Huawei Airbridge DBS3900, Описание продукта

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6 Technical Specifications of the DBS3900
Airbridge DBS3900 CDMA Base Station
Product Description
6-14 Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Issue 11 (2010-06-18)
z
The concentration of mechanically active substances complies with the requirements
listed in
Table 6-19 .
Table 6-21
Requirements for the concentration of mechanically active substances in the storage
environment of the equipment
Concentration
Mechanically
Active Substance Unit
BBU RRU
Suspended dust mg/m
3
≤ 5 ≤ 5
Precipitable dust mg/m
2
·h ≤ 20 ≤ 500
Grit mg/m
3
≤ 300 ≤ 300
NOTE
z
The diameter of a suspended dust particle is not greater than 75 µm.
z
The diameter of a precipitable dust particle is not smaller than 75 µm and not greater than 150 µm.
z
The diameter of a piece of grit is not smaller than 150 µm and not greater than 1000 µm.
z
The concentration of chemically active substances complies with the requirements listed
in
Table 6-20 .
Table 6-22
Requirements for the concentration of chemically active substances in the storage
environment of the equipment
Chemically Active
Substance
Unit Concentration
SO
2
mg/m
3
≤ 0.30
H
2
S mg/m
3
≤ 0.10
NO
2
mg/m
3
BBU: ≤ 0.50
RRU: ≤ 0.05
NH
3
mg/m
3
≤ 1.00
Cl
2
mg/m
3
≤ 0.10
HCl mg/m
3
≤ 0.10
HF mg/m
3
≤ 0.01
O
3
mg/m
3
≤ 0.05
Mechanical Stress Requirements
Table 6-21 and Table 6-22 list the requirements for the mechanical stress in the storage
environment of the equipment.