DBS3800 Product Description
Issue V0.1 (2009-11-27)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
21
Figure 3-2
BBU indoor/RRUs outdoor installation
3.2.3 Outdoor Distributed Installation of BBU+RRUs
Figure 3-3 shows the outdoor distributed installation of BBU+RRUs.
The characteristics are as follows:
The BBU3806 and RRUs must use –48 V DC power supply.
The BBU3806 is installed in the APM30.
The RRUs are installed on the metal pole or the wall close to the antenna.
Antenna
Antenna
Antenna
Feeder
Power cable
Optical fiber