Found in corner to the right of blue pinned inerface with hinged clamps on either side
In corner of blue pinned inerface
overall: 5 1/4 in x 5 in
This is a circuit board with a printed copper circuit. At one end is a blue plastic pinned interface with a hinged clip. "HI. PHYSIKALISCHES INSTITUT LEHRSTUHL B T.H. AACHEN" is printed in copper to the lower right of the clip. The letter "G" is printed in red three times. On the reverse side are soldered joints which attach to the pins on the obverse face. "Cable Connector card" is printed at the top left edge of the board.