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Maintenance Object Repair Procedures
555-233-123 10-1928 Issue 4 May 2002
Inject Single Bit Error Test (#1215). This test is destructive.
The Inject Single Bit Error Test causes a single bit error to be sent within an active
framed 3-in-24 test pattern.
The test is highly destructive and can only be initiated by a system technician
demanded test ds1-loop UUCSS inject-single-bit-error command. An attempt
to use this command will be rejected if none of the three long-duration DS1
loopback/span tests (CPE Loopback Jack Test, Far CSU Loopback Test,
One-Way Span Test) are active on a UDS1-BD circuit pack.
All trunks or ports on the UDS1 Interface circuit pack must be busied out using the
system technician busyout board command before running the Inject Single Bit
Error Test.
PASS The One-Way Span test has successfully began transmitting a
framed 3-in-24 test pattern. The test will continue to run until the
system technician enters the test ds1-loop UUCSS
end-loopback/span-test command or the release board
UUCSS command.
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. Ensure that the board translations are correct. Execute the
add ds1 UUCSS 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
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,
then 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 linkage between the internal ID and
the port.
Table 10-687. TEST #1214 One-Way Span Test — Continued
Error
Code Test
Result Description/Recommendation
Continued on next page