Troubleshooting

FlexOTO Instance:
Stations

Use FlexOTO's Troubleshooting mode to locate issues such as:

  • DCA-M cannot lock on the signal, and
  • Measurement results are questionable.

Troubleshooting mode temporarily disables FlexOTO and launches FlexDCA. This allows you to investigate and change FlexDCA's settings without having to exit FlexOTO.

To use Troubleshoot mode:

  1. Select a Job ID line in FlexOTO's Results table that you want to investigate.
  2. Click the Troubleshoot button. The following notice is displayed at the top of FlexOTO.
  3. FlexOTO automatically opens the FlexDCA application and displays the optical path for the selected Job ID's Fixture / Lane to the DCA-M's input channel.
  4. FlexDCA with Job ID Lane Waveform
  5. While in FlexDCA, you can perform tasks such as:
    • Observe the waveform.
    • View FlexDCA's N109x Setup dialog or N107x Setup dialog. Click the CDR tile along FlexDCA's bottom edge.
    • Investigate the basic measurement settings. Click Measure > Configure Basic Measurements.
    • Investigate the PAM-N Analysis setup settings for the TDECQ measurement. In Eye/Mask mode, click on the PAM vertical toolbar and click PAM Setup. Click the TDECQ Configuration tab.
  6. When your finished with Troubleshoot mode, view the FlexOTO application (press Alt-Tab).
  7. Click the Exit Troubleshooting button as shown in this screen capture.

Additional Resources

While a Job ID is selected, click on the following buttons located next FlexOTO's Troubleshoot button:

  • Details to view the measurement presets used: CDR Preset, TDECQ Meas Preset, and TDECQ EQ Preset.
  • View to view see the waveform's eye diagram.
  • Save to save a zip file that includes the following information. Be sure to select option for the selected Job ID.
    • An eye diagram
    • FlexDCA compatible waveform file (.wfmx)
    • Text file (.csv) of results data
    • Metadata text file (.txt) of setup information