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BTS3900
Hardware Description
About This Chapter
This describes the components of the BTS3900, which are the BBU3900, RFUs, DCDU-01,
FAN unit, DC/DC power system, AC/DC power system and optional modules. The AC/DC
power system is configured in the BTS3900 cabinet (220 V); the DC/DC power system is
configured in the BTS3900 cabinet (+24 V).
4.1 BBU3900 Equipment
This describes the BBU3900 equipment in terms of the appearance, boards and their panels,
module, LEDs, ports, and engineering specifications.
4.2 GRFU
The GSM Radio Frequency Unit (GRFU) is designed on the basis of multi-transceiver
technology. One GRFU supports 6 carriers.
4.3 DRFU
The Double Radio Frequency Unit (DRFU) is a dual-density RF unit. A DRFU processes two
carriers.
4.4 WRFU
One WCDMA Radio Filter Unit (WRFU) supports 2 carriers or 4 carriers.
4.5 MRFU
One Multi-Mode Radio Frequency Unit (MRFU) supports a maximum of six carriers.
4.6 LRFU
LTE Radio Frequency Units (LRFUs) work in Frequency Division Duplex (FDD) mode.
4.7 DCDU-01
The Direct Current Distribution Unit-01 (DCDU-01) supplies DC power to each component in
the cabinet.
4.8 Fan Box
A fan box consists of a fan tray, four fans, and an FMU.
4.9 GATM
The GSM Antenna and TMA control Module (GATM) controls the antenna and TMA.
4.10 ELU
Issue 04 (2011-02-15)
4
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
BTS3900 Components
4 BTS3900 Components
4-1
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