| 摘要 |
PROBLEM TO BE SOLVED: To confirm presence or absence of a cross talk between channels in a multi-cable.SOLUTION: In a non-communication state between an input/output unit and a plurality of devices, a diagnostic method comprises: a process for transmitting a signal to a device connected to a first cable through the first cable forming multi-cable; a process for diagnosing that the signal transmitted to the first cable is interfering in a second cable when a signal is received through the second cable different from the first cable. |
