PoEp with Add Power

AC or Battery

Add Power

Circuit

POE PS

V<51V

Vout 51V

•For 48V 250W power supply, maximum power for add power converter would be (52V-48V)*(500/48)=42W or about 9% of 500W PS cost

•However taken in account improved system efficiency, total cost of ownership would remain about the same

www.PowerDsine.com

PowerDsine Presentation

October 2005

Page 14

Image 14