Tennessee Industrial Electronics - fanucworld.com - offers a wide range of FANUC Module I/O units. Our FANUC Module I/O inventory includes the A03B-08 family of I/O (A03B-0807, A03B-0815, A03B-0819, A03B-0801). New or refurbished FANUC Module I/O units come with a 1-Year Warranty. Save more with our core exchange program. We also offer FANUC Module I/O unit repair. All I/O units are thoroughly inspected and tested by certified repair technicians. Satisfaction is Guaranteed.