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Huawei SmartAX MA5612 - Page 88

Huawei SmartAX MA5612
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Check whether the phone is
functional
The fault occurs on some
ports
The fault occurs on all
ports on some boards
The fault occurs on all ports
on the device
Start
Check whether the user
ports are functional
Check whether the
service boards are
functional
Check whether the power
board is functional
End
Identify the fault
scope
Check whether the loop and
circuit lines are functional
Check whether the device
hardware and ambient
environment are normal
CAUTION
To facilitate fault report, save the results of the following steps.
Procedure
Step 1 Check whether the fault always occurs on certain ports, occurs on all the ports on certain boards,
or occurs on all the ports on the entire MA5612.
l If the fault always occurs on certain ports, go to Step 2.
l If the fault occurs on all the ports on certain boards, go to Step 7.
l If the fault occurs on all the ports on the entire MA5612, go to Step 8.
Step 2 Replace the phone with another and check whether the fault is rectified.
l If the fault is rectified, go to Step 12.
l If the fault persists, go to Step 3.
Step 3 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 5.
l If the test result (shown in Conclusion) is not Normal, rectify the fault based on the test
result. Then, go to Step 4.
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.
79

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