The module consists of a printed circuit board with various components, surrounded by an aluminum frame and Blue plasic 22 pin connector. At the end of the board opposite the connector there is a single toggle switch.
Date
1965 ca.
Manufacturer
Digital Equipment Corporation (DEC)
Identifying Numbers
Model number
4703C
Printed on the solder side at the insertion end.
Other number
4703
Handwritten in blue pencil on the side of the aluminum frame