3.1 Engineer Skill Requirements
Engineers need to possess troubleshooting skills so that they can troubleshoot faults successfully.
Engineers need to master the following:
1. Basics of communications technologies
l Knowledge about the computer network, such as Ethernet and TCP/IP
l Principles of the multicast service
l Principles of the POTS service
l Principles of the E1 service
l Principles of the ISDN service
2. Networking, services, and functions of the MA5612
l Actual networking conditions
l Hardware structure and performance specifications of the MA5612
l Functions of boards and slots for boards on the MA5612
l Working principles of services and functions of the MA5612
l Service configurations of the MA5612
l Connections between the MA5612 and the other devices over the network
l Protocols used between the MA5612 and the other devices over the network
3. Common operations for locating faults in the MA5612, in addition to:
l Which operations may completely or partially interrupt the service
l Which operations may result in customer complaints
l Which emergency or backup measures are available
l Which operations may damage the equipment
4. Use of common test tools and instruments, including:
l Multimeter
l Line tester
l Optical power meter
l Optical attenuator
5. How to seek help in case of a fault, including but not limited to referring to the
troubleshooting documents or contacting Huawei for assistance
3.2 Troubleshooting Precautions
Before locating and troubleshooting faults, carefully read and strictly abide by the following
precautions.
For maintenance engineers, they should:
l Strictly follow the regulations on operations and industry safety to prevent personal injury
and equipment damage.
SmartAX MA5612 Multi-service Access Module
Maintenance Guide 3 Engineers' Must-Read
Issue 01 (2012-07-25) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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