D-Link xStack DGS-3620 Series Reference Manual page 555

Layer 3 managed stackable gigabit switch
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DGS-3620 Series Layer 3 Managed Stackable Gigabit Switch Web UI Reference Guide
To view the cable diagnostics for a particular port, use the drop-down menu to choose the Unit and Port number
and click the Test button. The information will be displayed in this window.
NOTE: Cable diagnostic function limitations. Cable length detection is only supported on GE ports.
NOTE: The maximum cable diagnosis length is 120 meters.
NOTE: The deviation of cable length detection is +/- 5M for GE ports.
Fault messages:
1. Open - This pair is left open.
2. Short - Two lines of this pair is shorted.
3. CrossTalk - Lines of this pair is short with lines in other pairs.
4. Unknown - The diagnosis does not obtain the cable status, please try again.
5. NA - No cable was found, maybe it's because cable is out of diagnosis specification or the quality is too
bad.
Figure 11-24 Cable Diagnostics window
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