ADTRAN 1200410L2, User Manual

Page: 62 / 80

Chapter 7. Test Menu
62 ESU LT User Manual 61200410L2-1A
Run Self-test
This menu selection is used to execute an internal self-test. This is
the same self-test that is performed automatically at power up. The
results of the self-tests are displayed in the LCD. Upon invoking the
command, the LCD displays
INITIALIZING and test failures are
displayed in the LCD window (see Figure 7-6). The following
board-level tests are performed during self-test.
Figure 7-6. Self Test Results Screen
Order Test
1 RAM tests; EPROM checksum
2 On-board data path; sending a known test pattern through an
on-board loop
3 Front panel LED verification
4 Phase lock loop verify
If a failure is detected, note the failure number and contact
ADTRAN Technical Support.
Executing self-test disrupts normal data flow and prevents remote
communication until the self-test is completed (approximately 15
seconds).