When it is found that the local end reports the ETH_LOS alarm, the fault can be located by the switch-back method. If the alarm disappears after the ODF loops back to the local end, which of the following may be the cause?

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Van Raoul Datuin · Accepted Answer

The peer board or pigtail is faulty

Van Raoul Datuin · Answer

Line failure

Van Raoul Datuin · Answer

The local board or pigtail is faulty

Van Raoul Datuin · Answer

Device false positives

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Question 91 - H35-260 discussion

Suggested answer: A

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