User's Manual

RRU3278

Installation Guide

7 Installing RRU

Issue 05 (2017-03-10)

Huawei Proprietary and Confidential

Figure 7-12 Distance between the mounting brackets and the ground

The recommended height of the mounting brackets to the ground is 1200 mm to 1600 mm. When the

installation space is limited, only the following requirement needs to be met: 3.5 Installation Clearance

Requirements of an RRU.

Step 2 Install the RRU mounting brackets, as shown in Figure 7-13.

Figure 7-13 Installing the RRU mounting brackets

Ensure that the arrows on the mounting brackets are pointing up.

1. Adjust the position of the nut and remove the square-neck bolt at the open end from the

slot on the auxiliary bracket.

2. Slide the mounting brackets onto the U-steel horizontally and insert the square-neck bolt

into the slot.

Step 3 Use a 16 mm (0.63 in.) M10 torque wrench to tighten the nuts to 40 N·m so that the mounting

brackets are secured onto the U-steel, as shown in Figure 7-14.