Modem Service Failures - Huawei SmartAX MA5612 Maintenance Manual

SmartAX MA5612 Multi-service Access Module
Maintenance Guide

5.4.2 Modem Service Failures

This section describes how to troubleshoot common modem service failures, such as when dial-
up Internet access fails or the modem goes offline repeatedly. Common modem services include
the lottery service and point of sale (POS) service.
Location Method
Use the following guidelines to locate the fault:
To facilitate fault report, save the results of the following steps.
Procedure
Step 1 Replace the modems of the calling and called party with phones, and check whether the two
parties can communicate with each other normally.
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Step 2 Replace the called party phone with a modem. Use the calling party phone to call the called party
modem. Check whether the modem tone can be heard when the call is connected.
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Issue 01 (2012-07-25)
CAUTION
If the two parties can communicate with each other, go to
If the two parties cannot communicate with each other, address the problem by referring
to 4.3 Troubleshooting VoIP PSTN Service
If the modem tone can be heard, go to
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5 Troubleshooting Services Transmitted Through a GPON
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Step 4.
Step 2.
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