User's Manual

RRU3278

Installation Guide

7 Installing RRU

Issue 05 (2017-03-10)

Huawei Proprietary and Confidential

Figure 7-21 Installing the RRU onto the main bracket

Step 5 Use an inner hexagon torque screwdriver to tighten the captive screw into the holes on the top

of the attachment plate and main bracket to 5 N·m (44.25 lbf·in.) so that the attachment plate

and main bracket are firmly secured, as shown in Figure 7-22.

Figure 7-22 Securing the captive screw into the connection hole

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