User guide

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Cisco Media Gateway Manager 5.0 User Guide
OL-5461-02
Chapter 9 Managing Faults
Is the Service Working?
To configure a BERT session:
Step 1 In the Diagnostic Center, double-click or drag the line or port that is supported by BERT from the
Hierarchy pane to the right hand pane to display the Line and Port Configuration window.
Step 2 Click the Bert tab to display the BERT Configuration window. See Figure 9-10.
Note Not all the BERT configuration parameters are applicable for all card types.
Step 3 Choose the test pattern options from the Test Pattern drop-down arrow.
The default option is allZeros.
Step 4 Choose one of the following Invert Rx Test options from the Invert Rx Test Pattern drop-down arrow:
• Not Inverted
• Inverted
Step 5 Choose one of the following Invert Rx Test options from the Invert Tx Test Pattern drop-down arrow:
• Not Inverted
• Inverted
Step 6 Ensure that the type of end device and loopback device option is correct from the Device To Loop
drop-down arrow.
Step 7 Choose the error insertion option from the Error Insertion drop-down arrow.
The insert constant-rate error option verifies that the transmitted pattern is being properly received and
errors are properly detected. Once set to send continuous errors, errors are inserted at the configured rate
until set to no Error option.
If you set the value to insert errors while the test is not running, the test is not affected. However, when
the test is started again, errors are inserted at the configured rate.
Step 8 Click Start Bert to initiate the BERT session. Note that once BERT is started, you can restart it with the
modified options.