D-Link DES-1228/ME User Manual page 53

Test Results
Cable Length (M)
Enter the appropriate information and click Test Now the results will be displayed in the Cable Diagnostics Information table.
DES-1228/ME Layer 2 Fast Ethernet Managed Switch
If there are no problems with the cable the test results will show that the cable is OK, if
there are no cables connected to the port the results will show No Cable.
However there are three types of errors that may occur; Open, Short, or Crosstalk.
Open means that the cable in the error pair does not have a connection at the specified
position.
Short means that the cable in the error pair has a short problem at the specified position.
Crosstalk means that the cable in the error pair has a crosstalk problem at the specified
position.
Determines the length of a cable for a particular port.
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