Avaya S8700 Maintenance Manual page 2481

For multi-connect configurations

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Table of Contents

UDS1-BD (UDS1 Interface Circuit Pack)

Table 8-676. Test #141 Yellow Alarm Inquiry Test — Continued

Description / Recommendation

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

2. Contact T1 Network Service or a technician at the far-end switch to

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

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.

signaling mode, framing mode, and line coding.

diagnose the remote DS1 endpoint.

administered using the same signaling mode, framing mode, and line

Refer to the 'Line-Side Terminating Device Operating Manual' for

information.

terminating device, and check the premise distribution system (or the

intra-premise wiring) for physical connection failures.

Continued on next page

Issue 1 May 2002

Troubleshooting