This document is a schematic diagram for a Resistor Terminator, model number M902-YA-1, created by Digital Equipment Corporation and copyrighted in 1970.
Key details:
- Purpose: It is explicitly stated that the schematic is for test and maintenance purposes only, and the circuits are proprietary.
- Circuit Description: The schematic illustrates a network of 18 resistors (R1 through R18) connected between two rows of labeled connection points (A1-T1 and C2-V2).
- Resistor Specifications: Unless otherwise indicated, all resistors are 470 Ohms, 1/4 Watt, and 5% tolerance.
- Revision: The printed circuit revision is A.
- Dates: The schematic was drawn and checked in October and November 1970.