Huawei DBS3900 Installation Manual page 26

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DBS3900 (Ver.B)

Installation Guide

Figure 3-3 Outdoor scenario with AC power supply (BBU installed in an APM30H) (3)

In the 110 V or 220 V AC scenario, a BBU can be installed in an APM30H, which provides

power to a maximum of six RRUs. If more than six RRUs are configured, two APM30H cabinets

are required. Two APM30H cabinets can house two BBUs, which enable the base station to

work in triple mode.

and transmission space is required.

Issue 06 (2011-09-15)

shows the typical scenarios when no backup power is required

Huawei Proprietary and Confidential

3 Installation Scenarios