Fanuc A16B-1600-0080 Input Unit Board for the Fanuc Series 10 and 11 control system series. These psu pcb's are available today from DNC including: service exchange, full testing and repair services, and ex-stock surplus spares for outright sale of the A16B-1600-0080. They are also part of the I/P units with the following part numbers: A14B-0076-B001, A14B-0076-B104