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Airbridge BTS3612A-1900
User Manuals: Huawei Airbridge BTS3612A-1900 Station
Manuals and User Guides for Huawei Airbridge BTS3612A-1900 Station. We have
1
Huawei Airbridge BTS3612A-1900 Station manual available for free PDF download: Technical Manual
Huawei Airbridge BTS3612A-1900 Technical Manual (133 pages)
CDMA Base Station
Brand:
Huawei
| Category:
Accessories
| Size: 1.07 MB
Table of Contents
Table of Contents
1
Chapter 1 Overall Structure
6
Physical Structure
6
Functional Structure
8
Chapter 2 Baseband Subsystem
9
Overview
9
Functional Structure
9
Introduction to Baseband Boards
9
Bckm
10
Overview
10
Structure and Principle
10
External Interfaces
12
Indices
13
Bcim
13
Overview
13
Structure and Principle
13
External Interfaces
15
Indices
15
Bcpm
15
Overview
15
Structure and Principle
16
External Interfaces
17
Indices
18
Brdm
18
Overview
18
Structure and Principle
18
External Interfaces
20
Indices
21
Basb
21
Overview
21
Structure and Principle
21
External Interfaces
22
Indices
22
Besp
22
Overview
22
Structure and Principle
23
External Interfaces
24
Indices
24
Bfan
25
Bfmm
25
Bfib
27
Chapter 3 Radio Frequency Subsystem
29
Overview
29
Radio Frequency Subsystem Functional Structure
29
Introduction to RF Modules
30
Btrm
30
Overview
30
Structure and Principle
31
External Interfaces
33
Indices
34
Bhpa
34
Overview
34
Structure and Principle
34
External Interfaces
36
Indices
36
Btrb
36
Overview
36
Structure and Principle
36
External Interfaces
37
Indices
38
Cdu
38
Overview
38
Structure and Principle
38
External Interfaces
39
Indices
40
Dfu
40
Overview
40
Structure and Principle
40
External Interfaces
41
Indices
41
Ddu
42
Overview
42
Structure and Principle
42
External Interfaces
43
Indices
43
Rldu
44
Overview
44
Structure and Principle
44
External Interfaces
45
Indices
46
Brfm
46
Bbfm
46
Bbfl
48
Chapter 4 Antenna & Feeder Subsystem
50
Overview
50
RF Antenna & Feeder
50
Antenna
50
Feeder
52
Lightning Arrester (Optional)
52
Tower-Top Amplifier (Optional)
53
Satellite Synchronization Antenna & Feeder
53
Overview
53
Antenna
56
Feeder
56
Lightning Arrester
56
Receiver
56
Chapter 5 Power & Environment Monitoring Subsystem
58
Overview
58
Power Distribution
59
AC Distribution
59
DC Distribution
60
Power Distribution Devices
62
Environment Monitoring
63
Structure of Monitoring System
63
Monitoring Devices
64
Chapter 6 Lightning Protection and Grounding
66
Overview
66
BTS Lightning Protection Principle
66
Principle and Characteristics
66
Lightning Protection for AC Power
67
Lightning Protection for Trunk Cables
67
Lighting Protection for Antenna & Feeder Subsystem
68
Grounding of BTS Equipment
69
Internal Grounding of Cabinet
69
External Grounding of Cabinet
69
Grounding of AC Lightning Arrester
69
Grounding of Transmission Equipment
70
Grounding of Overhead E1/T1 and HDSL Cables
70
Grounding of BTS Surge Protector
70
Chapter 7 BTS Signal Flows
71
Overview
71
Abis Traffic Signal Flow
73
Abis Signaling Message Flow
74
O&M Signal Flow
75
Clock Signal Flow
75
Chapter 8 BTS Configuration
76
Configuration Principle
76
Configuration of Main Equipment
76
Configuration of Baseband Boards
76
Configuration of RF Modules
78
Configuration of Power Modules
80
Configuration of Auxiliary Equipment
80
Batteries
80
Temperature Control Device
81
Monitoring Devices
81
Transmission Equipment
82
Configuration of Antenna and Feeder
82
Networking Configuration
82
Star Networking
83
Chain Networking
84
Tree Networking
85
Fractional ATM Networking
86
Cascading with Odu3601Cs
86
Typical Configurations
87
Overview
87
S(2/2/2) Configuration
88
S(4/4/4) Configuration
89
Appendix A Performance of Receiver and Transmitter
93
Performance of Receiver
93
Frequency Coverage
93
Access Probe Acquisition
93
R-TCH Demodulation Performance
93
Receiving Performance
102
Limitations on Emissions
104
Received Signal Quality Indicator (RSQI
104
Performance of Transmitter
105
Frequency Requirements
105
Modulation Requirements
105
RF Output Power
106
Limitations on Emissions
107
Appendix B EMC Performance
109
EMI Performance
109
EMS Performance
110
Appendix C Environment Requirements
114
Storage Environment
114
Transportation Environment
116
Operation Environment
118
Appendix D Electromagnetic Radiation
121
Introduction
121
Maximum Permissible Exposure
121
Estimation of Exposure to Electromagnetic Fields
123
Calculation of Safe Distance
123
Location of BTS Antennae
124
Exclusion Zones
124
Guidelines on Arranging Antenna Locations
125
Appendix E Abbreviations and Acronyms
126
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