POS SYSTEM WHICH PROCESSES APPROVAL DATA USING OTHER COMMUNICATION NETWORK WHEN COMMUNICATION NETWORK FOR CARD APPROVAL IS TROUBLED, AND OPERATING METHOD THEREOF

摘要

PURPOSE: A POS(Point Of Sale) system and an operating method thereof are provided to detour other communication network when the communication network operating a POS terminal is troubled or stopped. CONSTITUTION: User interfaces are used for inputting/outputting data. A controller(12) controls overall terminal device and is equipped with programs. A card reader(16) reads card data according to card settlement of a customer. An approval requesting module(15) requests the approval of the card data through a shop management server. A storing part(17) stores the processed data. A receipt outputting module(18) outputs a receipt for showing a processing result to the customer. A model approval requesting module(14) is operated to request the approval through a modem if a line-off signal is received from the approval requesting module or no approval signal is received for a predetermined time.