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UDS1-BD (UDS1 Interface Circuit Pack)
Issue 4 May 2002 10-1885 555-233-123
FAIL The UDS1 interface circuit pack detected a yellow alarm sent by
the remote DS1 endpoint. An out of frame condition occurred at
the DS1 endpoint. If the UDS1 connects to a T1 network facility or
to another switch, do the following:
1. Verify that both endpoints of the DS1 link are administered
using the same signaling mode, framing mode, and line
coding.
2. Contact T1 Network Service or a technician at the far-end
switch to diagnose the remote DS1 endpoint.
3. Check the physical connectivity of the UDS1 packs and of the
cable.
4. Replace the local UDS1 interface circuit pack, and repeat the
test.
If the UDS1 connects to a line-side terminating device (for
example, a PRI terminal adapter), do the following:
1. Verify that the switch DS1 and the line-side terminating device
are administered using the same signaling mode, framing
mode, and line coding.
2. Investigate the maintenance status of the line-side terminating
device. Refer to the ’Line-Side Terminating Device Operating
Manual’ for information.
3. Contact the vendor of the line-side terminating device to
diagnose the equipment.
4. Check the physical connection of the UDS1 interface circuit
pack to the terminating device, and check the premise
distribution system (or the intra-premise wiring) for physical
connection failures.
5. Replace the local UDS1 interface circuit pack and repeat the
test.
Table 10-676. TEST #141 Yellow Alarm Inquiry Test — Continued
Error
Code
Test
Result Description/Recommendation
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