Indeed, DC with unknown polarity. The switching frequency of the rectifier is am... | Hacker News

Hacker Newsnew | past | comments | ask | show | jobs | submit

		eqvinox 58 days ago \| parent \| context \| favorite \| on: Power over Ethernet (PoE) basics and beyond Indeed, DC with unknown polarity. The switching frequency of the rectifier is amazingly low ;D

sodaclean 57 days ago [–]

For the cross over pairs?

Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact