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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. On the device view, highlight a port.
  2. From the Device Manager menu bar, 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 opens.

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