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Power Supplies

Power Supplies

Power supplies for CATV systems are used in the distribution plant to power the amplifiers and nodes that are part of the CATV system. The power supplies take the local electric power (117 VAC in the US) and step it down to either 60 VAC or 90 VAC which is what amplifiers are designed to operate on. The cable power supplies then by using a power inserter, put the 60 or 90 volt power on the cable system coax cable.