4.1.1 Exterior of the BBU3900.......................................................................................................................4-3
4.1.2 Boards and Module of the BBU3900.....................................................................................................4-4
4.2 GRFU............................................................................................................................................................4-39
4.3 DRFU............................................................................................................................................................4-43
4.4 WRFU...........................................................................................................................................................4-49
4.5 MRFU............................................................................................................................................................4-53
4.6 LRFU.............................................................................................................................................................4-57
4.7 DCDU-01......................................................................................................................................................4-60
4.8 Fan Box.........................................................................................................................................................4-62
4.9 GATM...........................................................................................................................................................4-63
4.10 ELU.............................................................................................................................................................4-65
4.11 Power Equipment (DC/DC)........................................................................................................................4-65
4.11.1 Components of the Power Equipment (DC/DC)................................................................................4-66
4.11.2 PSU (DC/DC).....................................................................................................................................4-66
4.11.3 Power Subrack (DC/DC)....................................................................................................................4-68
4.12.1 Components of the Power Equipment (AC/DC)................................................................................4-69
4.12.2 PMU...................................................................................................................................................4-70
4.12.3 PSU (AC/DC).....................................................................................................................................4-73
4.12.4 Power Subrack (AC/DC)....................................................................................................................4-75
5.1 List of BTS3900 Cables..................................................................................................................................5-3
5.2 BTS3900 Cable Connections..........................................................................................................................5-8
5.2.1 Power Cable Connections......................................................................................................................5-9
5.2.2 Transmission Cable Connections.........................................................................................................5-12
5.2.3 CPRI Cable Connections......................................................................................................................5-38
5.2.4 Monitoring Signal Cable Connections.................................................................................................5-50
5.2.5 RF Cable Connections..........................................................................................................................5-53
5.3 PGND Cables................................................................................................................................................5-66
5.4 Equipotential Cable.......................................................................................................................................5-67
5.5 BTS3900 Power Cable..................................................................................................................................5-68
5.5.1 Input Power Cable for the Cabinet.......................................................................................................5-68
5.5.2 Power Cable for the DCDU-01............................................................................................................5-70
5.5.3 Power Cable for the BBU.....................................................................................................................5-71
5.5.4 Power Cable for the Fan Box...............................................................................................................5-72
5.5.5 Power Cable for the RFU.....................................................................................................................5-72
5.5.6 Power Cable for the GATM.................................................................................................................5-73
5.6.1 E1/T1 Cable..........................................................................................................................................5-75
5.6.2 FE/GE Cable........................................................................................................................................5-77
Contents
BTS3900
Hardware Description
viii
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Issue 04 (2011-02-15)