Page 2 - Revision; Patents; Trademarks
Developer’s Guide 88312201 Revision B ModemModule (Model MT3334SMI) This publication may not be reproduced, in whole or in part, without prior expressed written permission fromMulti-Tech Systems, Inc. All rights reserved. Copyright © 1999, by Multi-Tech Systems, Inc. Multi-Tech Systems, Inc. makes n...
Page 3 - iii; Contents
iii Contents Chapter 1 - Introduction and Description Introduction ....................................................................................................................................................... 6Product Description ...............................................................
Page 4 - iv; Appendixes
iv Appendixes Appendix A - Regulatory Agency Compliance ................................................................................................ 64 International Modem Restrictions ............................................................................................................. 6...
Page 5 - Chapter 1 - Introduction and Description
Page 6 - Introduction
ModemModule Developer’s Guide MT3334SMI 6 Introduction The MT3334SMI socket modem provides a fully-integrated data and fax communications design forcommunications over wide area networks using dial-up phone lines and the Internet. This guide provides the Service Class 1 standard defining the command...
Page 7 - Technical Specifications
Chapter 1 - Introduction and Description MT3334SMI 7 Technical Specifications The ModemModule meets the following specifications: Data Rates Client-to-Server DataComm: supports enhanced V.34 (33.6K), V.32bis (14.4K), V.32 (9600), V.22bis(2400), or slower speed connection for download speeds, and upl...
Page 9 - Physical Dimensions; Figure 1-2. MT3334SMI Physical Dimensions
Chapter 1 - Introduction and Description MT3334SMI 9 Physical Dimensions Figure 1-2 illustrates the the physical dimensions of the MT3334SMI. .020 ± .0002 SQUARE [0,51] .228 [5,8] .063 [1,6] .310 [7,87] .118 [3] MAXIMUM COMPONENT HEIGHT SOLDER SIDE .945 REF. [24] .062 [1,57] .354 [8,99] .050 [1,27] ...
Page 10 - Test/Demo Board Specifications
ModemModule Developer’s Guide MT3334SMI 10 Test/Demo Board Specifications The ModemModule Test/Demo Board kit includes a modem module, a power transformer for the testboard, and a diskette (this Developer ’s Guide manual, etc.). Figure 1-3 illustrates the demo/testboard and Figure 1-4 illustrates th...
Page 11 - Test/Demo Board Block Diagram
Chapter 1 - Introduction and Description MT3334SMI 11 Test/Demo Board Block Diagram Speaker DS1 Socket Modem Power Supply Power Switch Power Connector RJ-11 Connector DB-25 RS-232 LEDs Volume Control Tip/Ring Fuse Transceiver (RS-232) Figure 1-4. MT3334SMI Test/Demo Board Block Diagram
Page 13 - Typical Application; Figure 1-6. MT3334SMI Typical OEM Application
Chapter 1 - Introduction and Description MT3334SMI 13 Typical Application The table below shows the MT3334SMI pinouts and Figure 1-6 illustrates a typical OEM application. Pin # Circuit Type Signal Description Input/Output 1 RJ -11 Jack Tip Input/Output 2 RJ-11 Jack Ring Input/Output 26 External Cal...
Page 14 - MT3334SMI Design Considerations; Hardware Considerations
ModemModule Developer’s Guide MT3334SMI 14 MT3334SMI Design Considerations This section discusses hardware considerations, PC board layout considerations, and Telecomlabeling requirements. Hardware Considerations Disclaimer: Multi-Tech Systems makes no warranty claims for vendor product recommendati...
Page 15 - PC Board Layout Considerations; Calculating Z for Tip and Ring Traces; Er
Chapter 1 - Introduction and Description MT3334SMI 15 Safety: All creepages and clearances for the MT3334SMI have been designed to meet requirementsof safety standards EN60950 and IEC950. The requirements are based on a working voltage of250V. When the recommended DAA circuit interface is implemente...
Page 17 - Telecom Labeling Requirements
Chapter 1 - Introduction and Description MT3334SMI 17 Telecom Labeling Requirements FCC regulations require labeling of registered Telephone and Data Terminal Equipment inaccordance with Part 68 Subpart D. There are two options available for labeling of the devicecontaining the MT5634SM modem module...
Page 18 - Reregistration
ModemModule Developer’s Guide MT3334SMI 18 Reregistration (From Form 730 Application Guide Appendix C-2) http://www.fcc.gov/formpage.html Private label distributors may obtain a registration number in their own name. In this case, areregistration filing is made with the submission of Exhibit B, a co...
Page 19 - and Result Codes
Chapter 2 - AT Commands, S-Registers, and Result Codes
Page 20 - AT Command Summary
ModemModule Developer’s Guide MT3334SMI 20 Introduction The AT commands are used to control the operation of your modem. They are called AT commandsbecause 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 comman...
Page 30 - Result Codes; Terse
ModemModule Developer’s Guide MT3334SMI 30 Result Codes In command mode your modem can send responses called result codes to your computer. Resultcodes are used by communications programs and can also appear on your monitor. Terse Verbose Description 0 OK Command executed 1 CONNECT Modem connected t...
Page 31 - Chapter 3 - Class 1 Fax Commands
Page 32 - Class 1 Fax Command Summary; Command
ModemModule Developer’s Guide MT3334SMI 32 Introduction The Service Class 1 standard (EIA/TIA-578) defines the commands that a PC user may issue toconfigure and control a fax/data modem, and the responses (result codes) that the fax/data modemmay issue in response to those commands. The Class 1 stan...
Page 33 - Result Code
Chapter 3 - Class 1 Fax Commands MT3334SMI 33 Table 3-1. Fax MOD (Modulation) Parameter Values Value Modulation Speed (bps) Requirements 3 V.21 ch.2 300 required for +FTH & +FRH 24 V.27ter 2400 required for +FTM & +FRM 48 V.27ter 4800 required for +FTM & +FRM 72 V.29 7200 optional 73 V.1...
Page 37 - Flow Control
Chapter 3 - Class 1 Fax Commands MT3334SMI 37 Flow Control XON/XOFF flow control is used by the ModemModule to match the PC-to-modem data rate to theline signaling rate. XON/XOFF flow control is mandatory and RTS/CTS flow control is optional perthe Class 1 standard. There is currently no Class 1 com...
Page 41 - Chapter 4 - Class 2 Fax Commands
Page 42 - Class 2 Fax Command Implementation; FAX Auto Answer Enable
ModemModule Developer’s Guide MT3334SMI 42 Introduction This chapter provides fax software developers with specific Class 2 fax command protocolinformation to be used in development with Lucent L33xVCS modem chip set. It is assumed thatusers have an understanding of ITU-TSS T.30 and T.4 concepts. Th...
Page 43 - Data Bit Order Selection
Chapter 4 - Class 2 Fax Commands MT3334SMI 43 50 - 69 Transmit phase D hang-up codes 52: No response to MPS repeated 3 times53: Invalid response to MPS54: No response to EOP repeated 3 times55: Invalid response to EOP56: No response to EOM repeated 3 times57: Invalid response to EOM 70 - 89 Receive ...
Page 44 - Fax Capability Parameters
ModemModule Developer’s Guide MT3334SMI 44 +FDCC Fax Capability Parameters Command syntax: +FDCC=VR,RB,WD,LN,DF,EC,BF,ST Response syntax: VR,BR,WD,LN,DF,EC,BF,ST Valid values: VR: Vertical resolution0: Normal, 98 lpi1: Fine, 196 lpi BR: Bit rate0: 2400 bits/s V.27ter1: 4800 bits/s V.27ter2: 7200 bit...
Page 45 - Data Compression Format Conversion
Chapter 4 - Class 2 Fax Commands MT3334SMI 45 4: 12000 bits/s V.33 or V.175: 14400 bits/s V.33 or V.17 WD: Page width0: 1728 pixels in 215 mm LN: Page length0: A4, 297 mm2: Unlimited length DF: Data compression format0: 1-D modified Huffman EC: Error correction0: Disable ECM BF: Binary file transfer...
Page 46 - Begin or Continue Phase C Receive Data; Begin Phase C Data Transmission; Error Correction Mode Control
ModemModule Developer’s Guide MT3334SMI 46 DF: Data compression format.0: 1-D modified Huffman EC: Error correction.0: Disable ECM BF: Binary file transfer.0: Disable BFT ST: Scan time/line. VR = normal VR = Fine 0: 0 ms 0 ms 1: 5 ms 5 ms 2: 10 ms 5 ms 3: 10 ms 10 ms 4: 20 ms 10 ms 5: 20 ms 20 ms 6:...
Page 49 - Reports DIS Frame Information; For More Information
Chapter 4 - Class 2 Fax Commands MT3334SMI 49 +FDIS Reports DIS Frame Information Syntax: +FDIS:VR,BR,WD,LN,DF,EC,BF,ST Usage: Reports remote FAX capabilities and intentions. The subparameters are described inthe +FDCS command description. +FET Post Page Message Response Syntax: +FET:<ppm> Usa...
Page 51 - Chapter 5 - Remote Configuration
Page 52 - Setup; Changing the Setup Password
ModemModule User Guide MT3334SMI 52 Introduction Remote configuration is a network management tool that allows you to configure modems anywherein your network from one location. With password-protected remote configuration, you can issue ATcommands to a remote MT3334SMI for maintenance or troublesho...
Page 53 - Changing the Remote Escape Character; Save the new value by typing AT&W and pressing ENTER.
Chapter 5 - Remote Configuration MT3334SMI 53 Changing the Remote Escape Character To increase security, you can change a remote modem’s remote configuration escape character. Theremote configuration escape character is stored in register S9. The factory default is 37, which is theASCII code for the...
Page 55 - Chapter 6 - Troubleshooting
Page 56 - Note: All loopback tests operate at all speeds except 300 bps.; Test procedure
ModemModule Developer’s Guide MT3334SMI 56 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 loopback, remote digital loopback, andlocal digital loopback. These ITU-T V.54 loopback tes...
Page 57 - Arrange to have &T6 set on the remote test modem.
Chapter 6 - Troubleshooting MT3334SMI 57 6. Your modem passes this test if the data received on your monitor are the same as the dataentered from your keyboard. If different data appear on your monitor, your modem is probablycausing the problem, though it could also be your computer. If your modem p...
Page 58 - Test Procedure
ModemModule Developer’s Guide MT3334SMI 58 Local Digital Loopback Test (V.54 Loop 2) The local digital loopback test is identical to the remote digital loopback test with one exception.Instead of using your modem to signal a remote modem to place itself in digital loopback mode, yourmodem is placed ...
Page 59 - Chapter 7 - Upgrade Procedure
Page 60 - Step 1: Identify the Modem Firmware
ModemModule Developer’s Guide MT3334SMI 60 Introduction Your ModemModule is controlled by semi-permanent firmware that is stored in flash memory.Firmware is nonvolatile; it remains stored in memory when the modem is turned off. However, it canbe changed by either the manufacturer or the user as bugs...
Page 61 - Step 3: Download the Upgrade File
Chapter 7 - Upgrade Procedure MT3334SMI 61 Multi-Tech BBS 1. Run your favorite terminal program and dial in to the Multi-Tech BBS at 800-392-2432 (NorthAmerica) or 612-785-3702 (local and international). If you followed the download test in the QuickStart chapter, your terminal program should alread...
Page 62 - Step 4: Extract the Upgrade Files; Step 6: Use FlashPro to Upgrade Modem Firmware
ModemModule Developer’s Guide MT3334SMI 62 Step 4: Extract the Upgrade Files 1. Move the downloaded upgrade file to a temporary directory or folder on your hard disk. 2. The file is a self-extracting archive. Extract the files by typing the upgrade file name in DOS ordouble-clicking it in Windows. T...
Page 64 - Appendix A - Regulatory Agency Compliance
ModemModule Developer’s Guide MT3334SMI 64 Appendix A - Regulatory Agency Compliance FCC Regulations for Telephone Line Interconnection 1. 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, amon...
Page 65 - Canadian Limitations Notice:; International Modem Restrictions
Appendixes MT3334SMI 65 Canadian Limitations Notice: NOTICE: The Industry Canada label identifies certified equipment. This certification means that theequipment meets certain telecommunications network protective, operational and safetyrequirements. The Industry Canada label does not guarantee the ...
Page 66 - EMC, Safety and Terminal Directive Compliance
ModemModule Developer’s Guide MT3334SMI 66 EMC, Safety and Terminal Directive Compliance The CE mark is affixed to this product to confirm compliance with the following European CommunityDirectives: Council Directive 89/336/EEC of 3 May 1989 on the approximation of the laws of Member Statesrelating ...
Page 67 - Appendix B - Multi-Tech Flash Programming Protocol; Programming the Modem; Handshake Sequence
Appendixes MT3334SMI 67 Appendix B - Multi-Tech Flash Programming Protocol Introduction This appendix describes the protocol by which the modems are flash programmed. The information in this section is provided for the exclusive use of the users of modems by Multi-TechSystems, Inc. Such users have t...
Page 68 - Program Sequence; Other supported boot code commands
ModemModule Developer’s Guide MT3334SMI 68 Program Sequence DTE Modem Comments ATFLP\r Request to the modem to program G Modem is ready for next program packet [Length High] High byte of data packet length [Length Low] Low byte of data packet lengthPacket lengths can be up to 4096 bytes in size form...
Page 69 - Intel Hex Format; Data Record
Appendixes MT3334SMI 69 3.3. The packets sent to the modem must be presorted by address and aligned on 128 byteboundaries (ie. each packet must start on an address that is a multiple of 128). 3.4. The packets should also be a minimum of 128 bytes with the non-programmed bytes set tothe hex value of ...
Page 70 - Extended Address Record
ModemModule Developer’s Guide MT3334SMI 70 Extended Address Record Char Pos Field Type Value Description 1 Record Start “:” 2-3 Data Byte Count “02 Always 2 bytes for this record type 4-7 Address “0000” Not used for this record type (must be zero) 8-9 Record Type “02” Extended Address Record 10-13 E...
Page 71 - Index
MT3334SM 71 Index Index A Abort timer ............................................................. 28Analog loopback test ............................................. 56Answer command ................................................. 20Asynchronous Communications Mode command . 24AT Command Contro...
