AUTONOMOUS SMS REMOTE MANAGEMENT DEVICE FOR PRINTERS, COPIERS AND FAX MACHINES

摘要

The invention relates to an electronic device enabling remote management of a printer, copier or fax machine (henceforth referred to as remote element), without the need of connecting a computer. The device consists of three modules: the SMS terminal, the microcontroller chip and the box. The controller chip uses a digital system comprising a central processing unit, for instance a microcontroller, an assembly of peripheral integrated circuits which enable the following system functions: 1) SMS terminal serial connection, for instance to a UART; connection to the remote element by means of a port expansion chip, for instance the integrated 8255; 3) storage of the program and data in a local memory; 4) management of the input system and protection against errors.