Huawei DBS3900 - Installing the Power Device

Figure 13-39 Installing the BBU
(1) Fan (2) BBU
CAUTION
Ensure that the fan unit of the BBU is at the bottom of the BBU.
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13.4.2 Installing the Power Device
This section describes the procedure for installing the power device in the IMB03. The power
device in the IMB03 can be the DCDU or AC/DC power device. The procedures for installing
them are the same. The following description is based on the installation procedure of the DCDU.
Procedure
Step 1 Slide the DCDU into the corresponding slot according to the installation slot label.
Step 2 Use a Phillips screwdriver to tighten the four M6x16 bolts on the panel, as shown in Figure
13-40.
DBS3900 (Ver.B)
Installation Guide 13 Indoor Scenario (BBU Installed in an IMB03)
Issue 06 (2011-09-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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