Powerdsine IEEE802.3 Manual do Utilizador

www.powerdsine.comIEEE802.3at Task ForceTechnical and market considerations regarding PoEp output voltage rangeVancouver BC, November 2005Arkadiy Peke

PowerDsine Presentation October 2005 Page 10www.PowerDsine.com HP POE Power Architecture-AC Input Taken at account the volt

PowerDsine Presentation October 2005 Page 11www.PowerDsine.com PoEp Power Architecture-AC UPS

PowerDsine Presentation October 2005 Page 12www.PowerDsine.com PoEp Power Architecture-AC UPS Cost of power supply with 44V

PowerDsine Presentation October 2005 Page 13www.PowerDsine.com PoEp with Boost circuit BatteryAC POE PSPWMRsLbQbDbCbR1R2

PowerDsine Presentation October 2005 Page 14www.PowerDsine.com PoEp with Add PowerAdd Power CircuitAC or BatteryPOE PS+-+-V&l

PowerDsine Presentation October 2005 Page 15www.PowerDsine.com Conclusions Increasing minimum PoEp voltage from 44V to 51V

www.powerdsine.comPart BMarket considerations regarding 802.3at output voltage range

PowerDsine Presentation October 2005 Page 17www.PowerDsine.com 802.3af modular installed base considerations 802.3af minimum

PowerDsine Presentation October 2005 Page 18www.PowerDsine.com How to solve the conflict The Conflict is:– 51V is the Techni

PowerDsine Presentation October 2005 Page 19www.PowerDsine.com How to solve the conflict – PD side Proposed Solution Effect

www.powerdsine.comPart ATechnical Considerations regarding PoEp output voltage range

PowerDsine Presentation October 2005 Page 20www.PowerDsine.com How to solve the conflict – PSE side Effects on PSE specifica

PowerDsine Presentation October 2005 Page 21www.PowerDsine.com Summary The conflict level is pretty much reduce by the previ

PowerDsine Presentation October 2005 Page 22www.PowerDsine.com Discussion

PowerDsine Presentation October 2005 Page 23www.PowerDsine.com References An Extended Classification Proposal-Proposal #1. Y

PowerDsine Presentation October 2005 Page 24www.PowerDsine.com Annex A: Enhanced Classification table Example for group A an

PowerDsine Presentation October 2005 Page 3www.PowerDsine.com Objectives To discuss optimum voltage range for PoEp To show

PowerDsine Presentation October 2005 Page 4www.PowerDsine.com HP POE voltage range Maximum voltage: 57V (safety consideratio

PowerDsine Presentation October 2005 Page 5www.PowerDsine.com PoEp minimum voltage Lets assume current is 0.35A and calcula

PowerDsine Presentation October 2005 Page 6www.PowerDsine.com PoEp minimum voltage Let us look on this issue under another a

PowerDsine Presentation October 2005 Page 7www.PowerDsine.com PoEp minimum voltage 51V required smaller PSE power supply the

PowerDsine Presentation October 2005 Page 8www.PowerDsine.com PoEp Power Architecture-AC Input

PowerDsine Presentation October 2005 Page 9www.PowerDsine.com PoEp Power Architecture-AC Input One of the arguments for not