75W AC power supply provides primary or redundant power to your media converter installation.Powers Your Tripp Lite N785-CH12 12-Port Media Converter ChassisThis 75-watt AC power supply works with the Tripp Lite N785-CH12 media converter chassis to provide redundant power that helps prevent unwanted and expensive downtime. One N785-CH75W-AC comes pre-installed with the N785-CH12 to provide primary power. An additional power supply is also recommended as a replacement part.