Chapter 3. Operation T1 ESF CSU ACE User Manual
50 © 2004 ADTRAN, Inc 61204025L1-1B
3)TEST PATTERN, Submenu of 4)TEST
Sets the pattern for the test and initiates the transmission of the pattern. The test is terminated by
selecting NO PATTERN. There are four patterns available:
NO PATTERN Terminates pattern generation.
ALL ZEROS Generates an all zeros pattern in every channel.
1:8 ALL DS0s Generates a 1 in 8 pattern in all DS0s.
ALL ONES Generates an all ones pattern in every channel.
4)RUN SELFTEST, Submenu of 4)TEST
Use this menu selection 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 (see Figure 3-21).
Upon invoking the command, the LCD displays INITIALIZING and test failures are displayed in the
LCD window.
Figure 3-21. Self Test Result Screen
If a failure is detected, note the failure prior to contacting ADTRAN technical support.
Use up and down
scroll keys
To select, for example, 1:8 ALL
DS0s.
Press ENTER To record selection.
Results The T1 ESF CSU ACE starts to gen-
erate a 1:8 test pattern and inserts the
pattern into all DS0s.
Select
NO PATTERN
To end the test.
The execution of a self test disrupts normal data flow and prevents remote communication
until the self test is completed (approximately five seconds).