| 摘要 |
PURPOSE:To relieve a path fault countermeasure of a relay processing section by commanding transmission stop to a path to the relay processing section when a fault of a path is detected and bringing the reception of the path corresponding to a relay path correspondence table into the stop state. CONSTITUTION:A communication control section 13 is provided with a relay path correspondence table 15 representing the relation of correspondence between a couple of paths through which a relay processing section 12 relays a data and a fault processing section 16. When the communication control section 13 detects a fault of the path, the fault processing section 16 commands the transmission stop to the path to the relay processing section 12, decides the path corresponding to the said path by the relay path correspondence table 15 to bring the path correspondence section 4 to the reception stop state. Thus, the section 12 is not required to provide the processing coping with the path fault especially and the fault is counter-measured by having only to await the transmission to the path according to the transmission stop command from the communication control section 13. |
