Preface; Objectives And Reader Assumptions; How To Use This Manual - Paradyne COMSPHERE 3821Plus User Manual

Objectives and Reader
Assumptions
This guide describes how to install the 3821Plus circuit
card and operate the 3821Plus modem. It is intended for
all users of the 3821Plus modem.
Each 3821Plus card comprises three modems. In
general this guide refers to the 3821Plus modem with
regard to operation and the 3821Plus card with regard to
installation. The term 3800Plus refers to all the modems
in the 3800Plus series, including the 3810Plus, 3811Plus,
3820Plus, 3821Plus, and 3825Plus.

How to Use This Manual

Chapter 1 provides information about 3821Plus
hardware and software features, including the front panel
and status indicators.
Chapter 2 provides instructions for installing the card,
selecting factory configuration options, recovering the
ability to use AT commands, and using AT command
initialization strings.
Chapter 3 shows the options menus available from the
Shared Diagnostic Control Panel (SDCP).
Chapter 4 provides instructions for displaying and
changing AT commands and S-registers. These commands
control all aspects of the modem's operation.
3821-A2-GB20-30

Preface

Chapter 5
modem operation.
Chapter 6
COMSPHERE modem to access and control a remote
3800Plus modem.
Chapter 7
3821Plus modem, including AT commands and SDCP
controls used to set security configuration options.
Appendix A
SDCP.
Appendix B
Appendix C
diagnostic tests when data communications problems
occur, and explains the Automatic Firmware Download
process.
Appendix D
3821Plus modem.
Appendix E
Appendix F
Appendix G
Appendix H
validity or default values vary according to country code.
The Glossary
throughout this guide.
February 1998
provides general information about fax
shows how to use the SDCP of a
describes the security features of the
shows the menu trees available from the
lists result codes produced by the modem.
provides instructions for performing
lists the technical specifications of the
provides cable pin assignments.
provides V.25bis dialing information.
provides an equipment list.
shows configuration options whose
provides a description of terms used
v