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Power over Ethernet and CAT 5 Cable

[Q] Can I use CAT 5 Cable in Power over Ethernet applications?

[A] Yes. Power over Ethernet is a developing technology whereby supply voltage is provided to certain types of devices through the same cable that is providing the data signal, such as CAT 5 Cable. This is also called "Active Ethernet".

Power over Ethernet requires a CAT 5 injector, a power source that will travel through the unused wires in the CAT 5 Cable. Some devices are able to accept the power directly from the CAT 5 Cable through the RJ45 jack. These type of devices are called "PoE Compatible" (or "Active Ethernet Compatible"). Equipment the will not accept the power directly from the jack will have to use a splitter that takes the power from the CAT 5 Cable and supplies it to the device by way of a power plug. CAT 5 Cable can be used in these applications with the normal length restriction of 100 meters (328 feet).

CAT 5 Cable Company provides CAT 5 and CAT 5e patch and crossover cables for all networking applications in 9 colors, and any custom length. Hand assembled and 100% tested to ensure the finest quality.

RELATED FAQ QUESTION: What is the difference between CAT 5 and CAT 5e cable?

Keywords: Cat 5, Cat 5e, ethernet, RJ45, patch cable, crossover cable, Power over Ethernet



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