PowerDsine IEEE802.3 - Manual (Page 7)

PowerDsine Presentation October 2005 Page 7
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PoEp minimum voltage
„ 51V required smaller PSE power supply then at 44V, for the same
load.
„ The technical advantage is clear for using higher voltage minimum
voltage level for POEp PSE.
„ Let consider different options in PoEp Power architectures :
- AC input and battery back up
- AC UPS input