Check whether the phone is
working properly
Start
Check whether the subscriber line
is normal
Check whether the service boards
are working properly
Check whether the power board is
working properly
End
Check whether the power supply
system of the device is working
properly
Check whether the device hardware
and ambient environment are
normal
Check whether the softswitch
issues the ringing signaling to the
called party
CAUTION
To facilitate fault report, save the results of the following steps.
Procedure
Step 1 Replace the phone and check whether the service is restored.
l If the service is restored, go to Step 12.
l If the service is not restored, go to Step 2.
Step 2 Perform the 8.4 POTS Subscriber Loop Line Test with the phone on the hook.
l If the test result (shown in Conclusion) is Normal, go to Step 4.
l If the test result (shown in Conclusion) is not Normal, rectify the fault based on the test
result. Then, go to Step 3.
NOTE
If the test result shown in Conclusion is AB all break off or no phone connected, the phone is faulty or
the line between the phone and the MA5612 is not properly connected. In this case, replace the phone or
check whether the line is connected properly.
SmartAX MA5612 Multi-service Access Module
Maintenance Guide 4 Troubleshooting Services Transmitted Through a GE Port
Issue 01 (2012-07-25) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
91
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