Figure 3-12 Indoor scenario with DC power supply (BBU installed in a 19-inch rack)
Indoor Scenario with DC Power Supply (BBU Installed Indoors and RRU Powered
Outdoors)
In the 110 V or 220 V AC power supply scenario, an outdoor APM30H provides power to and
monitors only RRUs, and the BBU is installed indoors, as shown in Figure 3-13.
Figure 3-13 Indoor Scenario with DC Power Supply (BBU Installed Indoors and RRU Powered
Outdoors)
DBS3900 (Ver.B)
Installation Guide 3 Installation Scenarios
Issue 06 (2011-09-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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