time：2025-06-24 09:01:42 Smart Hardware
Does the POE power supply require a switcher?
Some devices have a POE function, that is, they can use two pairs of four wires of twisted pair 4, 5 and 7 and 8 to supply power, of which pins 4 and 5 are connected to the positive pole and pin 8 are connected to the negative pole. To use the PoE feature, a dedicated PoE switch must be used.
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