Power over Ethernet

- Pass electrical power along with data on Ethernet cabling.
- Allows a single cable to provide both data and electric power.
- IEEE802.3 using in 10BaseT or 10BaseTx

Cisco Switch command :
PoE mode
  1. auto - Sets the interface to automatically detect and supply power to device
  2. static - Sets the interface to higher priority than auto
  3. never - disable detection and power off the PoE interface
Example
SW(config)#interface giga 1/0/4
SW(config-if)#power inline auto
SW(config-if)#end
SW#show power inline giga1/0/4