# Power over

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**Power over** may refer to various forms of powering devices over data links:

- [Power over eSATA](/source/Power_over_eSATA) (eSATAp), a variant of eSATA also delivering power over the same cable (but not the same wires inside the cable)
- [Power over Ethernet](/source/Power_over_Ethernet) (PoE), a method to power devices over their Ethernet cable (shared wires for data and power)
- [Power over fiber](/source/Power_over_fiber) (PoF), delivering power over optical (data) links (shared fibers for data and power)
- [Power over LAN](/source/Power_over_LAN), a PoE-predecessor originally by PowerDsine, now Microsemi (shared wires for data and power)

## See also

- [1-Wire](/source/1-Wire), an electrical interface for power and data transmission over two wires
- [Phantom power](/source/Phantom_power), shared wires for analog electrical signals and power
- [Power-line communication](/source/Power-line_communication) (PLC), data transmission over mains power supply
- [PoweredUSB](/source/PoweredUSB), a proprietary high power delivering variant of USB
- [USB Power Delivery Specification](/source/USB_Power_Delivery_Specification) (USB PD), high power delivery over (standard) USB
- [Wireless power transfer](/source/Wireless_power_transfer) (WPT), energy transmission via magnetic fields or electromagnetic waves
- [Overpower](/source/Overpower)

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Adapted from the Wikipedia article [Power over](https://en.wikipedia.org/wiki/Power_over) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Power_over?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.