12 Bit Digital I/O (DR8-EA)

This document package provides the technical specifications, assembly details, and accessory listings for the Digital Equipment Corporation 12-Bit Digital I/O system (DR8-EA).

Key components of the documentation include:

• Master Drawing List: A summary table listing the engineering specifications, acceptance specifications, accessory lists, and assembly details for the DR8-EA unit.
• Parts List: Detailed breakdowns for the M863 12-bit buffered digital I/O module and associated cabling.
• Engineering Schematics: Detailed circuit diagrams for the 12-channel buffered I/O, including integrated circuit layouts, wiring, and logical signal flows.
• Accessory List: An inventory of required components for the system, including the M863 module, various I/O cables, diagnostic tapes, and user/maintenance manuals.