Line Register and Control M75I

This document is a technical schematic diagram for the Line Register and Control M75I (order number M75I-0-1), dated 1988 by Digital Equipment Corporation. The diagram outlines the logic gate interconnections, transistor/diode conversion charts, and includes a parts list specifying integrated circuits (DEC74H0N, DEC74H50N, DEC7401N, DEC7474N, DEC7400N), resistors, and capacitors used in the circuitry.