Preface
Objectives and Reader Assumptions
This manual describes how to install and operate the COMSPHEREr Model 3920Plus standalone and Model 3921Plus
How to Use This Manual
Chapter 1 provides technical specifications, information about the four 392xPlus models, the modem features, and the government requirements for using these modems.
Chapter 2 provides instructions for installing the 392xPlus modems.
Chapter 3 provides the information required to operate the Model 3920Plus using the diagnostic control panel and the Model 3921Plus using the COMSPHERE 3000 Series Carrier's shared diagnostic control panel (SDCP).
Chapter 4 provides the information required to set configuration options in the 392xPlus modems using the modem's diagnostic control panel.
Chapter 5 provides instructions for using AT commands and
Chapter 6 provides instructions for using the Dial Access Security feature.
Appendix A provides a menu tree for the 392xPlus modems.
Appendix B provides instructions for performing diagnostic tests when data communication problems occur.
Appendix C provides
Appendix D provides V.25bis dialing information.
Appendix E provides an ASCII translation chart.
Appendix F provides a list of all default configuration options available for the factory preset configurations.
Appendix G provides diagrams of sample configurations for the 392xPlus modems.
Appendix H provides an equipment list for the 392xPlus modems.
The Glossary provides a description of terms used throughout this manual.
November 1996 | vii |