Avaya S8700 Maintenance Manual page 1433

DS1 CONV-BD
Table 8-275. Test #789 Far-End FOT (Lightwave Transceiver) Loop-Back Test
— Continued
Error Test
Code Result Description / Recommendation
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
2. If the test is executed as a part of an error analysis, then return back to the
3. Enter display errors and follow the associated repair procedures for any
4. Check the DS1 Converter Measurements Report to see if there are
5. If the test still fails, replace the lightwave transceiver device that is
6. If the test still fails, replace the DS1 CONV circuit pack at the other end of
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 The system software found no board.
BOARD
1. Reset the board.
2. Remotely retry the command.
555-233-143
those facilities via the busyout ds1-facility command.
related section.
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.
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.
connected to the DS1 CONV circuit pack at the other end of the DS1
CONV complex.
the DS1 CONV complex.
Continued on next page
Issue 1 May 2002 8-711