Anhui campus card water control

A system part: the system by canteen credit card machines, card readers, communication, dining card management software, technical parameters: 1 Program Memory: 64K Flash ROM +32 k RAM 2, data memory: 256Kbit Flash 3 store data offline: 30000 4 storage blacklist: 10000 5 swiping distance: 3cm-10cm 6, read and write time: less than 0.15 seconds, the data storage: 10 years 8 communication interfaces: RS485 interface, RS485 communication speed: 9600bps 9 Dimensions: Desktop: 280mm * 180mm * 90mm Hanging: 220mm * 210mm * 100mm three Features: 1, operating modes: online / offline consumption patterns, consumption patterns: direct input amount / fixed consumption / fixed consumption, number of cards: Open 4 card standard: philips mifare1 and compatible IC card 5, Display: 10 double-sided LED digital display card balance when spending. Data acquisition: Admin, Computer Active acquisition and real-time monitoring acquisition with encryption algorithms, issued the card number, key management functions, means of communication: RS 4859 download blacklist: support for real-time downloads and report the loss that download 10 standalone, even if the management unit is turned off or fails you can still continue to work. 11, comes with back-up battery, can be mobile operations, a working maximum time up to 6 hours. 12, diverse styles, providing desktop, hanging in many different styles and installation. Consumer machine security: machine initialization certification: required administrator system card and Management password authorize the use of 2, the transmission of the collected data: data and addresses have been internal real-time encryption 3 cards used by permission: card privileges and the Dining Hall permissions set match before allowing trading cards report the loss of processing: card loss to a blacklist card can not be traded blacklist real-time download, total card spending limit: limit the total card daily maximum consumption lost card to maximize the protection of cardholder interests 6, credit card abuse treatment: failure consumer POS opportunity to automatically lock the card swipe, swipe again to unlock or to unlock the card center 7 card lifespan: You can set the card lifespan Prevent Overdue use. www.chinapos.org www.shuikongji.org www.yikatong.org www.junengchina.com