| 摘要 |
PURPOSE:To attain the multiplexing transmission of an information data frame signal and a control data frame signal by using a specific transition rule to a control data from signal so as to apply coding. CONSTITUTION:A data frame multiplexing signal comprising a data signal on a network NW 1 includes the information comprising a control data frame signal to control each data station ST 11 and an information data frame signal sending a communication data between stations. The data frame multiplexing signal is inputted to the station ST 11 from the network NW 1 via an interface device 10 and an input transmission line 12a. Further, the multiplexing signal from the station ST 11 is outputted to the network NW 11 via an output transmission line 12b and the device 10. The station ST 11 uses a transmission code having a specific transition rule so as to apply multiplication to the information data frame signal and the control data frame signal and sends the multiplexing data frame signal.
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