ASSY number printed in white on the component side along the edge.
Etched in solder at the extraction edge of the board on the circuit side
TYP 2 0684
Etched in solder on the circuit side of the board
overall: 1/2 in x 4 1/2 in x 6 7/8 in
There is a black plastic connector at one end of the board and flat insertion pins at the other. On one side there are various integrated circuits, two of which have orange stickers on them, and other passive components. There is one square white inspection stamp on the solder side.