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New Low Cost Sparkfun PoE cable set?

Topic last updated 01 Aug 2011, by Gert van der Knokke. 1 reply
jim hamblen
01 Aug 2011

Has anyone tried this new Passive PoE Cable Set from Sparkfun to power mbed. The $5 price for a set sure seems attractive.

/media/uploads/4180_1/poe.jpg /media/uploads/4180_1/poe2.jpg
http://www.sparkfun.com/products/10759

"Each cable has a female RJ45 on one side which is adapted to a male RJ45 and 5.5x2.1mm barrel jack connector on the other side. The 'injector' cable has a female barrel jack connector and the 'splitter' cable has a male barrel jack. Simply attach the cables at each end of your network cable, plug the male barrel jack from the splitter into your target device and plug your power adapter into the injector."

Gert van der Knokke
01 Aug 2011

Just a note: These cables work by using the unused pairs of the cat5 cable (in 10/100 mode) for power. If you connect them to Gigabit network devices it will 'degrade' the network in between the adapters to 10/100 Still for mbed like 10/100 applications these are very nice.