User`s guide

10 – Performing Diagnostics
Viewing the Diagnostic Test Results
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10.4.1
Loopback Test Results
The Loopback Test Results section provides the following information:
■ Tests Status. Whether the test passed or failed. The possible values:
❑ Success. The test passed.
❑ Error. CRC, disparity, or frame length errors occurred.
❑ Failed. An error occurred when attempting to issue a command.
❑ Loop down. The loop is down.
■ CRC Error. Number of CRC errors
■ Disparity Error. Number of disparity errors
■ Frame Length Error. Number of frame length errors
Figure 10-2 shows a successful test. The Test Status column in figure 10-3 shows
that the loopback test failed.
Figure 10-3. Diagnostic Test Results—Loopback Test Failed