75W DC 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 DC power supply works with the Tripp Lite N785-CH12 media converter chassis to provide primary or redundant power. The N785-CH12 comes with a pre-installed AC power supply, but you can swap it out for the N785-CH75W-DC if you prefer DC power. This DC power supply can be used with any DC power source up to 48V 3A. A second DC power supply is also recommended to provide redundant power that helps prevent unwanted and expensive downtime. Note: Only one type of power supply should be used with the N785-CH12. Do not mix DC and AC power supplies.