(4) BBU3900
(5) DCDU-01
(6) Power equipment (AC/DC)
describes the components in the cabinet.
Table 3-1
Components in the cabinet
Module
Optional or
Mandatory
Maximum
Number of
Boards or
Modules
Configured
in a Single
Cabinet
Remarks
RFU
Optional
6
The RFU performs modulation and
demodulation between baseband signals and
RF signals, processes data, and combines and
divides signals.
RFU filler
panel
Optional
6
To ensure proper ventilation of the cabinet, the
slot in the RFU subrack that is not installed
with an RFU must be installed with a filler
panel.
Fan box
Mandatory
1
The fan dissipates the heat in the cabinet.
BBU3900
Optional
1
The BBU3900 processes the baseband signals
and enables interaction between the base
station and the base station controller.
DCDU-01
Mandatory
1
The DCDU-01 provides DC power to all
components in the cabinet.
Power
equipment
(DC/DC)
Optional
1
The power equipment (DC/DC) converts
ex24 V DC power into -48 V DC power
and provides power to all components in the
cabinet.
Power
equipment
(AC/DC)
Optional
1
The power equipment (AC/DC) converts
external 220 V AC single-phase, 220 V AC
three-phase, and 110 V AC dual-live-wire
power into -48 V DC power and provides
power to all components in the cabinet.
3 BTS3900 Hardware Configuration
BTS3900
Hardware Description
3-4
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Copyright © Huawei Technologies Co., Ltd.
Issue 04 (2011-02-15)