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Key terms: power poe dc ieee cable pd device pairs pse switch mode usb cisco supply pins requires phones tia voltage power over ethernet mains wiring lan implement wireless v dc gigabit powered device connector ac power polarity access point mode b dc supply ip phones power line one side two pairs network switch spare pairs frequencies ethernet switch power sourcing equipment original poe power supply direct current configurations cabling standard data transmission wireless access point Search external links cited by footnotes on Wikipedia page Power over Ethernet: |
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