Filter
Top Products
UDS1-BD (UDS1 Interface Circuit Pack)
Issue 1 June 2005 2469
End Loopback/Span Test (#1216)
This test is destructive.
The End Loopback/Span test terminates an active loopback or span test on a UDS1 circuit
pack. Bit error counting against the received test pattern stream is terminated and sending of
the framed 3-in-24 test pattern is halted. If either the CPE Loop-Back Jack or the far-end CSU is
looped, the appropriate loopback deactivate code is sent. If the loopback cannot be
deactivated, then the test returns FAIL, and a MINOR alarm is noted in the alarm log until the
loopback is cleared.
The test is highly destructive and can only be initiated by a test ds1-loop location
end-loopback/span-test command. Since only one of these three different long-duration
loopback/span tests can be active at a time, the UDS1-BD circuit pack knows which loopback/
span test to terminate.
Each trunk or port on the UDS1 Interface circuit pack must be busied out using busyout
board location before running this End Loopback/Span test.
PASS A single bit error has been successfully injected into an active framed
3-in-24 test pattern.
0NO
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. Verify that the board’s translations are correct. Execute add ds1
location command to administer the UDS1 interface if it is not
already administered.
2. If the board was already administered correctly, check the error log to
determine whether the board is hyperactive. If so, the board was shut
down. Reseating the board will re-initialize it.
3. If the board was found to be correctly inserted in step 1, enter
busyout board location.
4. Enter reset board location.
5. Enter release board location.
6. Enter test board location long.
This should re-establish the linkage between the internal ID and the port.
Table 873: Test #1215 Inject Single Bit Error Test (continued)
Error
Code
Test
Result
Description / Recommendation
2 of 2