Avaya S8700 Maintenance Manual page 546

Maintenance Object Repair Procedure
Table 8-525. Test #135 Internal Loop-Around Test — Continued
Error Test
Code Result Description / Recommendation
FAIL If the UDS1 connects to a line-side terminating device such as a PRI terminal
(cont'd) adapter:
1. Retry the reset board command at 1-minute intervals up to 5 times.
2. Enter the list measurement ds1-log UUCSS command to read the error
3. Verify that the switch DS1 and the line-side terminating device are
4. Investigate the maintenance status of the line-side terminating device.
5. Check the physical connection of the UDS1 Interface circuit pack to the
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
PASS Every administered trunk or port of the UDS1 Interface circuit pack passes the
Internal Loop-Around test. The bit pattern consistency test is executed
successfully over the path that covers a DS1 port, cable, and the external
NCTE device.
8-1242 Issue 1 May 2002
seconds measurement.
administered using the same signaling mode, framing mode, and line
coding.
Obtain the error seconds measurement on the terminating device (if
possible). Refer to the line-side terminating device operating manual for
information.
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.
equipment.
Continued on next page
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