Furuno AIS Transponder FA-100, Connection to PC
On the backside of the FA100 unit there is an DB9 (9-pin) connector marked "Extra I/O". It uses pin1 and pin2 for data transmission, which have to be connected to pin2 and pin5 respectively of the serial port of the PC (9-pin RS-232 port).
Alternatively, Furuno proposes the cabling displayed on the two following figures:
Furuno AIS Transponder FA-150
On the backside of the FA150 unit there is an DB9 (9-pin) connector marked "PC". A conventional serial cable (RS-232) must be used to connect it to the serial port of a PC.