If you're having trouble with a circuit, you can run a performance metrics (PM) test to diagnose the problem. The PM test is non-intrusive and can be done in less than one minute. This is the first type of testing you'll want to do to diagnose a problem with a circuit. Not all services are eligible for self-testing. If you select a circuit that is not eligible, Control Center offers the option to create a repair ticket. After you run the circuit test, Control Center stores the results of the test.
To run a performance metrics circuit test:
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