Object is a brown box terminating in an edge connector. On the box is a screw driver selectable address from 0 to 15. At the other end is a 177 inch cable terminated in a round 48-pin connector. Handwritten white lablels read "MEDICAL / 19-22540", "VENTILATOR - when use3d with external 9835A Comp" and "JUMPERS: 4, 8, B, E, F". A white label on the connector reads "VENTILATOR".