Teletype Incoming Line Unit 4702 A system building block
Digital Equipment Corporation (DEC)
Printed on the solder side at the insertion end
Stamped into the face of the aluminum frame and handwritten on the side in blue pencil
overall: 1/2 in x 4 1/2 in x 14 in
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 micro switch. There is a green QC sticker on one side.