3.3.1.1 Mounting a Device in a Cabinet........................................................................................................................... 270

3.3.1.2 Mounting a Device on a Workbench.................................................................................................................... 273

3.3.1.3 Mounting a Device Against a Wall.......................................................................................................................275

3.3.2 Connecting a PGND Cable......................................................................................................................................277

3.3.3 Connecting a Console Cable....................................................................................................................................278

3.3.4 Connecting an Ethernet Cable................................................................................................................................. 281

3.3.5 Connecting a Power Adapter................................................................................................................................... 283

3.3.6 Powering On or Off the USG6310/6320................................................................................................................. 284

3.4 Installing a 1 U Device (USG6306/6308/6330/6350/6360/6370/6380/6390/6390E/

6507/6530/6550/6570/6620/6630)................................................................................................................................... 285

3.4.1 Mounting a Device to a Specified Location............................................................................................................ 286

3.4.1.1 Mounting a Device in a Cabinet........................................................................................................................... 286

3.4.1.2 Mounting a Device on a Workbench.................................................................................................................... 292

3.4.2 Connecting a PGND Cable......................................................................................................................................294

3.4.3 Installing an Expansion Card...................................................................................................................................295

3.4.4 Installing a Hard Disk Combination........................................................................................................................ 296

3.4.5 Connecting a Console Cable....................................................................................................................................298

3.4.6 Connecting an Ethernet Cable................................................................................................................................. 300

3.4.7 Installing Optical Transceivers and Connecting Optical Fibers.............................................................................. 302

3.4.8 Connecting AC Power Cables................................................................................................................................. 304

3.4.9 Powering On or Off the USG6306/6308/6330/6350/6360/6370/6380/6390/6390E/

6507/6530/6550/6570/6620/6630.....................................................................................................................................305

3.5 Installing a 3 U Device (USG6650/6660/6670/6680)................................................................................................ 307

3.5.1 Mounting a Device in a Cabinet.............................................................................................................................. 307

3.5.2 Connecting a PGND Cable......................................................................................................................................314

3.5.3 Installing an Expansion Card...................................................................................................................................315

3.5.4 Installing Hard Disk Units....................................................................................................................................... 318

3.5.5 Connecting a Console Cable....................................................................................................................................321

3.5.6 Connecting an Ethernet Cable................................................................................................................................. 325

3.5.7 Installing Optical Transceivers and Connecting Optical Fibers.............................................................................. 326

3.5.8 Connecting Power Cables........................................................................................................................................329

3.5.8.1 Connecting AC Power Cables.............................................................................................................................. 329

3.5.8.2 Connecting DC Power Cables.............................................................................................................................. 330

3.5.9 Powering On or Off the USG6650/6660/6670/6680............................................................................................... 333

4 Maintaining the Hardware...................................................................................................... 336

4.1 Replacing an Expansion Card.....................................................................................................................................336

4.2 Replacing the Hard Disk.............................................................................................................................................339

4.3 Expanding the Hard Disk........................................................................................................................................... 343

4.4 Replacing a Power Module.........................................................................................................................................357

4.5 Replacing a Fan Module.............................................................................................................................................363

4.6 Replacing a Micro SD Card (USG6305/6305-W/6310S/6310S-W/6310S-WL-OVS/6510/6510-WL).................... 365

4.7 Replacing a SIM Card (USG6310S-WL-OVS/6510-WL)......................................................................................... 368

Issue 08 (2017-06-30)

Huawei Proprietary and Confidential

xii

Table of Contents