| 摘要 |
<p>A network communication system and method for monitoring and transferring diagnostic data between a remote asset (10) and a central monitoring facility (15) wherein the system comprises a data gathering module (16), an electronic storage device (19) located at the remote asset (10) to store the data, respective network interfaces (14, 18) located at the remote asset (10) and the monitoring facility (15), a processor (17) to manage sending and receiving of the data, a packet switched network (25), a circuit switched network (40), and a plurality of communication states (21, 22, 23, 34) interrelated with one another based on a predetermined communication protocol (7) wherein the communication system transitions between the packet switched network (25) and the circuit switched network (40) depending upon which communication state of the communication states is in use.</p> |
