Huawei eSpace IAD - IAD208 Restarts Continually; Frequent MG Disconnection Alarm

eSpace IAD
Troubleshooting
2 Analyzing and Rectifying Faults
Issue 02 (2012-02-29)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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2.3.8 IAD208 Restarts Continually
Symptom
IAD208 restarts continually.
Cause
The possible causes are as follows:

No splitter

Network loop

Unstable remote power supply

IAD fault
Solution
Step 1 Check whether a network loop occurs.

If yes, remove the network loop.

If no, go to Step 2.
Step 2 Check whether the power supply is remote.

If yes, verify that the voltage is stable.

If no, go to Step 3.
Step 3 Check whether a splitter is used.

If no, connect a splitter to the IAD.

If yes, go to Step 4.
Step 4 Contact Huawei technical support.
----End
2.3.9 Frequent MG Disconnection Alarm
Symptom
The MG disconnection alarm is generated frequently. The registration status changes between
Normal and Fault frequently. IAD users hear the busy tone after picking up phones.
Cause
The possible causes are as follows:

Failure to be registered with the softswitch

Poor bearer network performance

IP address conflict

Domain name conflict

No heartbeat response