZDX/V Owner's Manual Compliance with BS6305 Clause 6.2, BS6320 Clause 7.2, and BABT/SITS/82/005S/D The modem is suitable for connection to the Public Switched Telephone Network (PSTN) provided by British Telecommunications plc or Kingston Communications (Hull) plc. Circuit supply by British Communications, Mercury Communication, or Hull City Council.

  • Page 63: Compliance With Bs6789: Section 3.1 And Part 2

    Compliance with BS6789: Section 3.1 and Part 2 The modem is not capable of allowing Auto Call using '999' or other PABX emergency numbers. Modes other than modes 1, 2, or 3 should not be used on the BT PSTN. This modem is a mode 1 device. Users are advised to check the numbers entered during the Auto Call set up phase prior to dialing.

  • Page 64: Modem Ce Mark Emc And Safety Compliance

    MT3334ZDX/V Owner's Manual Modem CE Mark EMC and Safety Compliance The CE mark is affixed to the enclosed Multi-Tech product to confirm compliance with the following European Community Directives: Council Directive 89/336/EEC of 3 May 1989 on the approximation of laws of Member States relating to electromagnetic compatibility;...

  • Page 65: New Zealand Telecom Warning Notice

    Appendices Call Attempts/Retries: Applications software shall be configured so that no more than 3 attempts are made to establish a connection to a given number (Note: if the modem can detect service tones, up to 10 attempts can be made). There must be at least 2 seconds between call attempts.

  • Page 66: Index

    MT3334ZDX/V Owner's Manual About CompuServe About the Multi-Tech BBS AGC Dynamic Range Answer ... 27 Answering Machine Capabilities ... 7 Asynchronous Communications Mode AT Commands ... 6 Attention Code ... 27 Auto Answer (S0) ... 36, 37, 38, 39, 40 Auxiliary Relay Control ...
  • Page 67 Compression, data CompuServe/Internet Connection ... 22 Connectors ... 55 Controls ... 55 Data ... 6 Carrier Detect (DCD) Control Compression ... 52 Compression Control Features ... 6 Format ... 52 Modulation ... 53 Data Rates (bps) Data Set Ready (DSR) Control Data Terminal Ready (DTR) Control Datacomm software DB-25 Connector...
  • Page 68 MT3334ZDX/V Owner's Manual Fall-forward ... 6 Fallback ... 6 ... 6, 7 Command set ... 7 Features ... 7 Transmission speeds Fax Modulation ... 53 Fax-Back Service ... 51 FCC Regulations ... 57 Flow Control ... 52 Flow Control ... 25...
  • Page 69 Leaving a Message LED Indicators ... 12 LEDs ... 19 Limited Warranty ... 46, 55 Line Feed Character (S4) Load Factory Default Settings Logging on to the BBS Long Space Disconnect Losing Data ... 25 MNP 5 ... 25 Data compression MNP error correction Mode of Operation ...
  • Page 70 MT3334ZDX/V Owner's Manual Pause, Dialing ... 37 Power Requirements Power Supply ...10, 19 Protocol Result Code Protocols ... 25 Read Register Value Reading a Message Receive Data ... 12 Receiver Sensitivity Repeat Last Command Result Code Selection Result Codes ... 22...
  • Page 71 Telephone line ... 5, 22 Terminal mode ... 20 Terse/Verbose ... 41 Result Code Format Test Commands ... 33 Testing ... 19, 22 Self-test ... 19 Tradename ... 52 Transmit Data ... 12 Transmit Level ... 54 UARTs ... 25 16550 ...

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