Fuel dispensing environment utilizing retrofit broadband communication system
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United States of America Patent
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Nov 15, 2016
Grant Date -
May 16, 2013
app pub date -
Nov 16, 2012
filing date -
Nov 16, 2011
priority date (Note) -
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Abstract
A fueling environment communication system for providing high bandwidth information via existing field wiring to a plurality of forecourt devices. The communication system according to this aspect comprises a back room communication module having a first plurality of Ethernet ports for connection to external devices using Ethernet communication and a second plurality of Ethernet ports. The back room communication module further comprises a plurality of modulation interface devices each connected on a first side to a respective one of the second plurality of Ethernet ports. A summing and isolation module having a high pass filter is connected to each of the modulation interface devices on a second side thereof to pass a modulated high frequency signal. The summing and isolation module further has a low pass filter through which low frequency legacy data can be passed and combined with said modulated high frequency signal. In addition, summing and isolation module is connectable via existing field wiring to communicate with forecourt devices in point-to-point fashion.
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