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'''
Key Points:'''
'''Key Points:'''
*'''PoE''' (IEEE 802.3af): Provides up to 15.4 W of DC power.
*'''PoE''' (IEEE 802.3af): Provides up to 15.4 W of DC power.
*'''PoE+''' (IEEE 802.3at): Provides up to 30 W of DC power.
*'''PoE+''' (IEEE 802.3at): Provides up to 30 W of DC power.
*'''PoE++''' (IEEE 802.3bt): Extends the power up to 60 W (Type 3) and up to 90 W (Type 4).
*'''PoE++''' (IEEE 802.3bt): Extends the power up to 60 W (Type 3) and up to 90 W (Type 4).
Each class within these standards specifies the maximum power that can be delivered to a powered device (PD), and the maximum power that can be drawn from the power sourcing equipment (PSE), ensuring compatibility and efficient power management across various devices and applications.
Each class within these standards specifies the maximum power that can be delivered to a powered device (PD), and the maximum power that can be drawn from the power sourcing equipment (PSE), ensuring compatibility and efficient power management across various devices and applications.