4 Web-based Switch Configuration D-Link Smart Managed Switch User Manual
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Select a port and then click the Test Now button to start the diagnosis.
Figure 4.168 – Monitoring > Cable Diagnostic
Test Result: The description of the cable diagnostic results.
•OK means the cable is good for the connection.
•Short in Cable means the wires of the RJ45 cable may be in contact somewhere.
•Open in Cable means the wires of RJ45 cable may be broken, or the other end of the cable is simply
disconnected.
•Mismatched means some other errors occurred during cable diagnostics. Please select the same port
and test again.
•Line Driver: The high impedance is detected. Out scenario is the cable plug to a power down link partner.
Cable Fault Distance (meters): Indicates the distance of the cable fault from the Switch port, if the cable is
less than 2 meters, it will show “No Cable”.
Cable Length (meter): If the test result shows OK, then cable length will be indicated for the total length of
the cable. The cable lengths are categorized into four types: <50 meters, 50~80 meters, 80~100 meters,
100~140 meters and >140 meters.
NOTE: Cable length detection is effective on
Gigabit ports only.
NOTE: Please be sure that Power Saving feature
is disabled before enabling Cable Diagnostics
function.
NOTE: The deviation of ” Cable Length(meters)"
and "Cable Fault Distance” are +/-
therefore no cable may be displayed under Test
Result, when the cable used is less than 10m in
length.
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