| 摘要 |
PURPOSE:To make the dissidence of data hard to occur, and to easily execute the relieving even when the dissidence of the data occurs by executing the decision, etc., of the normality of the data executed by an exchanging station at a remote maintenance station. CONSTITUTION:At a remote maintenance station 2d, first, it is decided whether or not data are normal, when the data are normal, it is decided whether or not the competition of service exists, when the competition does not exist, it is decided whether or not the double registration of the data is executed, when the double registration is not executed, the subscriber data are prepared and registered and the subscriber data are sent to the exchanging station. At the exchanging station, the subscriber data received from the remote maintenance station 2d are registered. When either of steps L1-L3 is decided to be 'NO', the subscriber data prepared and registered at the remote maintenance station 2d are released.
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