About This Document
viii Issue 2 November 1996
command interface and you are not using your 8400B Plus Data Modu le
with a PC communications package, you will need to familiarize yourself
with this chapter.
■Chapter 4, “Troubleshooting,” describes procedures for troubleshooting
problems that may be encountered while configuring and operating the
8400B Plus Data Module.
■Appendix A, “AT Command Set,” contains an explanation of each AT
command accepted by the 8400B Plus Data Module.
■Appendix B, “Dial Modifiers,” contains an explanation of each Dial
Modifier accepted by the 8400B Plus Data Module.
■Appendix C, “S-Registers,” contains an explanation of each S-register
used by the 8400B Plus Data Module.
■Appendix D, “Isolating Problems Using Loopback Data Tests,” provides
information on how to perform loopback tests and how to isolate
problems using the 8400B Plus Data Module.
■Appendix E, “Quick-Reference Summaries,” contains quick-reference
summaries of AT commands, S-registers, result codes, factory-default
configuration settings, EIA/TIA-574 pin-outs, and the ASCII character
set.
A glossary and an index are provided at the rear of this guide.