SUMAVISION TECHNOLOGIES EMR3B User Manual

SUMAVISION EMR Operation Introduction
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the door or routine maintenance. The cabinet can not be installed against the wall, and the
distance between the cabinet side and the wall should be not less than 0.8m.
 Site room floor:
Site room floor should be non-conductive, dust-proof, and its surface smoothness error
should be less than 2mm per square meter. The volume resistivity of anti-static material
should range from 1×10
7
Ω to 1×10
20
Ω, and the ground current-limiting resistor is 1MΩ.
Floor load-bearing should be larger than 450kg/ m
2
.
 Environment temperature:
The device can operate normally in the environment whose temperature ranges from 10℃
to 40℃, and the places where conditions permit can install air-conditioning system for
cooling.
 Relative humidity:
Normal working humidity: ≤90% (20℃);
Allowed working humidity: ≤95% (without condensation).
 Environmental pressure:
86-105kpa.
 Site room doors and windows:
Doors and windows of the site room should be sealed with dust-proof rubber strips, and
windows should be double-glazed and strictly sealed.
 Site room wall suface:
The wall suface of site room can use wallpapers or be printed with lusterless paint,
however, powder coating is not suitable.
 Air cleanliness:
The requirements are shown as Table 3-2 Site room dust indicators and Table 3-3
Table 3-2 Site room dust indicators
Maximum diameter (μm)
0.05
1.00
3.00
5.00
Maximum concentration (particles per cubic meter)
14×10
5
7×10
5
24×10
4
13×10
4
Table 3-3 Site room harmful gas indicators.
Gas
Average (mg/m
3
)
Max. (mg/m
3
)
Sulfur dioxide SO
2
0.20
1.50
Hydrogen sulfide, H
2
S
0.01
0.30
Nitrogen dioxide, NO
2
0.04
0.15
Ammonia, NH
3
0.05
0.15
Chlorine, Cl
2
0.01
0.30
 Fire-fighting requirements:
Site room should be equipped with automatic fire alarm system, hand-held extinguishing

SUMAVISION TECHNOLOGIES EMR3B Specifications

General

Brand	SUMAVISION TECHNOLOGIES
Model	EMR3B
Category	Network Router
Language	English