Installing An Rru On A Wall - Huawei RRU3971 Installation Manual

7.5 Installing an RRU on a Wall

This section describes the procedure and precautions for installing an RRU on a wall.
Prerequisites
The hoist clamp on the main bracket is secured properly.
l Do not stand an RRU upright because the RF ports cannot support the weight of the RRU.
l Place a foam pad or cardboard under an RRU to protect the RRU housing from damage
Context
The wall on which RRUs are installed must meet the following requirements:
l
l
Procedure
Step 1 Disassemble the RRU mounting brackets, as shown in
Figure 7-36 Disassembling the RRU mounting brackets
(1) Main bracket
(5) Flat washer
Issue ()
NOTICE
during the installation.
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.
(2) Square-neck bolt
(6) Spring washer
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Figure 7-36.
(3) Pole installation bracket
(7) Nut
7 Installing the RRU
(4) Auxiliary bracket
(8) Plastic screw cap
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