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SmartAX MA5612 Multi-service Access Module
Maintenance Guide
Check whether the phone is working
Check whether the loop and circuit
Check whether the service board to
which the affected user is connected
Check whether the voice gain of the
Check whether the output gain of the
Check whether the power board is
Check whether the hardware and the
To facilitate fault report, save the results of the following steps.
Procedure
Step 1 Replace the phone with another. Then, check whether the service is restored.
l
l
Step 2 Perform a
l
l
Issue 01 (2012-07-25)
Start
properly
lines are normal
is working properly
PSTN port is set to a very
small value
DSP chip is set to a very
small value
working properly
ambient environment are normal
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, the subscriber line is normal. Then, go
to
Step
4.
If the test result (shown in Conclusion) is not Normal, rectify the fault based on the test
result. Then, go to
Step
NOTE
When you rectify the fault based on the test result, the phone is faulty or the line between the phone and
the MA5612 is not properly connected if the test result shown in Conclusion is AB all break off or no
phone connected. In this case, replace the phone or check whether the line is connected properly.
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5 Troubleshooting Services Transmitted Through a GPON
Step
15.
Step
2.
with the phone on the hook.
3.
Port
190
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Troubleshooting
