I/O Bus Terminator 4

This document is a technical schematic and parts list for the "I/O Bus Terminator 4" circuit board. The schematic details the electrical configuration of the board, which includes a series of resistors (1.5K and 100 ohms), diodes (D662), and capacitors (3.9pF and 0.01uF). The diagram illustrates the connections for these components, including multiple test points and terminal assignments labeled A through V. The document also includes a complete parts list identifying the specific DEC part numbers for the components used on the board.