Network connection problems
•
If the main network line to the last abnormal module is not bright, the main network line is connected
abnormally, and the abnormal module outputs an abnormal network line.
Inspection: Recheck the state of the network cable in the corresponding position to confirm that the
connection is OK.
•
If the abnormal module to the backup network port cable is not bright, the abnormal module input
abnormal, and backup network cable connection abnormal.
Inspection: Recheck the state of the network cable in the corresponding position to confirm that the
connection is OK.
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