Data Multiplexer

This instruction manual details the operation, interface, power requirements, and maintenance procedures for the DM01 Data Multiplexer. The DM01 is a switching device that connects the PDP-8 to a maximum of seven high-speed peripheral devices—such as magnetic tape systems, drum memories, and CRT displays—that utilize the PDP-8 data break facility. The document includes logic operation descriptions, interface connector details, preventive and corrective maintenance guidelines, and extensive schematic diagrams for all modules used in the unit.