----End
7.2.3 Installing Multiple RRUs
The section describes the procedure for installing multiple RRUs on a pole and the precautions
that must be taken during the installation.
Context
A pole supports the installation of three, four, or six RRUs. The procedures for installing them
are the same. Following is the procedure of installing four RRUs on a pole.
Procedure
Step 1 Install one set of bracket assembly on a pole. For details, see 7.2.1 Installing a Single RRU.
Step 2 Interchange the attachment plate at the RRU rear and the cover plate on the RRU side, as shown
in Figure 7-16.
Figure 7-16 Interchanging the attachment plate at the RRU rear and the cover plate on the RRU
side
1. Remove the attachment plate from the RRU rear using an inner hexagon screwdriver.
2. Remove the cover plate from the RRU side.
3. Install the cover plate onto the RRU rear.
4. Install the attachment plate onto the RRU side, and tighten the stainless steel screws on the
attachment plate to 5 N·m (44.25 lbf·in.) using a torque screwdriver.
Step 3 Install the first RRU on the main mounting bracket, as shown in Figure 7-17.
RRU3201
Installation Guide 7 Installing the RRU
Issue 06 (2012-04-16) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
46
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