Pdp-10 Bus Connector Board W851

This document is a technical schematic for the Digital Equipment Corporation PDP-10 Bus Connector Board (W851), dated 1967. The diagram details the electrical circuit, which utilizes transistors (Q1, Q2) and a large array of diodes (D1-D46) to manage signal distribution. The board is designed for input/output bus connections, indicated by the various labeled pins (GND, AC, BLU, RED, etc.). Additionally, the document includes a comprehensive parts list, specifying the required transistors, resistors, capacitors, and diodes, along with their respective electrical ratings and part numbers.