Iad208 Restarts Continually; Frequent Mg Disconnection Alarm - Huawei eSpace IAD Troubleshooting Manual

eSpace IAD
Troubleshooting

2.3.8 IAD208 Restarts Continually

Symptom
IAD208 restarts continually.
Cause
The possible causes are as follows:
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Solution
Step 1 Check whether a network loop occurs.
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Step 2 Check whether the power supply is remote.
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Step 3 Check whether a splitter is used.
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Step 4 Contact Huawei technical support.
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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:
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Issue 02 (2012-02-29)
No splitter
Network loop
Unstable remote power supply
IAD fault
If yes, remove the network loop.
If no, go to Step 2.
If yes, verify that the voltage is stable.
If no, go to Step 3.
If no, connect a splitter to the IAD.
If yes, go to Step 4.
Failure to be registered with the softswitch
Poor bearer network performance
IP address conflict
Domain name conflict
No heartbeat response
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2 Analy zing and Rectify ing Faults
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