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Junior Member
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引用:
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作者saiz
通不通電不代表是電源線啊..
網路線也能通電
USB傳輸線也能通電
這都要叫電源線?
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低功率是有這樣搞。
https://www.bluesoundprofessional.c...aming-speakers/
引用:
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PoE (Power over ethernet) is one of the most convenient innovations in network technology. Where normally two connections are made for networked devices; a network connection and a power connection; a PoE enabled device receives signal and electrical power through a single RJ45 ethernet cable connection.
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