Huawei DBS3900 Installation Manual page 68

RRU3260
Installation Guide
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Context
Figure 8-22
When the width of the narrower edges of the U-steel is less than 40 mm (1.57 in.), only the a
and b modes are supported.
Figure 8-22 Top view of the RU
(1) U-steel
Procedure
Step 1 Determine a position for installing the mounting brackets.
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Issue 05 (2014-06-30)
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.
shows the top view of the RU installed on U-steel.
If the RU must be installed on U-steel secured on a tower, see
Single RU to determine a position.
If the RU must be installed on U-steel secured on the ground, see
determine a position.
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8 Installing the RU
3.5.1 Clearance for a
Figure 8-23 to
60