To edit the port configuration:
Enter a port name in the Name text box.
Select ENABLED or DISABLED in the Status drop-down box.
Select a line compensation length in the Length drop-down box. This is the length of the cable from the SSU-2000 to the network element being synchronized.
Note: The length parameter is only available with the DS1 output module.
Click OK to save changes and return to the Output Module Port Configuration screen or click Cancel to return without saving changes.