What is needed to ensure communication between Fuel and DCR using Gilbarco's system?

To ensure effective communication between Fuel and the Daily Cash Report (DCR) using Gilbarco’s system, current loop boards are critical. These boards facilitate a reliable and efficient means of data transmission between devices, particularly in environments where monitoring and data collection from fuel dispensers are necessary. Current loop technology provides a robust way to transmit information over longer distances and can handle the unique communication needs in such applications, ensuring that information such as sales and usage data is accurately recorded and reported.

Considering the alternatives, while a network switch can facilitate communication over a network, it does not specifically address the requirements for interfacing with fuel systems directly. Similarly, a wireless connection may offer convenience but can encounter issues such as interference and reliability in a fuel environment, which demands stable connectivity. A dedicated server could be beneficial for managing overall data storage and processing; however, it is not specifically the component that ensures the immediate communication link needed between the Fuel and DCR systems. Therefore, current loop boards are the essential hardware ensuring proper communication in this context.