Chapter 7. Test Menu61200410L1-1 ESU LT User Manual 7-5Run Self-testThis menu selection is used to execute an internal self-test.This is the same self-test that is performed automatically atpower up. The results of the self-tests are displayed in theLCD. Upon invoking the command, the LCD displaysINITIALIZING and test failures are displayed in the LCDwindow (see Figure 7-4). The following board-level tests areperformed during self-test.Figure 7-4. Self Test Results ScreenOrder Test1 RAM tests; EPROM checksum2 On-board data path; sending a known test patternthrough an on-board loop3 Front panel LED verification4 Phase lock loop verifyIf a failure is detected, note the failure number and contactADTRAN Technical Support.Executing self-test disrupts normal data flow and prevents remotcommunication until the self-test is completed (approximately 15seconds)
