Power Over Ethernet Classes Explained

Power over ethernet or poe describes any of several standards or ad hoc systems that pass electric power along with data on twisted pair ethernet cabling.

Power over ethernet classes explained.

Because you don t need to run electrical wiring poe saves money in materials and installation time. Power over ethernet classes comparison chart. Power over ethernet poe is a networking feature defined by the ieee 802 3af and 802 3at standards. This allows a single cable to provide both data connection and electric power to devices such as wireless access points waps internet protocol ip cameras and voice over internet protocol voip phones.

Type 2 pse or pd an 802 3at poe compliant pse or pd. Power over ethernet poe explained part 2 demystifying poe myths and misconceptions poe is a recently developed technology and many people are put off adopting it by the raft of conflicting or out of date information that is available on the subject. Power over ethernet poe technology sends 10 100 1000 mbps of data and 15w 30w 60w and up to 90w of power budget to devices over cat5e and cat6 ethernet cables for a maximum distance of 100m. Powered device pd any device capable of receiving power over ethernet from a pse.

This way data and electricity is carried by one cable rather than having separate power cord. Increasingly used for voip phones wireless access points wap s and ip cameras poe eliminates the need for a nearby power outlet for these powered devices and allows a single cable to. Power over ethernet poe technology offers electrical current for wired ethernet lans local area networks through ethernet cables. Poe lets ethernet cables supply power to network devices over the existing data connection.

Poe technology relies on the ieee 802 3af and 802 3at standards which are set by the institute of electrical and electronics engineers and. Our power without the struggle white paper makes the case for poe deployment in more detail and explains how poe can be used effectively. It s also flexible especially for remote applications since it doesn t require a nearby electrical outlet. The current is just enough to have each device start and do its operation.

Poe capable devices can be power sourcing equipment pse powered devices pds or sometimes both. Power over ethernet poe combines both data communication and power transmission for remote devices in the one cable therefore eliminating the need to run a separate ethernet cable to power a device. Type 1 pse or pd an 802 3af compliant pse or pd. To find out about the myths and misconceptions about power over ethernet options for high power poe and a little more about how the technology works please continue to poe explained part 2.