Technical Manual
U-SYS MRS6100 Media Resource Server
Chapter 8 Technical Specifications
Huawei Technologies Proprietary
8-8
8.6.3 Operating Environment
I. Climate
Table 8-13 Temperature and humidity
Temperature Relative humidity
Long-term
operation
Short-term
operation
Long-term
operation
Short-term operation
+5°C – +45 °C -5°C – +55°C 5%–85% 5%–95%
Note:
z The measurement points of temperature and humidity refer to the values
measured 1.5 meters above the floor and 0.4 meters away from the front of shelf
when there are no protection panels in the front and back of the shelf.
z Short term means that the consecutive working duration is not more than 48
hours and that the accumulated working duration of a year is not more than 15
days.
Table 8-14 Other climate requirements
Item Scope
Altitude
≤ 4000m
Atmosphere
70–106kPa
Temperature change rate
≤ 5°C/h
Solar radiation
≤ 700W/s²
Heat radiation
≤ 600W/s²
Wind speed
≤ 5m/s
IP level
IP50
II. Biologic environment
1) Avoid propagation of microorganisms, such as fungi and moulds.
2) Avoid damages by rodents, such as rats.
III. Air cleanness
1) There must be no explosive, conductive, magnet-conductive and corrosive dust
in the air.
2) The densities of mechanical active materials comply with those listed in
Table 8-15.