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Why is a 48 Volt Power Supply Negative?

by | Jul 1, 2022 | 48v DC Knowledge / Understanding / Advice / Information | 0 comments

What are the benefits of a 48-volt power supply? It’s a good idea to use isolated power converters if you need to use a 48-volt power supply. Telecom equipment typically uses -48VDC. This is a standard for the US telecom industry. Virtually all networking equipment is DC powered. However, you can still use a DC-powered power supply for a variety of reasons.