Importance of Logging TX Equalization Settings

In addition to transceiver information, it is also important to log the host and module TX equalization settings in the test report. This ensures a comprehensive record of all relevant parameters affecting the cable’s signal integrity and performance. By including these settings, users can:

  • Analyze Performance: Understand how different equalization settings impact the overall performance of the cable.

  • Ensure Consistency: Verify that the same settings are used across different tests for accurate comparison.

  • Optimize Settings: Identify the optimal equalization settings for specific cables and environments.

By logging these settings, the test reports become more informative and valuable for making data-driven decisions.

Host TX Equalization Settings

For the host, the following TX equalization settings should be logged per lane per port:

  • Pre3 (dB)

  • Pre2 (dB)

  • Pre (dB)

  • Main (mV)

  • Post (dB)

Module TX Equalization Settings

For the module, the following TX equalization settings should be logged per lane per port:

  • Precursor (dB)

  • Amplitude (dB)

  • Postcursor (dB)