Intel® Arria® 10 Transceiver PHY User Guide

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ID 683617
Date 3/28/2022
Public
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9.2.5.1. Running BER Tests

Bit error rate (BER) tests help you assess signal integrity. Different transceiver parameters result in different BER values. You run BER tests from the Channel Parameters tab.
Figure 296. Status Table in Main View
Table 335.  Channel Color Highlights
Color Transmitter Channel Receiver Channel
Red Channel is closed or generator clock is not running. Channel is closed or checker clock is not running.
Green Generator is sending a pattern. Checker is checking and data pattern is locked.

To run a BER test for transceiver link, follow these steps:

  1. In the Status Table, tick Pin for the TX and RX channels you want to test.
  2. Right click the TX and RX channels row to perform action such as enabling the loopback mode and PRBS pattern. You can also specify the PRBS test pattern in the Channel Parameters.
  3. Specify PMA Settings for the TX and RX channels in the Channel Parameters tab as shown in the Example: Channel Parameters Tab diagram.
  4. Click Start in the TX Channel and RX Channel columns.
    Refer to the Channel Color Highlights table for details.
    The BER appears in Receiver Channel column, under Hard PRBS Checker.
  5. To reset the error counter, click Reset.
  6. To stop the test, click Stop in TX Channel and RX Channel columns.
    Refer to the Channel Color Highlights table for details.
  7. Change the parameters and then click Start if you want to test the error rate with different PMA parameters.

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