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BTS3900E GSM
User Guide
Figure 3-3 Installation of AC-powered BTS3900E in three-sector configuration
AC INPUT
AC INPUT
AC INPUT
This installation scenario has the following features:
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3.2 Scenario 2: -48 V DC Power Input (No Backup Power
Required)
This describes the installation scenarios of the BTS3900E in the case that -48 V DC power is
available on site and backup power is not required.
Configuration of Omni-Directional Site (One BTS3900E)
Figure 3-4
configuration.
Issue 01 (2010-01-15)
SPD60D
SPD60D
SPD60D
The BTS3900Es can be mounted on the wall or pole.
If power supply of three BTS3900Es are independent from each other, the capacity of the
external power input system should range from 4 A to 6 A.
Each of the three AC-powered BTS3900Es should be configured with an AC surge
protection box (SPD60D).
The BTS3900E AC(1) works as the basic module. It is connected to the two extension
BTS3900Es through the SFP ports to form a star topology.
shows the installation of one DC-powered BTS3900E in omni-directional
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Copyright © Huawei Technologies Co., Ltd.
3 Typical Installation Scenarios of the BTS3900E (Outdoor
Antenna
Antenna
BTS3900E
BTS3900E
AC
Coverage)
Antenna
BTS3900E
AC (1)
AC
3-3
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