Huawei DBS3900 Installation Manual page 22

DBS3900 (Ver.B)
Installation Guide
Application
Environment
Indoors
Issue 06 (2011-09-15)
Power Supply
DC
DC
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Installation
Position of Main
Devices
The BBU is installed
in a TMC11H, and
the RRUs are
installed remotely.
The TMC11H
supplies power to the
BBU and remote
RRUs.
The BBU is installed
in an APM30H (+24
V), and the RRUs are
installed remotely.
The APM30H (+24
V) supplies power to
the BBU and remote
RRUs.
The BBU is installed
in an OMB, and the
RRUs are installed
remotely. The OMB
supplies power to the
BBU and remote
RRUs.
The BBU and
DCDU-03B are
installed in a 19-inch
rack, and the RRUs
are remotely
installed outdoors.
The DCDU-03B
supplies power to the
BBU and outdoor
RRUs.
The BBU and
DCDU-03B are
installed on a wall,
and the RRUs are
remotely installed
outdoors. The
DCDU-03B supplies
power to the BBU
and outdoor RRUs.
3 Installation Scenarios
Reference
Outdoor Scenario
with DC Power
Supply (BBU
Installed in a
TMC11H)
Outdoor Scenario
with DC Power
Supply (BBU
Installed in a +24 V
DC APM30H)
Outdoor Scenario
with DC Power
Supply (BBU
Installed in an
OMB)
Indoor scenario
with DC power
supply (BBU
installed in a 19-
inch rack)
Indoor scenario
with DC power
supply (BBU
installed on a wall)
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