Huawei SmartAX MA5612 Maintenance Manual page 100

SmartAX MA5612 Multi-service Access Module
Maintenance Guide
Check whether the subscriber line
Check whether the service boards
Check whether the power board is
Check whether the power supply
system of the device is working
Check whether the device hardware
issues the ringing signaling to the
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
l
Step 2 Perform the
l
l
Issue 01 (2012-07-25)
Start
Check whether the phone is
working properly
is normal
are working properly
working properly
properly
and ambient environment are
normal
Check whether the softswitch
called party
End
CAUTION
If the service is restored, go to
If the service is not restored, go to
8.4 POTS Subscriber Loop Line Test
If the test result (shown in Conclusion) is Normal, go to
If the test result (shown in Conclusion) is not Normal, rectify the fault based on the test
result. Then, go to Step
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.
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
4 Troubleshooting Services Transmitted Through a GE Port
Step 12.
Step 2.
3.
with the phone on the hook.
Step 4.
91