DZQ11

This document provides maintenance and installation procedures for the DZQ11 asynchronous multiplexer for both MicroVAX and PDP-11 systems. It includes:

• Jumper and Switch Layouts: Details for setting device addresses, vectors, and break responses.
• Installation Procedures: Step-by-step guides for hardware installation and initial system checks.
• Test Configurations: Diagnostic setups for various operational scenarios.
• Troubleshooting: Flowcharts to assist in diagnosing and correcting communication issues.
• Diagnostic Software: A list of relevant diagnostic programs for both system types.