Delay Line S1311J System Building Block
Digital Equipment Corporation (DEC)
||Printed on the solder side of the board parallel to the connector on the opposite side
||Stamped into the front of the aluminum frame
overall: 1/2 in x 7 in x 4 1/2 in
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.