The object consists of a board with to large black delay lines, six resistor, and two capacitors, sorrounded by an aluminum frame and blue plastic 22 pin male connector.
Date
1963 ca.
Manufacturer
Digital Equipment Corporation (DEC)
Place Manufactured
Maynard, Mass.
Identifying Numbers
Model number
s1311J
Printed on the solder side of the board parallel to the connector on the opposite side