3. Insert the removed screw into the hole on the top of the first RRU and use an M6 torque
screwdriver to tighten the screw to 5 N·m (44.25 lbf·in.).
----End
7.2.3 Installing Three or More RRUs
This section describes the procedure and precautions for installing three or more RRUs on a
pole.
Prerequisites
The hoist clamp on the main bracket is secured properly.
NOTICE
l Do not stand an RRU upright because the RF ports cannot support the weight of the RRU.
l Place a foam pad or cardboard under an RRU to protect the RRU housing from damage
during the installation.
Context
A pole supports three, four, or six RRUs. The procedures for installing them are the same. The
following provides an example for the procedure of installing four RRUs on a pole.
Procedure
Step 1 Install two RRUs, as shown in Figure 7-15. For detailed installation process, see 7.2.2 Installing
Two RRUs.
Figure 7-15 Two RRUs installed on a pole
7 Installing the RRU
Issue () Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
58
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