Huawei EchoLife HG8110 Service Manual page 283

EchoLife HG8010/HG8110/HG8240/HG8245/HG8247/
HG8447 GPON Terminal
Service Manual
Figure 4-1 General troubleshooting flowchart
Procedure
Step 1 Locate a fault preliminarily.
Find the fault location and determine the cause of the fault.
during preliminary fault locating.
Issue 02 (2011-12-08) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
4 Maintenance and Troubleshooting
Table 4-2 lists the possible causes
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