Insert 511 Errors; Run Self-Test - ADTRAN TSU LT User Manual

INSERT 511 ERRORS

Run Self-test

61202060L2-1
functioning properly by verifying that no errors are being
counted.
When running a 511 pattern test, press the
an error into the 511 pattern.
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
and test failures are displayed in the LCD
INITIALIZING
window (see Figure 7-4). To initialize a self test, proceed
with the following steps:
Step
1 RAM tests; EPROM checksum
2 On board data path; sending a known test pattern
through an on-board loop
Front panel LED verification
3
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 five
seconds)
TSU LT User Manual
Chapter 7. Test Menu
Enter
Action
key to insert
7-5