Avaya S8700 Maintenance Manual page 1324

For multi-connect configurations

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Table of Contents

Maintenance-Object Repair Procedures

Table 8-244. Test #135 Internal Loop-Around Test — Continued

Description / Recommendation

The DS1 Interface circuit pack is providing timing for the system. Therefore, it

cannot be reset without major system disruption.

1. If the DS1 Interface circuit pack needs to be tested, set the synchronization

The test was aborted. Response to the test was not received within the

allowable time period. This may be due to hyperactivity. Error type 1538 in the

error log indicates hyperactivity. The hyperactive circuit pack is out of service

and one or more of the following symptoms may be exhibited.

1. The DS1-BD tests (such as Tests 139 and 140) are aborting with error

2. The tests run on the ports of this circuit pack are returning a no board

3. A busyout or a release command has no affect on the test results.

4. A list config command shows that the circuit pack and the ports are

Could not allocate the necessary system resources to run this test.

1. Retry the command at 1-minute intervals up to 5 times.

Issue 1 May 2002

reference to another DS1 Interface circuit pack or to the Tone-Clock circuit

via the following command sequence:

Issue the disable synchronization-switch command.

Next, issue the set synchronization UUCSS command.

Lastly, issue the enable synchronization-switch command.

properly installed.

When hyperactivity occurs, the circuit pack is isolated from the system,

and all of its trunks are placed into the out-of-service state. The system

will try to restore the circuit pack within 15 minutes. When no faults are

detected for 15 minutes, the DS1 interface circuit pack is restored to

normal operation. Every DS1 interface trunk is then returned to the

in-service state. Hyperactivity is often caused by the associated facility.

In such a case, faults (such as slips, misframes, or blue alarms) would

be entered in the error log. In addition, many hardware errors would be

logged against the associated trunk circuits. If the facility is OK and the

error occurs again after 15 minutes, escalate this problem.

Continued on next page

Troubleshooting