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Goeff , The spec. specify current
range for each class. Why you prefer impedance? Yair From:
owner-stds-802-3-poep@IEEE.ORG [mailto:owner-stds-802-3-poep@IEEE.ORG] On Behalf Of Geoff Thompson
Hardware Physical Layer (HPL) classification occurs
before power-on when the PSE asserts a voltage onto the PI and the PD responds
with a current representing a limited number of power classifications. To Hardware Physical Layer (HPL) classification occurs
before power-on when the PSE asserts a specificed signal onto the PI and the PD
responds with an impedance representing one of a limited number of power
classifications. Thanks The text we are discussing in the AdHoc right now... |