Avaya S8700 Maintenance Manual page 567

UDS1-BD (UDS1 Interface Circuit Pack)
Table 8-529. Test #141 Yellow Alarm Inquiry Test — Continued
Error Test
Code Result Description / Recommendation
2 FAIL The UDS1 interface circuit pack is reporting a Yellow F5 fault alarm. There is a
fault in the User-Network interface from the user (PBX) to the network. An
out-of-frame condition occurs on the remote DS1 endpoint.
If the UDS1 connects to a T1 network facility:
1. Verify that both endpoints of the DS1 link are administered using the same
2. Contact T1 Network Service to diagnose the remote DS1 endpoint.
3. Check the physical connectivity of the DS1 Interface circuit packs and
4. Replace the local UDS1 Interface circuit pack and repeat the test.
If the UDS1 connects to a line-side terminating device such as a PRI terminal
adapter:
1. Verify that the switch DS1 and the line-side terminating device are
2. Investigate the maintenance status of the line-side terminating device.
3. Contact the vendor of the line-side terminating device to diagnose the
4. Check the physical connection of the UDS1 Interface circuit pack to the
5. Replace the local UDS1 Interface circuit pack and repeat the test.
555-233-142
signaling mode, framing mode, and line coding.
cable.
administered using the same signaling mode, framing mode, and line
coding.
Refer to the 'Line-Side Terminating Device Operating Manual' for
information.
equipment.
terminating device. Check premise distribution system (or intra-premise
wiring) for physical connection failures.
Continued on next page
Issue 1 May 2002 8-1263