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SONET loopback test feature

This section describes how to perform the two loopback tests, internal and external, both with Device Manager. Internal is the default.


 Note: All ports must be in test mode to conduct any testing.

To test for loopback:

  1. Highlight the port.
  2. Choose Edit > port.
    3. The Port dialog box opens with the Interface tab displayed.
  3. In the AdminStatus field, click testing.
  4. Click Apply.
  5. Click the Test tab.

    6. The Test tab is displayed.

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