DS1 CONV-BD
Issue 1 May 2002
8-711
555-233-143
2500
ABORT
Internal system error
1. Retry the command at 1-minute intervals up to 3 times.
FAIL
Far-end lightwave transceiver loop back failed. A problem exists between the
DS1 CONV A and the lightwave transceiver connected to the DS1 CONV B
(see diagram above).
1. If there are facilities that are not digital data compatible, then busyout
those facilities via the busyout ds1-facility command.
2. If the test is executed as a part of an error analysis, then return back to the
related section.
3. Enter display errors and follow the associated repair procedures for any
on-board DS1 CONV-BD errors on this DS1 CONV circuit pack and the
DS1 CONV circuit pack at the other end of the DS1 CONV complex. Enter
display errors and follow the associated repair procedures for any
DS1-FAC errors on the DS1 facilities.
4. Check the DS1 Converter Measurements Report to see if there are
facilities with excessive errors, execute command list measurements
ds1-facility summary. If there are facilities with excessive errors, execute
the Far-End Internal Loopback test (#797) on those facilities, and follow
repair procedures described for the test.
5. If the test still fails, replace the lightwave transceiver device that is
connected to the DS1 CONV circuit pack at the other end of the DS1
CONV complex.
6. If the test still fails, replace the DS1 CONV circuit pack at the other end of
the DS1 CONV complex.
7. If the test still fails, replace this DS1 CONV circuit pack.
PASS
Transmission through the path of the loop back is successful.
0
NO
BOARD
The system software found no board.
1. Reset the board.
2. Remotely retry the command.
Table 8-275.
Test #789 Far-End FOT (Lightwave Transceiver) Loop-Back Test
—
Continued
Error
Code
Test
Result
Description / Recommendation
Continued on next page
Summary of Contents for S8700 Series
Page 50: ...Maintenance Architecture 555 233 143 1 26 Issue 1 May 2002 ...
Page 74: ...Initialization and Recovery 555 233 143 3 12 Issue 1 May 2002 ...
Page 186: ...Alarms Errors and Troubleshooting 555 233 143 4 112 Issue 1 May 2002 ...
Page 232: ...Additional Maintenance Procedures 555 233 143 5 46 Issue 1 May 2002 ...
Page 635: ...status psa Issue 1 May 2002 7 379 555 233 143 status psa See status tti on page 7 406 ...
Page 722: ...Maintenance Commands 555 233 143 7 466 Issue 1 May 2002 ...