H3C Technologies H3C WX3000E Series Wireless Switches - Manual (Page 86)

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NOTE:
The status of a cable can be normal, abnormal, abnormal (open), abnormal (short), or failure.
• When a cable is normal, the cable length displayed is the total length of the cable.
• When a cable is not normal, the cable length displayed is the length of the cable between the current
port and the location where fault occurs.
• The error of the length detected is within 5 meters.