802.af | Article about 802.af by The Free Dictionary
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802.3af

(redirected from 802.af)

802.3af

An IEEE standard for powering network devices via Ethernet cable. Also known as "Power-over-Ethernet" (PoE), the 802.3af specification provides 48 volts over 4-wire or 8-wire twisted pair. The 8-wire cable uses one twisted pair for the power, while the 4-wire transmits the power over the same pair as the data, but uses different frequencies. Designed for such devices as IP phones, cameras and Wi-Fi access points, 802.3af allows them to be placed in locations that have no electrical outlets. Only the Ethernet cable needs to be connected. See inline power and PoE.
Copyright © 1981-2019 by The Computer Language Company Inc. All Rights reserved. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction is strictly prohibited without permission from the publisher.


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Mentioned in ?
  • 802.3at
  • inline power
  • Poe
References in periodicals archive ?
The RuggedCom PoE products are compliant with IEEE 802.af PoE standard making them compatible with any 802.3af powered device.
RuggedCom offers new PoE infrastructure products
FlightLite 100 incorporates IEEE 802.af standard compliant low voltage Power over Ethernet (PoE) technology.
New optical wireless solution for Fast Ethernet connectivity released by LightPointe

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