The security control of the settlement system
The settlement system has a strong capacity to guard against risks. It uses the commercial encryption codes that proved to be one of China’s best, so as to eradicate the possibility of any information inception or decoding during the process of communication. Mutual heat backup is adopted for equipment operation. The data lines mainly use X.25 data net, at the same time, telephone line is kept as a standby. When X.25 encounters troubles, telephone line will be automatically activated and connected to serve within three seconds.