User Guide Data/Fax Modems MT2834BA/MT2834BL

Contents
Chapter 1 - Introduction and Description......................................................................... 5
1.1 Introduction...................................................................................................................................... 6
1.2 How To Use This Manual................................................................................................................. 6
1.3 Modem Features ............................................................................................................................. 7
1.3.1 MT2834BA/BL Series Features ...............................................................................................8
1.4 Fax Features ................................................................................................................................... 8
1.5 Technical Specifications .................................................................................................................. 9
1.6 Power .............................................................................................................................................. 10
1.7 Modem LED Indicators .................................................................................................................... 11
1.8 Controls on PC Board ..................................................................................................................... 12
Chapter 2 - Installation and Connection......................................................................... 13
2.1 What Is in Your Modem Package? .................................................................................................. 14
2.2 Installation ....................................................................................................................................... 14
2.2.1 Safety Warnings ........................................................................................................................ 14
2.2.2 Installation Procedure ............................................................................................................... 14
2.3 Installing PhoneTools, the Data Communications Software ............................................................ 16
2.4 Is Your Modem Ready for Use? ...................................................................................................... 16
Chapter 3 - Software Configuration and Modem Basics .............................................. 17
3.1 Introduction...................................................................................................................................... 18
3.2 Configuring Your Software............................................................................................................... 18
3.2.1 ConfiguringSoftware for Your Modem ....................................................................................... 18
3.3 PC Initialization Strings ................................................................................................................... 18
3.3.1 Changing Default Parameters................................................................................................... 19
3.3.2 Other Parameters ..................................................................................................................... 19
3.4 Configuring Software for Your Computer ......................................................................................... 19
3.5 Modem Basics................................................................................................................................. 20
3.5.1 Simple Operations .................................................................................................................... 20
3.6 The Answer/Originate - Voice/Data Toggle Switch .......................................................................... 20
Chapter 4 - Manual Dial and Automatic Answer ............................................................ 21
4.1 Introduction...................................................................................................................................... 22
4.2 Dialing/On-Line/Answering .............................................................................................................. 22
4.3 Automatic Leased Line Restoral Operation .....................................................................................23
4.4 Manual Dial Backup Call Termination .............................................................................................. 23
4.5 Dial Backup and Leased Line Restoral ........................................................................................... 23
4.6 Dial-Up Operation............................................................................................................................ 24
4.7 Manual Call Origination ................................................................................................................... 24
4.8 Automatic Answering ....................................................................................................................... 25
4.9 Manual Answering ........................................................................................................................... 25
4.10 Handshaking Details ....................................................................................................................... 26
4.11 Call Termination ............................................................................................................................... 26
Chapter 5 - Command Mode............................................................................................ 27
5.1 Introduction...................................................................................................................................... 28
5.1.1 AT Command Editing ................................................................................................................ 28
5.1.2 Functional Modes...................................................................................................................... 28
5.2 Summary of AT Commands............................................................................................................ 29
5.3 Result Codes ................................................................................................................................... 32
5.4 Dialing Commands .......................................................................................................................... 33