AP4050DN-HD
Hardware Installation and Maintenance Guide Contents
Issue 01 (2016-04-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
v
5.1.5 Replacing the Mold of the Crimping Tool ............................................................................................................... 69
5.2 Environmental Requirements for Device Operation ................................................................................................... 72
5.2.1 Environmental Requirements for an Equipment Room ........................................................................................... 72
5.2.2 Requirements for Power Supply .............................................................................................................................. 80
5.3 Equipment Grounding Specifications ......................................................................................................................... 82
5.3.1 General Grounding Specifications ........................................................................................................................... 82
5.3.2 Grounding Specifications for an Equipment Room ................................................................................................. 83
5.3.3 Grounding Specifications for Devices ..................................................................................................................... 83
5.3.4 Grounding Specifications for Communications Power Supply ............................................................................... 83
5.3.5 Grounding Specifications for Signal Cables ............................................................................................................ 84
5.3.6 Specifications for Laying Out Grounding Cables .................................................................................................... 84
5.4 Engineering Labels for Cables .................................................................................................................................... 85
5.4.1 Introduction to Labels .............................................................................................................................................. 85
5.4.2 Engineering Labels for Optical Fibers ..................................................................................................................... 93
5.4.3 Engineering Labels for Network Cables .................................................................................................................. 96
5.4.4 Engineering Labels for User Cables ........................................................................................................................ 97
5.4.5 Engineering Labels for Power Cables ...................................................................................................................... 98
5.5 Guide to Using Optical Modules .............................................................................................................................. 101
5.6 Fault Tag ................................................................................................................................................................... 104
5.7 Installation Checklist ................................................................................................................................................ 105
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