11.3.2 Installing a DCDU-03B
This section describes the procedure and precautions to be taken for installing a DCDU-03B on
a wall.
Context
In an indoor wall-mounted scenario, a BBU and DCDU-03B can be installed on a wall. In this
case, the DCDU-03B supplies power to the BBU.
Procedure
Step 1 Tighten four M6x12 bolts to secure wall-mounting ears for the DCDU-03B on the mounting
ears for the DCDU-03B until the tightening torque reaches 2 N·m, as shown in Figure 11-8.
Figure 11-8 Securing wall-mounting ears for the DCDU-03B on the mounting ears for the
DCDU-03B
Step 2 Tightly press the DCDU-03B against the wall, and then use a marker to mark anchor points for
the wall-mounting ears, as shown in Figure 11-9.
DBS3900 (Ver.B)
Installation Guide
11 Indoor Scenario with DC Power Supply (BBU Installed
on a Wall)
Issue 06 (2011-09-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
376
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