[Soekris] net4521 and 802.3af power over ethernet standard

[Demarc]

Fred

Only the port on the right is POE (Ethernet facing down), also while the board support the 802.3af standard you do not need to
follow it top power the board. Using a simple DC injector will work also like ours:
http://www.demarctech.com/products/reliawave-poe/reliawave-dc-injector.html

Pins 4/5 +, Pins 7/8 -

Sincerely,  Tony Morella 
Demarc Technology Group, A Wireless Solution Provider 
Office: 908-996-7995 Fax: 908-847-0202
http://www.demarctech.com 

> I am looking for some info on the 802.3af PoE standard, specifically 
> how I might use this with a Soekris net4521.  Does this standard mean 
> that one or both Ethernet ports onboard the net4521 will accept DC 
> voltage on the spare pairs, in place of using a standard AC adapter 
> connection?  I am familiar with constructing homebrew PoE setups, is 
> there a wiring diagram available online that will detail which pairs 
> should be wired for which polarity?
> 
> Later,
> Fred
> 
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