Table of Contents
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HUAWEI USG9500 Series
Hardware Guide
Contents
A.3.1 Equipment Room Site Requirements......................................................................................................................466
A.3.2 Equipment Room Layout........................................................................................................................................467
A.3.3 Construction Requirements for the Equipment Room............................................................................................468
A.3.4 Requirements for Temperature, Humidity, and Altitude........................................................................................ 469
A.3.5 Dust Requirements..................................................................................................................................................470
A.3.6 Corrosive Gases Requirements...............................................................................................................................471
A.3.7 ESD Prevention Requirements............................................................................................................................... 471
A.3.8 Electromagnetism Requirements for the Equipment Room................................................................................... 472
A.3.9 Requirements for Lightning Proof Grounding....................................................................................................... 472
A.3.10 Power Supply Requirements.................................................................................................................................474
A.4 Equipment Grounding Specifications........................................................................................................................477
A.4.1 General Grounding Specifications..........................................................................................................................477
A.4.2 Grounding Specifications for an Equipment Room................................................................................................477
A.4.3 Grounding Specifications for the Device............................................................................................................... 477
A.4.4 Grounding Specifications for Communications Power Supply..............................................................................478
A.4.5 Grounding Specifications for Signal Cables...........................................................................................................479
A.4.6 Specifications for Laying Out Grounding Cables.................................................................................................. 480
A.5 Engineering Labels for Cables...................................................................................................................................480
A.5.1 Introduction to Labels.............................................................................................................................................481
A.5.1.1 Label Specifications.............................................................................................................................................481
A.5.1.2 Type and Structure............................................................................................................................................... 481
A.5.1.3 Label Printing...................................................................................................................................................... 482
A.5.1.4 Writing Labels..................................................................................................................................................... 484
A.5.1.5 Affixing Labels.................................................................................................................................................... 485
A.5.1.6 Label Contents..................................................................................................................................................... 487
A.5.1.7 Labeling Precautions........................................................................................................................................... 487
A.5.2 Engineering Labels for Optical Fibers....................................................................................................................488
A.5.2.1 Labels for Optical Fibers Connecting Devices.................................................................................................... 488
A.5.2.2 Labels for the Optical Fibers Connecting the Device and an ODF..................................................................... 490
A.5.3 Engineering Labels for Network Cables.................................................................................................................491
A.5.4 Engineering Labels for Trunk Cables..................................................................................................................... 493
A.5.4.1 Engineering Labels for Trunk Cables Between Devices..................................................................................... 493
A.5.4.2 Engineering Labels for Trunk Cables Between the Device and a DDF.............................................................. 494
A.5.5 Engineering Labels for User Cables....................................................................................................................... 496
A.5.6 Engineering Labels for Power Cables.................................................................................................................... 497
A.5.6.1 Engineering Labels for DC Power Cables...........................................................................................................497
A.5.6.2 Engineering Labels for AC Power Cables...........................................................................................................498
A.6 Requirements for Customers' Cabinets Purchased from Other Vendors................................................................... 499
A.7 Fault Tag.................................................................................................................................................................... 501
Issue 03 (2017-12-15)
Huawei Proprietary and Confidential
xi
Copyright © Huawei Technologies Co., Ltd.
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