Installation Environment Requirements - Huawei DBS3900 Installation Manual

DBS3900 LampSite
Installation Guide
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In the outdoor scenario, there is no space requirement for the pRRU3902 installing in the
cabinet.

8.1.4 Installation Environment Requirements

The installation environment of a pRRU involves the running environment specifications for
the pRRU and other specifications.
Running Environment Specifications
Table 8-8 shows the environment specifications for the pRRU installed indoors.
Table 8-8 environment specifications
Specificat
ions
Operating
temperatur
e
Relative
humidity
Altitude
Other Running Environment Specifications
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Issue 08 (2016-05-30)
At least 300 mm under the pRRU is reserved for cabling.
At least 300 mm on the left of the pRRU is reserved for maintenance.
At least 300 mm on the right of the pRRU is reserved for maintenance.
At least 400 mm in front of the pRRU is reserved for maintenance
At least 40 mm on the back of the pRRU is reserved for ventilation.
Condition
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Indoor: - 5 ° C to + 40 ° C
 Outside: - 20 ° C to + 40 ° C
5% RH to 95% RH
- 60 m to + 1800 m
1800 m to 4000 m
The pRRU cannot be installed at an air outlet of the heat dissipation box of an air
conditioner or other heat-generating appliances.
The pRRU cannot be installed near a strong heat source.
The pRRU cannot be installed in a position with water dripping, such as outdoor
equipment of air conditioners, pipe, and leaking or dripping roofs.
The installation position must be far from rains. If the pRRU is installed on a wall, there
must be no window on either side of the wall.
The installation position must be far away from high voltage, highly corrosive devices,
flammable or explosive substances, and electromagnetic interference such as power
stations, high-voltage substations, and wired TV towers.
The pRRU must be installed in a dry, ventilating, and dust-proof place.
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8 Installing a pRRU3902 or pRRU3911 or
pRRU3911+WIFI
Remarks
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Works properly.
Above the 1800 m altitude, the
maximum operating temperature
decreases by 1° C each time the
altitude increases by 220 m.
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