By PRBS test function, you can perform an in-service PRBS test for a board.
PRBS Test/TDM Service Test/1+1 Switch Test
In this user interface, you can perform an in-service PRBS test for a board. The test result is displayed in the coordinates pane.
IF/E1 PRBS Test(RTN)
In this user interface, you can perform pseudo random binary sequence (PRBS) tests and export the test reports. You can perform a PRBS test on a path to check the quality of the path. The test result is displayed in the coordinates pane.