Linked by Thom Holwerda on Mon 18th Jul 2005 12:20 UTC
Internet & Networking With the uptake of IP telephony continuing apace and the proliferation of IP devices in general, has the time finally arrived for an old concept power over Ethernet (PoE)? For certain deployments of IP based technology, PoE is not only cost effective but arguably essential.
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Another difference
by zombie process on Mon 18th Jul 2005 14:05 UTC
zombie process
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Another major difference is that telephony lines carry the charge on the same circuit that you cary analog signal. PoE uses unused pairs, and does not currently carry anything else on those pairs.

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