Huawei DBS3900 Installation Manual page 98

DBS3900 LampSite
Installation Guide
Table 8-3 Ceiling-mounted suggestion
Installation
Mode
Installing the
pRRU3902
on a ceiling
by drilling
holes
For details,
see
Installing a
pRRU3902
on a
Installing the
pRRU3902
on a ceiling
using a clamp
through an
attachment
plate
For details,
see
Installing a
pRRU3902
on a
Installing the
pRRU3902
on a keel
For details,
see
Installing a
pRRU3902
on a
Installing the pRRU3902 on a keel
The pRRU3902 can be installed on a keel of U-shape, T-shape, or H-shape. For the keels of
other shapes, they are determined based on the onsite requirements.
Issue 06 (2015-10-30)
Requirements
l The ceiling, such
as a concrete
ceiling, can bear a
load at least four
times the weight
of the pRRU3902.
8.3.3 l The screws must
be tightened with
a torque of 1.5
Ceiling. N·m. This ensures
the screws work
properly and the
ceiling remains
intact without
cracks in it.
l The ceiling, such
as a concrete
ceiling, can bear a
load at least four
times the weight
of the pRRU3902.
l The thickness of
the ceiling is less
8.3.4 than 45 mm.
Plate.
A keel under the
ceiling can bear a
load at least four
times the weight of
the pRRU3902.
8.3.5
Keel.
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Mounting Brackets
1. Plate
2. Screw (M3.5 x 35)
3. Plastic expansion
sleeve
4. Flat washer
1. Plate
2. U-shaped metal plate
3. Bolt (M4 x 35)
4. Bolt (M4 x 60)
For details, see Table
8-4.
8 Installing a pRRU3902
Installation
Diagram
For details, see Table
8-4.
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