Installing Three Or More Rus - Huawei DBS3900 Installation Manual

RRU3260
Installation Guide
Step 5 Install the metal sheet for neighboring RUs, as shown in
Figure 8-14 Installing the metal sheet
(1) Screw
1.
2.
3.
----End

8.2.3 Installing Three or More RUs

The section describes the procedure and precautions for installing three or more RUs on a
pole.
Prerequisites
The hoist clamp on the main bracket is secured properly.
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Context
A pole supports the installation of three, four, or six RUs. The procedures for installing them
are the same. Following is the procedure of installing four RUs on a pole.
Issue 05 (2014-06-30)
Use an M6 Phillips screwdriver to loosen the screw on the metal sheet farther from the
handle of the second RU and remove the screw.
Use an M6 Phillips screwdriver to loosen the screw on the metal sheet closer to handle of
the second RU. Then rotate the metal sheet to align the vacant hole in the metal sheet
with a hole on the top of the first RU.
Insert the removed screw into the hole on the top of the first RU and use an M6 torque
screwdriver to tighten the screw to 5 N· m (44.25 lbf· in.).
Do not stand the RU upright because the RF ports cannot support the weight of the RU.
Place a foam pad or cardboard under the RU to protect the RU housing from damage
during the installation.
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Figure
(2) Metal sheet
8 Installing the RU
8-14.
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