Huawei AR160 Series - Installing Cards; Scenario 1: Not Removing Guide Rails

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9.3.2.4 Recommendations for DC Power Supply.............................................................................................................189

9.4 Appendix D Equipment Grounding Specifications.................................................................................................... 190

9.4.1 General Grounding Specifications...........................................................................................................................190

9.4.2 Grounding Specifications for an Equipment Room................................................................................................ 190

9.4.3 Grounding Specifications for Devices.....................................................................................................................190

9.4.4 Grounding Specifications for Communications Power Supply...............................................................................191

9.4.5 Grounding Specifications for Signal Cables........................................................................................................... 192

9.4.6 Specifications for Laying Out Grounding Cables................................................................................................... 192

9.5 Appendix E Engineering Labels for Cables............................................................................................................... 193

9.5.1 Introduction to Labels..............................................................................................................................................193

9.5.1.1 Label Materials..................................................................................................................................................... 193

9.5.1.2 Type and Structure................................................................................................................................................194

9.5.1.3 Label Printing....................................................................................................................................................... 195

9.5.1.4 Writing Labels...................................................................................................................................................... 197

9.5.1.5 Attaching Labels...................................................................................................................................................198

9.5.1.6 Contents of Engineering Labels........................................................................................................................... 200

9.5.1.7 Precautions for Using Engineering Labels........................................................................................................... 201

9.5.2 Engineering Labels for Optical Fibers.....................................................................................................................201

9.5.2.1 Labels for the Optical Fibers Connecting Devices...............................................................................................201

9.5.2.2 Labels for the Optical Fibers Connecting the Device and an ODF...................................................................... 202

9.5.3 Engineering Labels for Network Cables................................................................................................................. 204

9.5.4 Engineering Labels for User Cables........................................................................................................................205

9.5.5 Engineering Labels for Power Cables..................................................................................................................... 206

9.5.5.1 Engineering Labels for DC Power Cables............................................................................................................207

9.5.5.2 Engineering Labels for AC Power Cables............................................................................................................208

9.6 Appendix F Guide to Using Optical Modules............................................................................................................ 209

9.7 Appendix G Fault Tag................................................................................................................................................ 212

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Issue 05 (2018-07-30) Huawei Proprietary and Confidential