PowerDsine IEEE802.3 manual PoEp minimum voltage

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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

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PowerDsine Presentation

October 2005

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Contents Vancouver BC, November Part a Objectives HP POE voltage range PoEp minimum voltage 44V 51V Pd power PoEp minimum voltage PoEp Power Architecture-AC Input PoEp Power Architecture-AC Input HP POE Power Architecture-AC Input PoEp Power Architecture-AC UPS PoEp Power Architecture-AC UPS PoEp with Boost circuit PoEp with Add Power Conclusions Part B „ 802.3af minimum PSE voltage „ Modular switches 802.3af modular installed base considerations„ The Conflict is How to solve the conflict„ Proposed Solution How to solve the conflict PD side„ Effects on PSE specifications PoEp PSE minimum voltage is How to solve the conflict PSE sideSummary Discussion References Annex a Enhanced Classification table