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Via a separate power supply.
Via Power over Ethernet (PoE).
For For PoE, consider the following requirements:
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Depending on the Ethernet standard being used, terminate the wire colors of the Ethernet cable to the “ETHERNET PoE” screw terminals as follows:
Terminal | Signal | TIA-568A | TIA-568B |
|---|---|---|---|
DC + | PoE supply + | blue/white | blue/white |
DC+ | PoE supply + | blue | blue |
DC - | PoE supply - | brown/white | brown/white |
DC - | PoE supply - | brown | brown |