Agere Systems Inc.

Gary D Polhemhus

Patrick J Quirk

Matthew Blaha

Luis De La Torre

Alan Leon Ellis

In one embodiment, a powered device (PD) () has a PHY module () and a media access controller () (MAC), the PD () adapted to connect to power sourcing equipment (PSE) via a cable, () where the PD () is adapted to communicate with and receive power from the PSE via the cable, in accordance with the Power-over-Ethernet (PoE) standard. The PD () extracts () from the cable () a DC signal used to power the PD without using a transformer. Capacitors () located in the signal paths between the MAC () and the cable () support electrical isolation of the MAC ().

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Sebago, ME, United States of America

Gary D Polhemhus