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3F, Block 7, Tangtou 3rd Industrial Zone, Shiyan Street, Baoan District, Shenzhen, China

Zip: 518108

Phone: +86-755-26511956

Fax: +86-755-26511956-801

Cell: +86-17603067633

Web: www.optic-solutions.com

Email: optfocus005@optfocus.com

How many cores does the POE supply for the network cable?
Oct 23, 2017

Every two cores as a pole: 45+ and 78-,12+ and 36, 12- and 36+. The standard of Cat5 cable has four pairs of twisted pair, IEEE802.3AF POE power supply standard allows two types of wire sequence power supply: One is the transmission current on 4, 5, 7, 8 lines, and stipulates that 4, 5 are positive, 7, 8 is the cathode. Another kind of power supply is in 1, 2, 3, 6 line transmission power supply, polarity is arbitrary, 1, 2 is positive, 3, 6 is negative or 1, 2 is negative, 3, 6 is positive.