4-Line Asynchronous Multiplexer Option

This document outlines the installation and configuration of the DZQ11-SF 4-line asynchronous multiplexer in a BA200-series microsystem enclosure. It covers:

• System Overview: Describes the DZQ11-SF module, including supported baud rates and modem control capabilities.
• Installation Preparation: Details unpacking, inspection of FCC and EOS clips, and necessary antistatic precautions.
• Configuration: Provides instructions for calculating power and bus load requirements using provided worksheets, and configuring the module via onboard switches (CSR address and interrupt vector).
• Installation: Step-by-step procedures for installing the module, handling blank covers and gap filler assemblies, and verifying bus continuity.
• Testing: Procedures for running diagnostic tests on MicroPDP-11 and MicroVAX systems using specific diagnostic media and software.
• Cable Connections: Instructions for connecting external serial devices.