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Right-click Facility and select New TDM DS3. The TDM DS3 pane appears:
Complete the fields as required.
Click the Facility Wizard button at the bottom of the TDM DS3 pane. The DS3 Wizard pane appears
Enter the Starting Offset and the Span Count to identify the range of DS3s you are configuring.
Click OK. The DS3 Physical Span pane appears:
Complete the fields as required. See IMG 1010 - DS3 Physical Span - 10.3.x for details.