Maintenance Object Repair Procedures
555-233-123
10-1862 Issue 4 May 2002
FAIL
(cont’d.)
If the UDS1 connects to a line-side terminating device such as a
PRI terminal adapter:
1. Retry the reset board command at 1-minute intervals a
maximum of 5 times.
2. Enter the list measurement ds1-log UUCSS command to
read the error seconds measurement.
3. Verify that the switch DS1 and the line-side terminating device
are administered using the same signaling mode, framing
mode, and line coding.
4. Investigate the maintenance status of the line-side
terminating device. Obtain the error seconds measurement
on the terminating device (if possible). Refer to the line-side
terminating device operating manual for information.
5. Check the physical connection of the UDS1 Interface circuit
pack to the terminating device. Check premise distribution
system (or intra-premise wiring) for physical connection
failures. If the error seconds measurement is severe,
investigate premise distribution system wiring for noise and
distance limitation.
6. Replace the local UDS1 Interface circuit pack and repeat the
test.
7. Contact the vendor of the line-side terminating device to
diagnose the equipment.
Table 10-672. TEST #135 Internal Looparound Test — Continued
Error
Code
Tes t
Result Description/Recommendation
Continued on next page
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