System and methods for integrating a self-checkout system into an existing store system

摘要: A self-checkout terminal system includes a core application module for controlling terminal, the peripheral input and output devices at receiving inputs from, providing outputs to, retail customer. An emulator connected to emulates, independent from application, native vendor software in network of cashier-operated checkout terminals administered by server computer, passing commands data server. The converts received into expected emulated device update updates devices.