Manuale d’uso / di manutenzione del prodotto MT3334ZDX del fabbricante Multi-Tech Systems
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Models MT3334ZDX and MT3334ZDXV Data/Fax Modem Data/Fax/Voice Modem Owner's Manual (User Guide).
User Guide S000343A Revision A Models MT3334ZDX and MT3334ZDXV 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 © 1997 -2004 , by Multi-Tech Systems, Inc.
Contents Chapter 1 - Introduction and Description Introduction .................................................................................................................... 5 Requirements ........................................................
Chapter 4 - Modem T esting Local Analog Loopback T est/V .54 Loop 3 .................................................................. 4 2 Digital Loopback T est/V .54 Loop 2 (Local/Manual) ................................................... 4 3 Digital Loopback T est/V .
1 - Introduction and Description 5 Chapter 1 - Introduction and Description Introduction Welcome to the world of data communications. You have acquired one of the finest intelligent data/fax modems available today, the MultiModemZDX, from Multi-Tech Systems.
MT3334ZDX/V Owner's Manual 6 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.
1 - Introduction and Description 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.
MT3334ZDX/V Owner's Manual 8 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.
2 - Installation 9 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.
MT3334ZDX/V Owner's Manual 10 To install your MultiModemZDX: 1. 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.
2 - Installation 11 ✳ # Figure 2-2. MultiModemZDX Connections.
MT3334ZDX/V Owner's Manual 12 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). Figure 2-3. Front Panel TD Transmit Data.
2 - Installation 13 CD Carrier Detect. This LED lights when a valid carrier signal from another modem is detected. 33 V.34. This LED is lit when the modem is connected in V.34 mode at 33,600 bps. 14 V.32 bis . This LED is lit when the modem is connected in V.
MT3334ZDX/V Owner's Manual 14 TR 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.
2 - Installation 15 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 applica.
MT3334ZDX/V Owner's Manual 16 Remote Configuration The Remote Configuration feature is a network management tool that allows you to configure modems remotely. This means you could configure modems anywhere in your network from one location without having to visit the sites or rely on remote users to follow your instructions.
2 - Installation 17 Software Configuration Communications software must be configured to work with the MultiModemZDX, your computer, and the remote system it is calling.
MT3334ZDX/V Owner's Manual 18 Hardware/Software Confirmation To confirm that your modem (hardware) and communications package (software) is working properly: 1.
2 - Installation 19 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.
MT3334ZDX/V Owner's Manual 20 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.
2 - Installation 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.
MT3334ZDX/V Owner's Manual 22 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.
2 - Installation 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.
MT3334ZDX/V Owner's Manual 24 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.
2 - Installation 25 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.
MT3334ZDX/V Owner's Manual 26 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.
3 - AT Commands, S-Registers and Result Codes 27 Chapter 3 - AT Commands, S-Registers and Result Codes Command Summary This section summarizes your modem’s AT commands, S-Registers and Result codes. Command: AT Attention Code Values: n/a Description: The attention code precedes all command lines except A/ and the escape sequence.
MT3334ZDX/V Owner's Manual 28 Command: D s Dial Values: s = dial string (phone number and dial modifiers) Default: none Description: Dial telephone number s , where s may be up to 40 characters l.
3 - AT Commands, S-Registers and Result Codes 29 Command: F n Echo Online Data Characters Values: n = 1 Default: 1 Description: F0 Enable online data character echo. (Not supported.) F1 Disable online data character echo (included for backward compatibility with some software).
MT3334ZDX/V Owner's Manual 30 Command: N n Modulation Handshake Values: n = 0 or 1 Default: 1 Description: N0 Modem performs handshake only at communication standard specified by S37 and the B command. N1 Modem begins handshake at communication standard specified by S37 and the B command.
3 - AT Commands, S-Registers and Result Codes 31 Command: X n Result Code Selection Values: n = 0–4 Default: 4 Description: X0 Basic Result Codes ( e.g., CONNECT ); does not look for dial tone or busy signal. X1 Extended Result Codes ( CONNECT 33600 V42bis , etc.
MT3334ZDX/V Owner's Manual 32 Command: &D n Data Terminal Ready (DTR) Control Values: n = 0, 1, 2, or 3 Default: 2 Description: &D0 Modem ignores the true status of the DTR signal and responds as if it is always on. &D1 When DTR drops while in online data mode, the modem enters command mode, issues an OK, and remains connected.
3 - AT Commands, S-Registers and Result Codes 33 Command: &Q n Asynchronous Communications Mode Values: n = 0, 5, or 6 Defaults: 5 Description: &Q0 Asynchronous with data buffering. Same as N0 . &Q5 Error control with data buffering. Same as N3 .
MT3334ZDX/V Owner's Manual 34 Command: K n Set Break Control Values: n = 5 Default: 5 Description: K5 Modem sends break signal received from the DTE to the remote modem. Command: N n Error Correction Mode Selection Values: n = 0–5 Default: 3 Description: N0 Non-error correction mode with data buffering (same as &Q6 ).
3 - AT Commands, S-Registers and Result Codes 35 Command: $MB Modem Baud Rate Values: n = speed Default: 33600 Description: $MB75 Selects CCITT V.23 mode. $MB300 Selects 300 bps on-line. $MB1200 Selects 1200 bps on-line. $MB2400 Selects 2400 bps on-line.
MT3334ZDX/V Owner's Manual 36 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 ( = ).
3 - AT Commands, S-Registers and Result Codes 37 Register: S5 Unit: decimal Range: 0-32, 33-127 Default: 8(^H) Description: Sets ASCII code for the backspacecharacter.
MT3334ZDX/V Owner's Manual 38 Register: S11 Unit: 1 ms Range: 50-150 Default: 95 Description: Sets spacing and duration of dialing tones. Register: S28 Unit: decimal Range: 0, 1-255 Default: 1 Description: 0 disables, 1–255 enables V.34 modulation.
3 - AT Commands, S-Registers and Result Codes 39 Register: S37 Unit: decimal Range: 0-19 Default: 0 Description: Sets the maximum dial line rate. 0 = maximum modem speed 1 = reserved 2 = 1200/75 bps 3.
MT3334ZDX/V Owner's Manual 40 Register: S48 Unit: decimal Range: 7 or 128 Default: 7 Description: The following chart lists the S36 and S48 configuration settings necessary to negotiate certain types of connections.
3 - AT Commands, S-Registers and Result Codes 41 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").
MT3334ZDX/V Owner's Manual 42 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.
4 - Testing Your Modem 43 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.
MT3334ZDX/V Owner's Manual 44 Figure 4-2. Digital Loopback Test(local/manual) 6. 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.
4 - Testing Your Modem 45 5. 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.
MT3334ZDX/V Owner's Manual 46 Chapter 5 - Service, Warranty and Tech Support See New Warranty Policy - Multi-Tech Web Site This chapter starts out with statements about your modem's 10-year warranty (limited to customers in the U.S., Canada, Mexico and the United Kingdom).
5 - Service, Warranty and Tech Support 47 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.
MT3334ZDX/V Owner's Manual 48 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.
5 - Service, Warranty and Tech Support 49 About the Multi-Tech BBS - No Longer Available Multi-Tech Systems maintains a Bulletin Board Service ( BBS ) for its customers.
MT3334ZDX/V Owner's Manual 50 6. 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.
5 - Service, Warranty and Tech Support 51 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.
MT3334ZDX/V Owner's Manual 52 Appendix A - Technical Specifications Your MultiModemZDX meets the following specifications: Tradename MultiModemZDX Model Numbers MT3334ZDX, and MT3334ZDXV Data Rat.
Appendices 53 Intelligent Features Automatic or manual dialing, Automatic or manual answer, Microprocessor- controlled, remote configuration, EIA extended Automode, adaptive line probing, automatic sy.
MT3334ZDX/V Owner's Manual 54 Carrier Frequencies Transmit Originate: 1200 Hz 2400 & 1200 bps Transmit Answer: 2400 Hz (V.22bis/V.22) Receive Originate: 2400 Hz Receive Answer: 1200 Hz Carrier Frequencies V.
Appendices 55 Interface EIA RS232C/CCITT V.24 Connectors DB25 ( RS232C ) connector; Two RJ11 modular phone jack: for line, and telephone set, power jack.
MT3334ZDX/V Owner's Manual 56 Appendix B - Tone Dial Frequencies Hz Digits 697 770 852 941 Hz 1209 1336 1477 1633 1 2 3 A 4 5 6 B 7 8 9 C 0#D * The tone-dialing method combines two frequencies for each of the twelve digits found on a Touch Tone dial pad.
Appendices 57 Appendix C - Regulatory Information - See Web Site Multi-Tech Web Site Publishes Current Regulations 1. This equipment complies with Part 68 of the Federal Communications Commission (FCC) rules.
MT3334ZDX/V Owner's Manual 58 6. If trouble is experienced with this equipment (the model of which is indicated below) please contact Multi-Tech Systems, Inc.
Appendices 59 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.
MT3334ZDX/V Owner's Manual 60 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.
Appendices 61 Compliance with BABT Requirements Approved for connection to telecommunications system specified in the instructions for use subject to the conditions set out in them.
MT3334ZDX/V Owner's Manual 62 Compliance with BS6305 Clause 6.2, BS6320 Clause 7.2, and BABT/SITS/82/005S/D a. The modem is suitable for connection to the Public Switched Telephone Network (PSTN) provided by British Telecommunications plc or Kingston Communications (Hull) plc.
Appendices 63 Compliance with BS6789: Section 3.1 and Part 2 a. The modem is not capable of allowing Auto Call using '999' or other PABX emergency numbers. b. Modes other than modes 1, 2, or 3 should not be used on the BT PSTN. This modem is a mode 1 device.
MT3334ZDX/V Owner's Manual 64 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 Directi.
Appendices 65 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.
MT3334ZDX/V Owner's Manual 66 Index A About CompuServe ................................................................. 51 About the Multi-T ech BBS ........................................................ 49 AGC Dynamic Range ..................
Index 67 Compression, data .................................................................... 6 CompuServe/Internet .............................................................. 51 Connection ........................................................
MT3334ZDX/V Owner's Manual 68 F Fall-forward ................................................................................ 6 Fallback ..................................................................................... 6 Fax .................
Index 69 L Leaving a Message ................................................................. 50 LED Indicators ......................................................................... 12 LEDs ........................................................
MT3334ZDX/V Owner's Manual 70 P Pause, Dialing ......................................................................... 37 Power Requirements ............................................................... 55 Power Supply .......................
Index 71 T T elephone line ..................................................................... 5, 22 T erminal mode ......................................................................... 20 T erse/V erbose ........................................
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Multi-Tech Systems MT3334ZDX è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Multi-Tech Systems MT3334ZDX - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Multi-Tech Systems MT3334ZDX imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Multi-Tech Systems MT3334ZDX ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Multi-Tech Systems MT3334ZDX, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Multi-Tech Systems MT3334ZDX.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Multi-Tech Systems MT3334ZDX. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Multi-Tech Systems MT3334ZDX insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
