RK05-H EngrDrws Apr77

This document is a collection of Engineering Drawings and associated technical documentation for the Digital Equipment Corporation (DEC) RK05-H, RK05-HA, RK05-HB, and RK05-HC peripheral units.

Dating from the mid-1970s (specifically 1974-1977, as indicated by various copyrights), the document primarily serves as a "Field Maintenance Print Set" and provides detailed specifications and instructions for the "Unit Select Switch" and the "DEC Pack Index and Sector" (M7680 module).

The contents include:

• Drawing Directories: Listing all included drawings by variation and title.
• Mechanical Drawings: Detailed views and dimensions of components like the front panel, unit select switch assembly, and thumbwheel switch bracket.
• Electrical Schematics: Circuit diagrams for the DEC Pack Index and Sector module.
• Assembly and Cabling Diagrams: Instructions for component placement, wiring, and modifications.
• Parts Lists: Comprehensive inventories of electronic and mechanical components.
• Decal Designs: Specifications for product labeling.
• Wire Tables: Details for cable assemblies.

The document emphasizes its proprietary nature to Digital Equipment Corporation and is intended for information purposes related to the manufacture, sale, and particularly the maintenance and service of these RK05-H components.