Provider of power supply and power conversion products and services to telecom service providers and enterprise customers. The company's products include custom power solutions, DC-DC converters, filter modules, front-end AC-DC rectifier solutions, heat sinks, indoor and outdoor power, converters, product range charts, shelf-level power, and telecom power systems. It serves various markets and applications, including wireless infrastructure, telecom switching, optical, access/transport, enterprise networking, servers, storage, industrial, and test and measurement.