M904

This document is a proprietary schematic from Digital Equipment Corporation, copyrighted 1968, intended for test and maintenance purposes.

It details the CONNECTOR (COAXIAL) M904, identified by part number M904-0-1 and currently at Revision C. The schematic provides a pinout diagram illustrating connections for two sets of coaxial lines (labeled A1 through T1, and C2 through V2), including ground connections (GND C1, GND C2). The diagram shows a common return path for many of the coaxial connections.

The document references a separate parts list (A-PL-M904-0-0) and indicates it was drawn and checked in July 1968. It also notes a "Printed Circuit Rev B" and the color "PINK", but includes an empty "Transistor & Diode Conversion Chart."