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Power Over Ethernet - Where power is supplied through the same cat UTP
cable as that used for Ethernet.

* Use [1]
* Cable [2]
* Further Reading: [3]

* Local Links [4]
* External Links [5]

USE

PoE [6] is generally used instead of a dedicated power cable, to
supply remote Access points.
Due to their size and low power requirements, AP's lend themselves to
being mounted close to their antennas. A benefit of being close to the
Antenna is the reduced RF loss and cleaner signal. PoE [7] can
minimize the cabling requirements as well as cope with the low power
requirements.

CABLE

Cat 5 ethernet cable (twisted pair) consists of 4 pairs (8 wires).
Only 2 pair (or 4 wires) are needed for the ethernet link. The
remaining wires may be used to carry the power supply to the device.

FURTHER READING:

LOCAL LINKS

APInABox [8]
AP_POWER_SOURCES [9]
HomeBrew [10]

Perform a Text Search [11] on this wiki, for other examples.

EXTERNAL LINKS

Power over Ethernet How To [12]
PoE Voltage loss calculator [13]

Links:
------
[1] http://melbournewireless.org.au/#use
[2] http://melbournewireless.org.au/#cable
[3] http://melbournewireless.org.au/#further_reading_
[4] http://melbournewireless.org.au/#local_links
[5] http://melbournewireless.org.au/#external_links
[6] http://melbournewireless.org.au/?PoE
[7] http://melbournewireless.org.au/?PoE
[8] http://melbournewireless.org.au/?APInABox
[9] http://melbournewireless.org.au/?AP_POWER_SOURCES
[10] http://melbournewireless.org.au/?HomeBrew
[11]
http://melbournewireless.org.au/wiki/?q=poe&show=FullTextSearch
[12] http://www.nycwireless.net/poe/
[13] http://www.demarctech.com/techsupport/poecalculate.htm

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