Huawei DBS3900 Installation Manual page 29

DBS3900 (Ver.B)
Installation Guide
Figure 3-6 Outdoor scenario with AC power supply (BBU installed in an APM30H) (6)
Outdoor Scenario with DC Power Supply (BBU Installed in a TMC11H)
In the -48 V DC power supply scenario, a BBU can be installed in an TMC11H, which provides
power to a maximum of six RRUs. If more than six RRUs are configured, two TMC11H cabinets
are required. Two TMC11H cabinets can house two BBUs, which enable the base station to
work in triple mode, as shown in
Issue 06 (2011-09-15)
Figure
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3-7.
3 Installation Scenarios
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