| 摘要 |
PROBLEM TO BE SOLVED: To provide a data communication system, a data communication method, a central device, and a computer program capable of providing the data of management object equipment only to authorized terminal equipment.SOLUTION: In a data communication system in which management object equipment and terminal equipment and a central device are connected such that data communication is executable, the central device receives data including at least an MAC address from the management object equipment, and converts the MAC address of the management object equipment into unique identification information, and receives a request signal for requesting the acquisition of data as well as at least identification information from the terminal equipment, and transmits data associated with the received identification information to the terminal equipment, and the terminal equipment transmits the request signal as well as the preliminarily acquired identification information, and receives and outputs the data associated with the identification information from the central device.SELECTED DRAWING: Figure 5 |
