Multi-Tech Systems BL-Series - Manual (Page 9)

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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 6 - S-Registers
Chapter 6 covers the modem's S-Registers, which enable the user to establish, read, and modify
various modem options. All of the S-Registers are charted and explained, followed by instructions on
accessing the S-Registers and reading or changing their values.
Chapter 7 - Callback and Remote Configuration
Chapter 7 documents instructions on how to operate the modem's Callback and Remote
Configuration features; and the usage of LOGIN Passwords, Set-Up Passwords and Remote Escape
Characters as network management tools.
Chapter 8 - Testing Your Modem
Chapter 8 covers the modem's built-in test features. These are: Power-on Self Test, Back-To-Back
Test, Local Analog Loopback, Digital Loopback and Remote Digital Loopback Tests. We have
included a description of each test and how to use each test procedure.
Chapter 9 - DIP-Switches
Chapter 9 covers the modem’s printed-circuit board options. Sixteen DIP-Switch settings and the
modem's speaker volume control are explained in detail, including all default settings.
Chapter 10 - Warranty, Service & Technical Support
Chapter 10 provides statements on your five-year warranty, instructions for getting modems serviced
at the factory, the procedure for downloading firmware upgrades via FlashROM, information about
Multi-Tech's Bulletin Board Service (BBS), a section on receiving technical support via the
CompuServe/Internet forums and information on Multi-Tech's Fax-Back Service.
Appendixes
There are also several appendices at the end of this manual, most of which repeat information
contained in the chapters, but in a more condensed form. These appendices can be used as a quick
reference.
Appendix A - Troubleshooting
Appendix B - ASCII/HEX/Decimal Conversion Chart
Appendix C - Pulse Dial and Tone-Dial Frequencies
Appendix D - AT Command Summary
Appendix E - DIP Switch Summary
Appendix F - S-Register Summary
Appendix G - Result Code Summary
Appendix H - V.25bis Operation
Appendix I - Cabling Diagrams
Appendix J - RS-232 Interface Specifications
Appendix K - Regulatory Information