DMC11 IPL Microprocessor

This document is a preliminary maintenance manual for the DMC11-AD microprocessor (module M8200) used in the DMC11 network link. It provides technical details for installation, configuration, programming, and maintenance of the microprocessor and associated line unit modules (M8201/M8202). The manual includes information on address selection, interrupt vectors, device registers, and microprocessor operation under the DDCMP protocol. It also provides guidance for troubleshooting and using diagnostic tests to ensure proper system functionality.