Option and Module Designation List

This document, dated March 4, 1975, provides a detailed catalog of equipment designations and model numbers offered by Digital Equipment Corporation (DEC). It serves as a reference for identifying hardware, options, modules, and testers by their sorted model numbers.

Key Sections:

• Module/Option Identification: Explains the naming convention for equipment, distinguishing between old and new model number formats and defining the 'Variation' field.
• Manufacturing/Responsibility Codes: Defines the manufacturing area and responsible group for each device (e.g., COM for PDP-11 Communications, CSS for Special Systems).
• Status Codes: Provides definitions for device status ranging from 'Project Cancelled' (0) to 'Released to Production' (5) and 'Obsolete' (7).
• Glossary of Initials: Lists the engineers and managers associated with the device designations.
• Designated Equipment Lists: Detailed tables containing model numbers, engineering managers, design/production engineers, and descriptive specifications.