DELQA

This document is a user's guide for the DELQA module, a communications option that connects a Q-bus to an Ethernet local area network (LAN). It provides instructions on how to install, program, and maintain the DELQA module. The guide covers various aspects, including:

• Introduction to Ethernet and the DELQA module: Explains Ethernet architecture, its layers, and the DELQA's functions within this framework.
• Installation procedures: Details unpacking, checking requirements, installing the module, and performing post-installation tests.
• Programming the DELQA: Covers register definitions, data transfer procedures, configuration, control, and Maintenance Operations Protocol (MOP) support.
• Maintenance: Outlines the maintenance philosophy, self-tests, and diagnostic procedures for the DELQA.
• Appendices: Provides information on vector assignments, diagnostics, programming examples, and an index.

The guide is intended for first-time servicing, field-service support, and for customer engineers and programmers.