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Maintenance Object Repair Procedures
555-233-123 10-662 Issue 4 May 2002
DS1 Board Loopback Test (#1209)
This test is destructive.
The DS1 Board Loopback (BLB) Test causes a loopback at the TN767E DS1
board edge and tests DS1 board internal circuitry.
The test is destructive and can only be initiated by a system technician demanded
test ds1-loop UUCSS ds1/csu-loopback-tests command.
All trunks or ports on the DS1 Interface circuit pack must be busied out via the
system technician busyout board command before running the BLB Test.
Table 10-243. TEST #146 Translation Update Test
Error
Code
Test Result Description/Recommendation
ABORT Internal system error
1. Retry the command at 1-minute intervals a maximum of 5
times.
FAIL Internal system software error.
1. Enter the display ds1 UUCSS command to verify the
DS1 Interface circuit pack translation.
PASS Translation data has been downloaded to the DS1 Interface
circuit pack successfully.
0 NO BOARD The test could not relate the internal ID to the port (no board).
This could be due to incorrect translations, no board is
inserted, an incorrect board is inserted, or an insane board is
inserted.
1. Check to ensure that the board translations are correct.
Use the add ds1 UUCSS command to administer the
DS1 interface if it is not already administered.
2. If board was already administered correctly, check the
error log to determine if the board is hyperactive. If this is
the case, the board is shut down. Reseating the board
will re-initialize the board.
3. If the board was found to be correctly inserted in step 1,
issue the busyout board command.
4. Issue the reset board command.
5. Issue the release busy board command.
6. Issue the test board long command.
This should re-establish the link between the internal ID and
the port.