Isabella Simon
Isabella Simon voted up William Bob's answer
What Does PoE Mean On A Cisco Switch?

Power over Ethernet (PoE) is a technology for local area networks with Ethernet cable (LAN) that allows electrical power required for the operation of each device to be carried by the data cables rather than power cables . This reduces the number of child to be threaded for the installation of the network.

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Isabella Simon
Isabella Simon voted up Anonymous' answer
What Does PoE Mean On A Cisco Switch?

Full form of PoE is Power over Ethernet.
The ratification of the IEEE802.3at standard this month means that compliant (PoE) devices can now transmit up to 25W over Ethernet cabling to network appliances or equipment, which is a substantial increase from the 15.4W specified under the earlier IEEE 802.3af PoE standard.
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