Avaya Definity SI Maintenance Manual page 1456

Maintenance Object Repair Procedures
Table 10-245. TEST #1210 CSU Equipment Loopback Test — Continued
Error
Code Result
FAIL
PASS
0 NO
BOARD
10-670 Issue 4 May 2002
Test
DS1 Interface circuit pack failed the CSU Equipment Loopback
Test.
1. Retry test ds1-loop UUCSS ds1/csu-loopback-tests.
2. If the ELB test continues to fail, then either the TN767E
board, the CSU Module/T1 Sync Splitter, or the I/O cable
between the backplane and the 120A1 CSU Module or the
401A T1 Sync Splitter (or any combination thereof) has
failed. Attempt to isolate the problem to one of these areas.
Replace the CSU Module/T1 Sync Splitter and running test
ds1-loop UUCSS ds1/csu-loopback-tests again.
3. If the ELB test continues to fail, then replace the TN767E
board and run test ds1-loop UUCSS
ds1/csu-loopback-tests again.
4. If the ELB test continues to fail, the problem could be in the
I/O cable between the backplane and the 120A1 CSU
Module or the 401A T1 Sync Splitter.
The ELB test executed successfully. The test pattern was
transmitted and received successfully over the connection from
the TN767E DS1 board to the near-edge of the 120A1 CSU
Module/T1 Sync Splitter.
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.
Description/Recommendation
Continued on next page
555-233-123