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About Us

At R.E.Smith Inc. we engineer and manufacture a comprehensive line of isolated and  non-isolated converters, repeaters, hubs, fiber optic based products,  and I/O boards. All are designed, built, tested, and shipped from our  facility in the Greater Cincinnati Ohio area. We ship small quantities, of most products, from stock the same day, and larger quantities in a few business days.

We listen to you. We are customer driven. All our products have evolved and improved due to feedback and suggestions from our world-wide customer base. Our products are being used at the South Pole, at the  bottom of the sea, at the edge of space, and everywhere in between.  Typical uses are very large networks, monitor and control of  elevators, machinery, lighting, security, fire and alarm, access,  cameras, military ground support, and much more. We provide free  support, no-argument warranty repairs, and recommendations for your  application. Challenge us with your communications problem. If your  system keeps "blowing up", failing, or is unreliable, we have isolated, doubly isolated, noise resistant, cost effective, and  proven solutions for difficult environments.

You can contact us at: or by phone at +1-513-874-4796.

We are located at:
10330 Chester Rd.
Cincinnati, OH 45215