Point-of-sale terminal adapter

摘要

A device and method for adapting a computer terminal for connection to at least one external device communicatively couples an adapter to the computer terminal and to the at least one external device. The computer terminal is configured to transmit data and commands to the adapter in a manner prescribed by the computer terminal for communication with external devices. The adapter is configured to detect computer terminal signals and transform selected patterns of the computer terminal signals into instructions and information having a predetermined format for operating the at least one external device. The data and commands transmitted from the computer terminal are interpreted and transformed into instructions and information in a predetermined format for operating the at least one external device. Signals are transmitted from the adapter to the computer terminal according to the manner of communication prescribed by the computer terminal, and the instructions and information for operating the at least one external device are transmitted to the at least one external device.