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Huawei SmartAX MA5612 - Page 12

Huawei SmartAX MA5612
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Principle of Parts Replacement
When performing parts replacement, comply with the following principles:
l Make sure that operations are feasible.
Check whether spare parts for the part to be replaced are available in the storehouse. If
not, contact the local Huawei representative office for immediate technical support.
Make sure that parts replacement is performed by only qualified maintenance engineers,
who meet the following requirements:
Know the functions of the MA5612 parts.
Know the basic flow of parts replacement.
Master the basic skills of parts replacement.
Make sure that the replacement risks are controllable. Parts replacement is the
maintenance operation that has potential risks. Before replacing a part, estimate whether
the risks can be controlled by technical protective measures without powering off the
device. If yes, replace the part. If not, contact the local Huawei representative office for
immediate technical support.
l Check the interchangeability of spare parts before replacing faulty parts or upgrading parts.
l Use ESD bags and ESD boxes to contain and transport spare parts.
l Arrange, record, and return faulty parts in routine maintenance for obtaining available spare
parts in time, especially certain important parts, such as boards.
Principle of Troubleshooting
When performing troubleshooting, comply with the following principles:
l Actively collect fault information. In case of a fault, learn related information about the
fault, and then make further troubleshooting plan.
l During troubleshooting, record each step and the related result. The details of the
troubleshooting process serve as a ground to apply for Huawei technical support and shorten
the troubleshooting time.
l If a fault cannot be rectified, contact the Huawei Customer Service Center. At the same
time, when you report the problem to Huawei engineers, provide the following information:
Full name of the site where the fault occurs
Name and telephone number of the contact person
Time when the fault occurs
Fault description
Software version of the MA5612
Measures taken after the fault and the measure result
Level of the fault and the expected solution time
Principle of Maintaining an Outdoor Cabinet
To make sure that a cabinet runs outdoors stably for a long time, comply with the following
principles during routine maintenance:
SmartAX MA5612 Multi-service Access Module
Maintenance Guide 1 Overview
Issue 01 (2012-07-25) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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