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BA-Series
Intelligent Data/Fax Modem
User Guide
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User Guide 88312000 Revision A II MultiModem Models: MT2834BA/MT2834BAI MT1432BA/MT1432BAI/MT1432BA-Mac MT932BA/MT932BA 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 1999 ©, 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 fitnes
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Contents Chapter 1 - Introduction and Description 1.1 Introduction...................................................................................................................................... 8 1.2 How To Use This Manual ................................................................................................................. 8 1.3 Modem Features ............................................................................................................................. 10 1.3.1
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Chapter 4 - Manual Dial and Automatic Answer 4.1 Introduction...................................................................................................................................... 36 4.2 Dialing/On-Line/Answering .............................................................................................................. 36 4.3 Manual Call Origination ................................................................................................................... 37 4.4 Automa
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Chapter 8 - Modem Testing 8.1 Introduction...................................................................................................................................... 98 8.2 Local Analog Loopback Test/V.54 Loop 3 ........................................................................................ 99 8.3 Digital Loopback Test/V.54 Loop 2 (Local/Manual) .......................................................................... 100 8.4 Digital Loopback Test/V.54 Loop 2 (Remote/Automat
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Chapter 1 - Introduction and Description
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MultiModemBA User Guide 1.1 Introduction Welcome to the world of data communications. You have acquired one of the finest intelligent II desktop data/fax modems available today, the MultiModem BA series modem, from Multi-Tech Systems. This User Guide covers various models within the BA series, and unless otherwise noted, all content should be considered relevant to all models. Your MultiModem provides data communication at the following rates:
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Chapter 1 - Introduction and Description Chapter 5 - AT Command Mode Operation Chapter 5 may be the most important chapter of this manual. It begins with an introduction and discussion on Command Mode fundamentals. A flow chart is provided to illustrate Command Mode and On-Line Mode operation and the methods used in each mode. Next, there is a summary of the modem’s commands and responses. We then go into a detailed explanation of each modem command, providing examples where applicable. Chapter
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MultiModemBA User Guide 1.3 Modem Features The MultiModem BA Series modem connections can be made on Public Switched Telephone Networks (PSTNs) and/or point-to-point 2-wire telephone type circuits. Your modem offers interactive automatic dialing, as well as Command Mode option configuration. You may store up to ten command line/telephone numbers, of up to 60 characters each, in the modem’s nonvolatile memory. The modem pulse or tone dials, and recognizes dial tones and busy signals for reliable
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Chapter 1 - Introduction and Description 1.4 Fax Features Your modem meets the ITU V.17 standard for sending and receiving faxes. When linked to a compatible fax machine or modem, it can transmit faxes at 14,4 K bps. It also meets the ITU’s Group 3 Designation for sending and receiving faxes at 9600 bps; and Group 2 Designation for sending and receiving faxes at 4800 bps. The modem is also downward-compatible with modems to speeds as low as 300 bps, so it can send and receive faxes with any fax
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MultiModemBA User Guide 1.5 Technical Specifications Your data/fax modem meets the specifications listed below: IITM Tradename MultiModem Model Numbers 2834 Series: MT2834BA, MT2834BAI, MT2834BA-MAC 1432 Series: MT1432BA, MT1432BAI, MT1432BA-MAC 932 Series: MT932BA, MT932BAI, MT932BA-MAC Data Rates (modem) 2834 Series: 33,600, 31,200, 28,800, 26,400, 24,000, 21,600, 19,200, 16,800, 14,400, 12,000, 9600, 7200, 4800, 2400, 1200, 0-300 bps 1432 Series: 14,400, 12,000, 9600, 7200, 4800, 2400, 1200,
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Chapter 1 - Introduction and Description Data Compression All models: V.42bis, (4:1 throughput) or MNP 5 (2:1 throughput) data compression Speed Conversion 2834 Series: Serial port data rates adjustable to 300, 1200, 2400, 4800, 9600, 19,200, 38,400, 57,600 and 115,200 bps 1432 Series: Serial port data rates adjustable to 300, 1200, 2400, 4800, 9600, 19,200, 38,400, and 57,600 bps 932 Series: Serial port data rates adjustable to 300, 1200, 2400, 4800, 9600, 19,200, 38,400, and 38,400 bps Flow Co
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MultiModemBA User Guide Fax Carrier Frequencies All Models: V.21CH2 (Half Duplex) 1650Hz Mark, 1850Hz Space for Transmit Originate 1650Hz Mark, 1850Hz Space for Transmit Answer V.27ter 1800Hz Originate/Answer V.29 QAM 1700Hz Originate/Answer 2834 and 1432 Series: V.17 TCM 1800Hz Originate/Answer Carrier Frequencies 2834 Series: 1800 Hz V.32/V.32bis/V.34/Enhanced V.34--33.6K/31.2K/28.8K/ 26.4K/24K/21.6K/19.2K/16.8K/14.4K/12K/9.6K/7.2K/4.8K 1432 Series: 1800 Hz V.32/V.32bis/14.4K/12K/9.6K/4.8K 932
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Chapter 1 - Introduction and Description Receiver Sensitivity All models: -43 dBm under worst case conditions AGC Dynamic Range All models: 43 dB Interface All models: EIA RS-232C/ITU V.24 Connectors All models: One DB-25 RS-232C connector; two RJ11 for phone line/telephone set; power. Diagnostics All models: Power-on Self Test, Local Analog Loop, Local Digital Loop, Remote Digital Loop, Back-to-Back Test. Indicators All models: LEDs for Transmit Data, Receive Data, Carrier Detect, Speed Indicat
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MultiModemBA User Guide 1.6 Power Power is supplied through an AC power transformer terminated with a standard two-prong plug. The transformer supplies low voltage AC to the modem, and plugs into any conventional 115 volt AC, 60 Hz, two-prong power outlet (240 volts AC, 50Hz, .3 Amp for International modems). The power transformer supplied with the modem is the only one that should be used. Use of any other transformer could cause damage to the modem. A Power On/Off switch is located on the back
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Chapter 1 - Introduction and Description (24.0) 24,000 bps. (2834 models only). This LED is lit when the modem is connected at 24,000 bps. Note: if the modem falls back to 21.6K bps while in V.34 mode, both the 24.0 and 19.2 LEDs light. (19.2) 19,200 bps. (2834 models only) This LED is lit when the modem is connected at 19,200 bps. (14.4) 14,400 bps. (2834 and 1432 models only) This LED is lit when the modem is connected at 14,400 bps. Note: if the modem falls back to 12,000 bps while in V.32bis
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MultiModemBA User Guide 18
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Chapter 2 - Installation and Connection
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MADE IN U.S.A MultiModemBA User Guide 2.1 What is in Your Modem Package? Your MultiModem is made up of many components. Make sure you have them all before trying to operate your modem. $ &. ! " #$ %*
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Figure 2-1. Unpacking (MT2834BA shown) Your package should include: MT2834BA, MT1432BA or MT932BA data/fax modem RJ-11 telephone cord AC P
