| 摘要 |
Two data communication paths (first and second data communication paths) are provided between first and second data processor devices. First and second I/O ports are provided between the first data processor device and the first data communication path. Third and fourth I/O ports are provided between the second data processor device and the second data communication path. When failure occurs in the first data communication path, the data transmitted from the first data processor device is transferred to the second data processor device through the first I/O port, a bypass communication path, the second I/O port, the second data communication path, the third I/O port, a bypass communication path, and the fourth I/O port.
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