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What is the difference between RPI and RPI+?

April 26, 2017difference RPI

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What is the difference between RPI and RPI+?

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RPI-based modems require PC comm apps that have an integrated RPI driver, called DAPI (for DOS) and WinDAPI (for Windows). To get ECC from an RPI modem, you need to use a DOS application that supports DAPI or a Windows application that supports WinDAPI. A list of these software packages is provided at the end of the FAQ. Using an RPI modem with an application that does not talk with these drivers means no ECC during online operation. Later versions of RPI modems can use WinRPI as the RPI driver. RPI+ modems will work with any Windows comm app to provide ECC as long as the correct SOFTWARE INDEPENDENT DRIVER (WinRPI) is loaded correctly. RPI+ under DOS still requires an application that integrates a RPI+ driver, which does limit the choice of DOS software that can support ECC.