RAD Data comm ASM-20 operation manual Preface

Preface

Foreword

This manual provides information on the technical characteristics, installation and operating instructions of ASM-20. The manual contains the following information:

Chapter 1. Introduction

describes ASM-20 and its applications, features, options, physical and functional descriptions and technical specifications.

Chapter 2. Installation

describes the information required to implement the mechanical and electrical installation of the ASM-20 standalone model, including the information for setting the jumpers and switches.

Chapter 3. Operation

describes the controls and indicators of ASM-20 and their functions. It introduces operation and self test procedures of ASM-20.

Chapter 4. Troubleshooting and Diagnostics

describes the procedures for performing system diagnostic tests for ASM-20.

Chapter 5. Card Cage Version

describes the card cage version of ASM-20.

Appendix A. Ethernet Interface

describes the IR-ETH for RAD modems, the different IR-ETH connector options, the Ethernet bridge specifications, and how to install and operate an Ethernet bridge.

Appendix B. IR-G.703 Codirectional Interface (64 kbps)

describes the IR-G.703 codirectional interface (64 kbps) and the EXT and INT/RCV modes.

Appendix C. IR-X.21B Interface Module

describes the IR-X.21B interface module, the connectors and pin assignments and the EXT and INT/RCV modes.

Appendix D. DTE Interface Connectors

describes the interface signal list (female connectors) pins and standard signal names.

Appendix E. Connection to RS-422

describes detailed information for connecting an ASM-20 (EIA 530) to a RS-422 (V.36) DTE.

Appendix F. Unit Case Assembly details installation into a 19” rack.