| 摘要 |
In a data communication system composed of plural equipment, there are provided display means for displaying the connection relationship among the plural equipment, and designation means for designating a specified equipment displayed by the display means. The user can easily confirm the connection state and the connection position of the specified equipment, by effecting communication for confirming the connection relationship of the specified equipment, according to the designation by the designation means. Also the user can easily understand the flow of the signals in the data communication system, by displaying the channel information, indicating the data flow among the equipment, and the equipment information.
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