Airbridge DBS3900 CDMA Base Station
Product Description
6 Technical Specifications of the DBS3900
Issue 11 (2010-06-18)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
6-19
Item
Sub-item
Range
NOTE
z
The impact response spectrum refers to the maximum acceleration response curve generated by the
equipment under specified impact excitation. Impact response spectrum II means that the duration of
semi-sine impact response spectrum is 6 ms.
z
The static payload refers to the capability of the packed equipment to bear the weight from above in
the stipulated stack method.
6.7.3 Requirements for the Running Environment of the DBS3900
This describes the requirements for the running environment of the equipment in terms of
climatic requirements, waterproofing requirements, biological requirements, and requirements
for air purity and mechanical stress.
Climatic Requirements
Table 6-28
lists the climatic requirements for the running environment of the equipment.
Table 6-30
Climatic requirements for the running environment of the equipment
Item
Range
Temperature
BBU: -10°C [+14°F] to +55°C [+131°F]
RRU: -40°C [-40°F] to +52°C [+125.6°F]
(solar radiation not considered)
Temperature change rate
≤
3
o
C/min
Relative humidity
BBU: 5% RH to 95% RH
RRU: 5% RH to 100% RH
Air pressure
70 kPa to 106 kPa
Solar radiation
BBU:
≤
700 W/m
2
RRU:
≤
1120 W/m
2
Thermal radiation
≤
600 W/m
2
Wind speed
BBU:
≤
1 m/s
RRU:
≤
67 m/s
NOTE
The temperature and humidity should be measured 1.5 m [4.92 ft] above the ground and 0.4 m [1.31 ft]
away from the front of the cabinet when no protective board is installed at the front and rear of the
cabinet.
Biological Requirements
The biological requirements for the running environment of the equipment are as follows:
z
The environment is not conducive to the growth of fungus.
