Table of Contents
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Maintenance Guide
3.2.19 Disk Space Usage ............................................................................................................................... 15
3.2.20 Dongle................................................................................................................................................. 15
3.2.21 Operating System Logs....................................................................................................................... 16
3.3 Maintaining the Hardware and Operating Environment ................................................................................ 16
3.3.1 Checking the Relative Humidity and Electromagnetic Interference ..................................................... 17
3.3.2 Checking the Grounding System .......................................................................................................... 17
3.3.3 Checking the Number of Spare Parts and Storage Environment........................................................... 18
3.3.4 Cleaning an Air Filter Frame ................................................................................................................ 19
3.3.5 Cleaning an Air Filter............................................................................................................................ 20
3.3.6 Cleaning the Air Deflector and Air Defense Frame .............................................................................. 20
Issue 01 (2012-10-15)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd
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