Huawei RRU3971 Installation Manual page 28

Figure 3-16 RRU installed on angle steel
Installing an RRU on a Wall
The wall for installing RRUs must meet the following requirements:
l
l
l The standard installation is recommended for RRUs installed on a wall.
l When RRUs are installed on a wall in side-mounted mode, do not combine mounting brackets
Figure 3-17 Correct installation of mounting brackets for multiple RRUs installed on a wall in
side-mounted mode
Issue ()
For each RRU, the wall must be able to bear a weight four times heavier than the RRU's
weight and the bolts' pulling force of 1.25 kN (281.25 lbf) vertical to the wall.
Expansion bolts must be tightened to 30 N•m to ensure that the bolts work properly and
the wall remains intact.
NOTICE
for multiple RRUs, as shown in
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Figure 3-17.
3 Information About the Installation
19