00-2 table of contents

BTS3812E&BTS3812A Hardware Reference Table of Contents

Huawei Technologies Proprietary

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Table of Contents

Chapter 1 About This Manual....................................................................................................... 1-1 1.1 Purpose of This Manual..................................................................................................... 1-1 1.2 Intended Readers .............................................................................................................. 1-1 1.3 Organization of This Manual.............................................................................................. 1-1 1.4 References......................................................................................................................... 1-1

Chapter 2 Overview of the BTS3812E System ........................................................................... 2-1 2.1 About This Chapter ............................................................................................................ 2-1 2.2 Structure of the BTS3812E System................................................................................... 2-1

Chapter 3 BTS3812E Cabinet ....................................................................................................... 3-1 3.1 About This Chapter ............................................................................................................ 3-1 3.2 Appearance of the BTS3812E Cabinet ............................................................................. 3-1 3.3 Configuration of the BTS3812E Cabinet ........................................................................... 3-2 3.4 Subracks in the BTS3812E Cabinet .................................................................................. 3-4

3.4.1 MAFU Subrack ........................................................................................................ 3-4 3.4.2 MTRU Subrack........................................................................................................ 3-4 3.4.3 NFAN Subrack ........................................................................................................ 3-4 3.4.4 Baseband Subrack.................................................................................................. 3-4

3.5 BTS3812E Cabinet Cabling............................................................................................... 3-5 3.5.1 Overview of the BTS3812E Cabinet Cabling .......................................................... 3-5 3.5.2 Cabling on the BTS3812E Cabinet Front................................................................ 3-5 3.5.3 Cabling on Upper Interior Surface of the BTS3812E Cabinet ................................ 3-7 3.5.4 Cables of the BTS3812E Cabinet ........................................................................... 3-7

3.6 Technical Specifications of the BTS3812E Cabinet .......................................................... 3-8 3.6.1 Cabinet Dimensions ................................................................................................ 3-8 3.6.2 Weight ..................................................................................................................... 3-8 3.6.3 Power Supply .......................................................................................................... 3-9 3.6.4 Power Consumption................................................................................................ 3-9

Chapter 4 Components of the BTS3812E Cabinet ..................................................................... 4-1 4.1 About This Chapter ............................................................................................................ 4-1 4.2 Power Busbar .................................................................................................................... 4-1 4.3 Introduction to the Cabinet Top ......................................................................................... 4-1 4.4 BESP ................................................................................................................................. 4-3 4.5 NMLP................................................................................................................................. 4-5

Chapter 5 Overview of the BTS3812A ......................................................................................... 5-1 5.1 About This Chapter ............................................................................................................ 5-1 5.2 Structure of the BTS3812A System................................................................................... 5-1



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Chapter 6 BTS3812A Cabinet....................................................................................................... 6-1 6.1 About This Chapter ............................................................................................................ 6-1 6.2 Appearance of the BTS3812A Cabinet ............................................................................. 6-1 6.3 Configuration of the BTS3812A Cabinet ........................................................................... 6-2 6.4 Subracks in the BTS3812A Cabinet .................................................................................. 6-4

6.4.1 MAFU Subrack ........................................................................................................ 6-4 6.4.2 MTRU Subrack........................................................................................................ 6-4 6.4.3 NFAN Subrack ........................................................................................................ 6-4 6.4.4 Baseband Subrack.................................................................................................. 6-4 6.4.5 Power Subrack........................................................................................................ 6-5 6.4.6 Transmission Device Subrack................................................................................. 6-5 6.4.7 Lightning Protection Subrack .................................................................................. 6-5 6.4.8 AC Power Distribution Subrack............................................................................... 6-6 6.4.9 Lightning Protection and Filter Subrack .................................................................. 6-6 6.4.10 Storage Battery Cabin........................................................................................... 6-6

6.5 Cabling Holes on Cabinet-bottom...................................................................................... 6-6 6.6 BTS3812A Cabinet Cabling............................................................................................... 6-8

6.6.1 Overview of the BTS3812A Cabinet Cabling .......................................................... 6-8 6.6.2 Front View of Cabling on the BTS3812A Cabinet................................................... 6-8 6.6.3 Description of Cabling on the BTS3812A Cabinet Front ...................................... 6-10 6.6.4 Rear View of Cabling on the BTS3812A Cabinet ................................................. 6-10 6.6.5 Description of Cabling on the BTS3812A Cabinet Back....................................... 6-12

6.7 Technical Specifications of the BTS3812A Cabinet ........................................................ 6-13 6.7.1 Cabinet Dimensions .............................................................................................. 6-13 6.7.2 Weight ................................................................................................................... 6-13 6.7.3 Power Supply ........................................................................................................ 6-14 6.7.4 Power Consumption.............................................................................................. 6-14

Chapter 7 Components of the BTS3812A Cabinet..................................................................... 7-1 7.1 About This Chapter ............................................................................................................ 7-1 7.2 Power Busbar .................................................................................................................... 7-1 7.3 Front Door of the BTS3812A Cabinet................................................................................ 7-1 7.4 Storage Batteries ............................................................................................................... 7-2 7.5 Waterproof Module ............................................................................................................ 7-2 7.6 BESP ................................................................................................................................. 7-3 7.7 NMLA................................................................................................................................. 7-5 7.8 NPMI .................................................................................................................................. 7-6

Chapter 8 Boards in the BTS3812E and BTS3812A................................................................... 8-1 8.1 About This Chapter ............................................................................................................ 8-1 8.2 HBBI................................................................................................................................... 8-3

8.2.1 Functions................................................................................................................. 8-3 8.2.2 HBBI Panel.............................................................................................................. 8-4



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8.2.3 HBBI Indicators ....................................................................................................... 8-4 8.2.4 HBBI Ports............................................................................................................... 8-5

8.3 HBOI .................................................................................................................................. 8-5 8.3.1 Functions................................................................................................................. 8-5 8.3.2 HBOI Panel ............................................................................................................. 8-6 8.3.3 HBOI Indicators ....................................................................................................... 8-7 8.3.4 HBOI Ports .............................................................................................................. 8-8

8.4 HDLP ................................................................................................................................. 8-8 8.4.1 Functions................................................................................................................. 8-8 8.4.2 HDLP Panel............................................................................................................. 8-9 8.4.3 HDLP Indicators ...................................................................................................... 8-9 8.4.4 HDLP Ports ........................................................................................................... 8-10

8.5 HULP ............................................................................................................................... 8-10 8.5.1 Functions............................................................................................................... 8-10 8.5.2 HULP Panel........................................................................................................... 8-11 8.5.3 HULP Indicators .................................................................................................... 8-11 8.5.4 HULP Ports ........................................................................................................... 8-11

8.6 MAFU............................................................................................................................... 8-11 8.6.1 Functions............................................................................................................... 8-11 8.6.2 MAFU Panel .......................................................................................................... 8-11 8.6.3 MAFU Indicators.................................................................................................... 8-12 8.6.4 MAFU Ports........................................................................................................... 8-13

8.7 MTRU............................................................................................................................... 8-14 8.7.1 Functions............................................................................................................... 8-14 8.7.2 MTRU Panel.......................................................................................................... 8-14 8.7.3 MTRU Indicators ................................................................................................... 8-15 8.7.4 MTRU Ports........................................................................................................... 8-16

8.8 NAOI ................................................................................................................................ 8-17 8.8.1 Functions............................................................................................................... 8-17 8.8.2 NAOI Types........................................................................................................... 8-18 8.8.3 NAOI Panel ........................................................................................................... 8-18 8.8.4 NAOI Indicators ..................................................................................................... 8-19 8.8.5 NAOI Ports ............................................................................................................ 8-19 8.8.6 NAOI DIP Switches ............................................................................................... 8-19

8.9 NCCU............................................................................................................................... 8-22 8.9.1 Functions............................................................................................................... 8-22 8.9.2 NCCU Panel.......................................................................................................... 8-22 8.9.3 NCCU Indicators ................................................................................................... 8-23 8.9.4 NCCU Ports........................................................................................................... 8-23

8.10 NDTI............................................................................................................................... 8-24 8.10.1 NDTI Functions ................................................................................................... 8-24 8.10.2 NDTI Panel.......................................................................................................... 8-25



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8.10.3 NDTI Indicators ................................................................................................... 8-25 8.10.4 NDTI Ports........................................................................................................... 8-25 8.10.5 NDTI DIP Switches ............................................................................................. 8-25

8.11 NFAN ............................................................................................................................. 8-27 8.11.1 NFAN Functions.................................................................................................. 8-27 8.11.2 NFAN Panel ........................................................................................................ 8-27 8.11.3 NFAN Indicator.................................................................................................... 8-28 8.11.4 NFAN Ports ......................................................................................................... 8-28

8.12 NMON............................................................................................................................ 8-29 8.12.1 NMON Functions................................................................................................. 8-29 8.12.2 NMON Panel ....................................................................................................... 8-29 8.12.3 NMON Indicators................................................................................................. 8-30 8.12.4 NMON Ports ........................................................................................................ 8-31

8.13 NMPT............................................................................................................................. 8-31 8.13.1 NMPT Functions ................................................................................................. 8-31 8.13.2 NMPT Types ....................................................................................................... 8-32 8.13.3 NMPT Panel ........................................................................................................ 8-32 8.13.4 NMPT Indicators ................................................................................................. 8-33 8.13.5 NMPT Ports......................................................................................................... 8-34

8.14 PMU ............................................................................................................................... 8-34 8.14.1 PMU Functions.................................................................................................... 8-34 8.14.2 PMU Panel .......................................................................................................... 8-35 8.14.3 PMU Indicators.................................................................................................... 8-36 8.14.4 PMU Ports ........................................................................................................... 8-36 8.14.5 PMU DIP Switch.................................................................................................. 8-37

8.15 PSU................................................................................................................................ 8-37 8.15.1 PSU Functions .................................................................................................... 8-37 8.15.2 PSU Panel........................................................................................................... 8-38 8.15.3 PSU Indicators .................................................................................................... 8-38 8.15.4 PSU Ports............................................................................................................ 8-39

Chapter 9 Cables of the BTS3812E and BTS3812A ................................................................... 9-1 9.1 Overview of Cables of the BTS3812E and BTS3812A...................................................... 9-1 9.2 List of Cables of the BTS3812E and BTS3812A............................................................... 9-1

9.2.1 BTS3812E DC Power Cables and PGND Cables .................................................. 9-1 9.2.2 BTS3812A AC Power Cables and PGND Cables................................................... 9-2 9.2.3 Cables on Busbar.................................................................................................... 9-4 9.2.4 Transmission Cable ................................................................................................ 9-5 9.2.5 Signal Cable ............................................................................................................ 9-6 9.2.6 Cables for Sensors, Monitoring and Alarms ......................................................... 9-10 9.2.7 Battery Cable......................................................................................................... 9-11

9.3 Power Cables on Cabinet Top (BTS3812E).................................................................... 9-12 9.3.1 Functions............................................................................................................... 9-12



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9.3.2 Structure................................................................................................................ 9-13 9.3.3 Pin Definition ......................................................................................................... 9-13 9.3.4 Installation Positions ............................................................................................. 9-13

9.4 AC Power Cable (BTS3812A) ......................................................................................... 9-14 9.4.1 Functions............................................................................................................... 9-14 9.4.2 Structure................................................................................................................ 9-14 9.4.3 Pin Definition ......................................................................................................... 9-15 9.4.4 Installation Positions ............................................................................................. 9-15

9.5 PGND Cable (BTS3812E) ............................................................................................... 9-16 9.5.1 Functions............................................................................................................... 9-16 9.5.2 Structure................................................................................................................ 9-16 9.5.3 Pin Definition ......................................................................................................... 9-16 9.5.4 Installation Positions ............................................................................................. 9-16

9.6 PGND Cable (BTS3812A) ............................................................................................... 9-17 9.6.1 Functions............................................................................................................... 9-17 9.6.2 Structure................................................................................................................ 9-17 9.6.3 Pin Definition ......................................................................................................... 9-17 9.6.4 Installation Positions ............................................................................................. 9-17

9.7 Power Cable from Busbar to Baseband Subrack and MTRU (BTS3812E and BTS3812A)9-18 9.7.1 Functions............................................................................................................... 9-18 9.7.2 Structure................................................................................................................ 9-18 9.7.3 Pin Definition ......................................................................................................... 9-18 9.7.4 Installation Positions ............................................................................................. 9-19

9.8 Power Cable from Busbar to NFAN Subrack (BTS3812E and BTS3812A).................... 9-20 9.8.1 Functions............................................................................................................... 9-20 9.8.2 Structure................................................................................................................ 9-20 9.8.3 Pin Definition ......................................................................................................... 9-20 9.8.4 Installation Positions ............................................................................................. 9-21

9.9 Power Supply and MAFU Position Identification Cable from Busbar to MAFU (BTS3812E and BTS3812A) ..................................................................................................................... 9-21

9.9.1 Functions............................................................................................................... 9-21 9.9.2 Structure................................................................................................................ 9-21 9.9.3 Pin Definition ......................................................................................................... 9-22 9.9.4 Installation Positions ............................................................................................. 9-23

9.10 Power Cable from Busbar to Lamp (BTS3812A)........................................................... 9-23 9.10.1 Functions............................................................................................................. 9-23 9.10.2 Structure.............................................................................................................. 9-23 9.10.3 Pin Definition ....................................................................................................... 9-24 9.10.4 Installation Positions ........................................................................................... 9-24

9.11 Reserved Power Cable from Busbar to Transmission Device Subrack (BTS3812A) ... 9-24 9.11.1 Functions............................................................................................................. 9-24 9.11.2 Structure.............................................................................................................. 9-24



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9.11.3 Pin Definition ....................................................................................................... 9-25 9.11.4 Installation Positions ........................................................................................... 9-25

9.12 Power Cable from Busbar to Heat Exchanger............................................................... 9-25 9.12.1 Functions............................................................................................................. 9-25 9.12.2 Structure.............................................................................................................. 9-25 9.12.3 Pin Definition ....................................................................................................... 9-26 9.12.4 Installation Positions ........................................................................................... 9-26

9.13 75-ohm E1 Cable (BTS3812E and BTS3812A) ............................................................ 9-26 9.13.1 Functions............................................................................................................. 9-26 9.13.2 Structure.............................................................................................................. 9-27 9.13.3 Pin Definition ....................................................................................................... 9-27 9.13.4 Installation Positions ........................................................................................... 9-28

9.14 120-ohm E1 Cable (BTS3812E and BTS3812A) .......................................................... 9-29 9.15 100-ohm T1 Cable (BTS3812E and BTS3812A)........................................................... 9-29 9.16 Optical Cable (BTS3812E and BTS3812A)................................................................... 9-29

9.16.1 Functions............................................................................................................. 9-29 9.16.2 Structure.............................................................................................................. 9-29 9.16.3 Pin Definition ....................................................................................................... 9-30 9.16.4 Installation Positions ........................................................................................... 9-30

9.17 Lightning Protection Failure Alarm Cable on Cabinet Top (BTS3812E) ....................... 9-30 9.17.1 Functions............................................................................................................. 9-30 9.17.2 Structure.............................................................................................................. 9-30 9.17.3 Pin Definition ......................................................................................................... 9-1 9.17.4 Installation Positions ............................................................................................. 9-1

9.18 BBUS Signal Cable (BTS3812E and BTS3812A) ........................................................... 9-2 9.18.1 Functions............................................................................................................... 9-2 9.18.2 Structure................................................................................................................ 9-2 9.18.3 Pin Definition ......................................................................................................... 9-2 9.18.4 Installation Positions ............................................................................................. 9-4

9.19 RF Rx/Tx Signal Cables Between MTRU and MAFU (BTS3812E and BTS3812A) ....... 9-5 9.19.1 Functions............................................................................................................... 9-5 9.19.2 Structure................................................................................................................ 9-5 9.19.3 Pin Definition ......................................................................................................... 9-6 9.19.4 Installation Positions ............................................................................................. 9-6

9.20 Wiring Between RF Ports on MTRU and MAFU (BTS3812E and BTS3812A) ............... 9-6 9.20.1 Overview of Wiring Between RF Ports on MTRU and MAFU............................... 9-6 9.20.2 RF Port Wiring Between MTRU and MAFU in 2-way Rx & 3-4 Carriers Mode .... 9-6 9.20.3 RF Port Wiring Between MTRU and MAFU in 2-way Rx & 1-2 Carriers Mode .... 9-7 9.20.4 RF Port Wiring Between MTRU and MAFU in 4-way Rx Diversity & 1-2 Carriers Mode ................................................................................................................................ 9-8

9.21 RF Jumper (BTS3812E and BTS3812A)......................................................................... 9-9 9.21.1 Functions............................................................................................................... 9-9



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9.21.2 Structure................................................................................................................ 9-9 9.21.3 Pin Definition ......................................................................................................... 9-9 9.21.4 Installation Positions ........................................................................................... 9-10

9.22 GPS Jumper (BTS3812E and BTS3812A).................................................................... 9-10 9.22.1 Functions............................................................................................................. 9-10 9.22.2 Structure.............................................................................................................. 9-10 9.22.3 Pin Definition ....................................................................................................... 9-11 9.22.4 Installation Positions ........................................................................................... 9-11

9.23 BITS Clock Cable (BTS3812E)...................................................................................... 9-11 9.23.1 Functions............................................................................................................. 9-11 9.23.2 Structure.............................................................................................................. 9-11 9.23.3 Pin Definition ....................................................................................................... 9-12 9.23.4 Installation Positions ........................................................................................... 9-12

9.24 Boolean Value Output Cable (BTS3812E) .................................................................... 9-12 9.24.1 Functions............................................................................................................. 9-12 9.24.2 Structure.............................................................................................................. 9-12 9.24.3 Pin Definition ....................................................................................................... 9-13 9.24.4 Installation Positions ........................................................................................... 9-14

9.25 Boolean Value Input Cable (BTS3812E) ....................................................................... 9-14 9.25.1 Functions............................................................................................................. 9-14 9.25.2 Structure.............................................................................................................. 9-14 9.25.3 Pin Definition ....................................................................................................... 9-14 9.25.4 Installation Positions ........................................................................................... 9-17

9.26 Signal Cable of the Environment Monitoring Device (BTS3812E) ................................ 9-17 9.26.1 Functions............................................................................................................. 9-17 9.26.2 Structure.............................................................................................................. 9-17 9.26.3 Pin Definition ....................................................................................................... 9-18 9.26.4 Installation Positions ........................................................................................... 9-18

9.27 RET Controlling Signal Transfer Cable (BTS3812E and BTS3812A) ........................... 9-18 9.27.1 Functions............................................................................................................. 9-18 9.27.2 Structure.............................................................................................................. 9-18 9.27.3 Pin Definition ....................................................................................................... 9-19 9.27.4 Installation Positions ........................................................................................... 9-19

9.28 Standby RS485 Monitoring Signal Cable (BTS3812E) ................................................. 9-20 9.29 Ethernet Cable (BTS3812E and BTS3812A) ................................................................ 9-20

9.29.1 Functions............................................................................................................. 9-20 9.29.2 Structure.............................................................................................................. 9-20 9.29.3 Pin Definition ....................................................................................................... 9-20 9.29.4 Installation Positions ........................................................................................... 9-21

9.30 Serial Port Signal Cable (BTS3812E and BTS3812A) .................................................. 9-21 9.30.1 Function............................................................................................................... 9-21 9.30.2 Structure.............................................................................................................. 9-21



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9.30.3 Pin Definition ....................................................................................................... 9-22 9.30.4 Installation Positions ........................................................................................... 9-22

9.31 E1 Signal Transfer Cable (BTS3812E).......................................................................... 9-22 9.31.1 Functions............................................................................................................. 9-22 9.31.2 Structure.............................................................................................................. 9-23 9.31.3 Pin Definition ....................................................................................................... 9-23 9.31.4 Installation Positions ........................................................................................... 9-26

9.32 E1 Signal Transfer Cable (BTS3812A).......................................................................... 9-26 9.32.1 Functions............................................................................................................. 9-26 9.32.2 Structure.............................................................................................................. 9-26 9.32.3 Pin Definition ....................................................................................................... 9-26 9.32.4 Installation Positions ........................................................................................... 9-29

9.33 Boolean Value Signal Transfer Cable (BTS3812E)....................................................... 9-29 9.33.1 Functions............................................................................................................. 9-29 9.33.2 Structure.............................................................................................................. 9-29 9.33.3 Pin Definition ....................................................................................................... 9-30 9.33.4 Installation Positions ........................................................................................... 9-31

9.34 RS485 Monitoring Signal Transfer Cable (BTS3812E) ................................................. 9-32 9.34.1 Functions............................................................................................................. 9-32 9.34.2 Structure.............................................................................................................. 9-32 9.34.3 Pin Definition ....................................................................................................... 9-32 9.34.4 Installation Positions ........................................................................................... 9-34

9.35 RS485 Monitoring Signal Transfer Cable (BTS3812A) ................................................. 9-34 9.35.1 Functions............................................................................................................. 9-34 9.35.2 Structure.............................................................................................................. 9-34 9.35.3 Pin Definition ....................................................................................................... 9-35 9.35.4 Installation Positions ........................................................................................... 9-37

9.36 GPS Clock Signal Transfer Cable (BTS3812E) ............................................................ 9-37 9.36.1 Functions............................................................................................................. 9-37 9.36.2 Structure.............................................................................................................. 9-37 9.36.3 Pin Definition ....................................................................................................... 9-38 9.36.4 Installation Positions ........................................................................................... 9-38

9.37 GPS Clock Signal Transfer Cable (BTS3812A) ............................................................ 9-38 9.37.1 Functions............................................................................................................. 9-38 9.37.2 Structure.............................................................................................................. 9-39 9.37.3 Pin Definition ....................................................................................................... 9-39 9.37.4 Installation Positions ........................................................................................... 9-39

9.38 RET Controlling Signal Transfer Cable (BTS3812E and BTS3812A) ........................... 9-39 9.38.1 Functions............................................................................................................. 9-39 9.38.2 Structure.............................................................................................................. 9-40 9.38.3 Pin Definition ....................................................................................................... 9-40 9.38.4 Installation Positions ........................................................................................... 9-41



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9.39 PMU Monitoring Cable (BTS3812A).............................................................................. 9-41 9.39.1 Functions............................................................................................................. 9-41 9.39.2 Structure.............................................................................................................. 9-41 9.39.3 Pin Definition ....................................................................................................... 9-42 9.39.4 Installation Positions ........................................................................................... 9-43

9.40 Fuse Alarm Cable (BTS3812A) ..................................................................................... 9-43 9.40.1 Functions............................................................................................................. 9-43 9.40.2 Structure.............................................................................................................. 9-43 9.40.3 Pin Definition ....................................................................................................... 9-44 9.40.4 Installation Positions ........................................................................................... 9-44

9.41 AC Lightning Arrester Alarm Cable (BTS3812A)........................................................... 9-44 9.41.1 Functions............................................................................................................. 9-44 9.41.2 Structure.............................................................................................................. 9-44 9.41.3 Pin Definition ....................................................................................................... 9-45 9.41.4 Installation Positions ........................................................................................... 9-45

9.42 Humidity and Temperature Sensor Cable (BTS3812A) ................................................ 9-45 9.42.1 Functions............................................................................................................. 9-45 9.42.2 Structure.............................................................................................................. 9-45 9.42.3 Pin Definition ....................................................................................................... 9-46 9.42.4 Installation Positions ........................................................................................... 9-46

9.43 Door Status Sensor Cable (BTS3812A) ........................................................................ 9-46 9.43.1 Functions............................................................................................................. 9-46 9.43.2 Structure.............................................................................................................. 9-47 9.43.3 Pin Definition ....................................................................................................... 9-47 9.43.4 Installation Positions ........................................................................................... 9-47

9.44 Smoke Sensor Cable (BTS3812A)................................................................................ 9-48 9.44.1 Functions............................................................................................................. 9-48 9.44.2 Structure.............................................................................................................. 9-48 9.44.3 Pin Definition ....................................................................................................... 9-48 9.44.4 Installation Positions ........................................................................................... 9-48

9.45 Water Sensor Cable (BTS3812A).................................................................................. 9-49 9.45.1 Functions............................................................................................................. 9-49 9.45.2 Structure.............................................................................................................. 9-49 9.45.3 Pin Definition ....................................................................................................... 9-49 9.45.4 Installation Positions ........................................................................................... 9-49

9.46 Built-in Battery Sensor Cable (BTS3812A).................................................................... 9-49 9.46.1 Functions............................................................................................................. 9-49 9.46.2 Structure.............................................................................................................. 9-50 9.46.3 Pin Definition ....................................................................................................... 9-50 9.46.4 Installation Positions ........................................................................................... 9-50

9.47 Built-in Battery Cables (BTS3812A) .............................................................................. 9-50 9.47.1 Functions............................................................................................................. 9-50



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9.47.2 Structure.............................................................................................................. 9-50 9.47.3 Pin Definition ....................................................................................................... 9-51 9.47.4 Installation Positions ........................................................................................... 9-51

9.48 External Battery Cables (BTS3812A) ............................................................................ 9-52 9.48.1 Functions............................................................................................................. 9-52 9.48.2 Structure.............................................................................................................. 9-52 9.48.3 Pin Definition ....................................................................................................... 9-53 9.48.4 Installation Positions ........................................................................................... 9-53

Appendix A Acronyms and Abbreviations .................................................................................A-1

Index ................................................................................................................................................ i-1

00-2 table of contents

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