Huawei DBS3900 Installation Manual page 142

DBS3900 LampSite
Installation Guide
Figure 9-2 Requirements for the vertical deviation angle of a pRRU
(1) pRRU
Table 9-2
Table 9-2 mounted suggestion
Installation
Mode
Installing the
pRRU3907
on a wall
For details,
see9.3.2
Installing a
pRRU on a
Wall.
Issue 06 (2015-10-30)
(2) Installation support (pole or wall)
lists the mounted suggestions of different installation scenarios.
Requirement
s
l The wall
can bear a
load at least
four times
the weight
of a
pRRU3907.
l The screws
must be
tightened
with a
torque of 30
N·m. This
ensures the
screws
work
properly
and the wall
remains
intact
without
cracks in it.
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Mounting Brackets
1. M6x60 bolt
2. Nut
3. Spring washer
4. Flat washer
5. Expansion sleeve
9 Installing a pRRU3907
Installation Diagram
136