Filter
Top Products
PREFACE: ABOUT THIS GUIDE
DEFINITY Communications System
7400B Data Module
Page ii User’s Guide
outs, ASCII character set.
RELATED
DOCUMENTATION
Chapter 5: Troubleshooting. Describes procedures for
troubleshooting problems that may be encountered while
configuring and operating the 7400B Data Module.
Appendix A: AT Command Set. Contains an explanation of each
AT command accepted by the 7400B Data Module.
Appendix B: S-Registers. Contains an explanation of each S-
register used by the 7400B Data Module.
Appendix C: Application Notes. Contains notes on how to
configure some popular PC data communications software
packages for use with the 7400B Data Module, and provides a list
of application notes that describe how to administer specific AT&T
PBX systems for using the data module.
Appendix D: Quick-Reference Summaries. Contains quick-
reference summaries of AT commands, S-registers, result codes,
factory-default configuration settings, EIA-232-D connector pin-
A glossary and an index are provided at the rear of this guide.
The following is a list of other manuals that may provide helpful
information while installing and using the 7400B Data Module. Since
each user may have different equipment and software preferences or
availability, only generic titles are given for the manuals.
If you are using a terminal device other than a PC:
User's guide for your terminal device. You may need information
about the configuration and capabilities of your terminal device
from this manual during the installation and preliminary operation
of the 7400B Data Module.
If you are using a PC as your terminal:
reference for explanations of commands used by your PC to install,
User’s guide for Microsoft® MS-DOS®. You may need this
configure, and run your data communications software.
User's guide for your data communications software. You may need
this guide for information on how to configure your terminal
emulation software to access the 7400B Data Module.