Virtual interface to the PoE device through an expanded registered map in a networking device such as a PHY

摘要

Provided is a Power over Ethernet (PoE) device. The PoE device includes a physical layer device (PHY) including a first number of registers PHY and a power sourcing equipment (PSE) device. The PSE device (i) includes a second number of registers and (ii) is electrically coupled to the PHY. The contents of one of the first and second number of registers is an extension of the other of the first and second number of registers.