10.3 Installing a BBU...........................................................................................................................................336

10.4 Installing Cables...........................................................................................................................................338

10.4.1 Cabling Requirements.........................................................................................................................339

10.4.2 Installing a Cable Outlet Module in an OMB......................................................................................340

10.4.3 Installing a PGND Cable.....................................................................................................................343

10.4.4 Installing Power Cables.......................................................................................................................344

10.4.5 Installing Transmission Cables............................................................................................................350

10.4.6 Installing a Monitoring Signal Cable Between the HEUA and the BBU............................................355

10.4.7 Installing a CPRI Optical Cable..........................................................................................................356

10.4.8 Installing a GPS Clock Signal Cable...................................................................................................358

10.5 Installation Checklist....................................................................................................................................361

10.6 Power-On Check...........................................................................................................................................365

10.7 Applying Touch-Up Paint............................................................................................................................367

11 Indoor Scenario with DC Power Supply (BBU Installed on a Wall).............................369

11.1 Installation Clearance Requirements............................................................................................................370

11.2 Installation Process.......................................................................................................................................371

11.3 Installing Components on a Wall.................................................................................................................373

11.3.1 Installing a BBU..................................................................................................................................373

11.3.2 Installing a DCDU-03B.......................................................................................................................376

11.4 Installing Cables...........................................................................................................................................379

11.4.1 Cabling Requirements.........................................................................................................................379

11.4.2 Installing PGND Cables......................................................................................................................380

11.4.3 Installing Power Cables.......................................................................................................................383

11.4.4 Installing Transmission Cables............................................................................................................388

11.4.5 (Optional) Installing a Monitoring Signal Cable for the EMUA.........................................................391

11.4.6 Installing a BBU Alarm Cable.............................................................................................................392

11.4.7 Installing a CPRI Optical Cable..........................................................................................................393

11.4.8 Installing a GPS Clock Signal Cable...................................................................................................395

11.5 Installation Checklist....................................................................................................................................397

11.6 Power-On Check...........................................................................................................................................401

12 Indoor Scenario with DC Power Supply (BBU Installed in a 19-Inch Rack)...............403

12.1 Installation Clearance Requirements for a BBU..........................................................................................404

12.2 Installation Process.......................................................................................................................................404

12.3 Installing Components in a 19-Inch Rack....................................................................................................406

12.3.1 Installing a BBU..................................................................................................................................406

12.3.2 Installing a DCDU-03B.......................................................................................................................407

12.3.3 (Optional) Installing a WGRU............................................................................................................407

12.4 Installing Cables...........................................................................................................................................412

12.4.1 Cabling Requirements.........................................................................................................................412

12.4.2 Installing a DCDU-03B PGND Cable.................................................................................................413

12.4.3 Installing Power Cables.......................................................................................................................414

12.4.4 Installing Transmission Cables............................................................................................................419

Issue 06 (2011-09-15)

Huawei Proprietary and Confidential

Contents

Table of Contents