Fanuc A20B-0007-0045 replaced the earlier version Fanuc 6 I-O board. Still used within Fanuc 6, 6A controls in various 6M, 6T configs. This 96/64 PCB replaced the earlier board due to need by Fanuc to solve a lot of the reliability issues inherent of the A20B-0007-0040 IO board. DNC carry this board in stock exchange to save money, testing and repair of this i-o board on one of our many complete Fanuc 6 control system. Surplus A20B00070045 is possible stock permitting. Exchange and repair carry a 180 day warranty.