EPS develops and manufactures a range of Rugged custom input/output interface boards, intelligent controller boards and audio boards. Rugged Input/Output boards are comprised of solid state and relay switches, spike protection and surge protection circuits. Intelligent controller boards are based on Atmel MCUs and Lattice CPLDs equipped with numerous isolated IOs, A2D inputs, Serial ports and additional specific functions. Audio boards are designed with Audio interfaces such as isolated Headset interfaces, Loudspeaker amplifier, and isolated 600 ohms Line interfaces. EPS provides flexible embedded real-time software, firmware and operational APIs. Depending on board type, the boards are equipped with robust Mil Circular and D-Type connectors, or 160 pin DIN type connectors. Boards are designed and tested for harsh environments with operating temperature range from -40°C to +80°C per Mil-Std 810.