Huawei V200R001C01 - Voice Service Troubleshooting

6.1 Voice Service Troubleshooting
6.1.1 No Feed Is Detected on a Telephone
Common Causes
This fault is commonly caused by one of the following:
l The analog line or the telephone is faulty.
l The plain old telephone service (POTS) board connected to the telephone does not function
properly.
Troubleshooting Flowchart
Figure 6-1 shows the troubleshooting flowchart.
Figure 6-1 No feed is detected on a telephone
Repair or replace
the POTS board
No feed is
detected on
a telephone
Is POTS
board working
properly?
No
Yes
End
Is fault
rectified?
No
Repair or replace
the power supply
No
No
Is fault
rectified?
Yes
Seek technical
support
Yes
Yes
Is external line
test successful?
Repair or replace
the external line
No
Is fault
rectified?
Yes
Yes
No
Is feeder
voltage on the port
normal?
Troubleshooting Procedure
NOTE
Saving the results of each troubleshooting step is recommended. If troubleshooting fails to correct the fault,
you will have a record of your actions to provide Huawei technical support personnel.
Huawei AR2200-S Series Enterprise Routers
Troubleshooting 6 Voice
Issue 01 (2012-01-06) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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