White paper by Amplicon: Ethernet networking has grown beyond office and home usage to become a very successful protocol suite used in many industrial networks. Industrial Ethernet’s accomplishments can be attributed to its heritage in the commercial marketplace where most innovations and the evolution of the protocol suite took place; Power Over Ethernet (PoE) technology is no exception.
PoE was developed soon after offices began to adopt Voice over IP (VoIP) phone systems, VoIP phone systems allow offices to integrate their data and voice networks together and reduce calling costs, but early incarnations of VoIP phone hardware had the disadvantage of requiring a power supply for each headset - compared to traditional analogue phones which are commonly supplied with power and signal via the telephone wire. This motivated the development of a similar system for VoIP phones which have an Ethernet connection, and PoE was born! Using PoE as a technology for powering end devices other than VoIP phones was an obvious step; the technology has quickly been adopted for many other applications such as remote wireless access points, IP based cameras and devices that are commonly found in industrial Ethernet network deployments.
Read in detail 'Power over Ethernet technology for industrial Ethernet networks'
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