• The Customer Gilbarco and BP Gas Stations. • The Challenge The pumps at some Gilbarco and BP gas stations used a current loop circuit to determine how much gasoline was dispensed. The credit card readers and key pads used serial communications (RS-485). The challenge was to create a single device that would convert all of this disparate data to Ethernet so that the controlling computer could determine the price to charge the customer, validate the credit card, and track gasoline inventory. • The Solution B&B Electronics developed and custom built the ESP906CL to solve the problem. The ESP906CL converts both the current loop and serial data in a single device and transmits it to the controlling computer via Ethernet. The systems now run much more smoothly and with far less

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