Environment Requirement; Environment For Storage - Huawei OSN 3500 Technical Manual

Technical Specifications

Environment Requirement

7.9

7.9.1 Environment for Storage

7-12
The following international standards are taken as the reference for framing the
environment requirements.
GF 014-95: Environment conditions for the communication equipment room;
ETS 300 019-1-3: Class 3.2 Partly temperature-controlled locations;
NEBS GR-63-CORE: Network Equipment-Building System (NEBS) Requirement:
Physical Protection.
1. Climate
Table 7-14 Climate requirement
Item
Altitude
Air pressure
Temperature
Temperature change rate
Relative humidity
Solar radiation
Heat radiation
Air speed
2. Biological environment
Avoid multiplication of microbe, such as eumycete and mycete.
Avoid the rodent, e.g., mice.
3. Air cleanliness
No explosive, electric-conductive, magnetic-conductive or corrosive duct.
The density of the mechanical active substances complies with the requirements
listed in Table 7-15.
Table 7-15 Density requirements for mechanical active substances
Mechanical active
substance
Suspending dust
Range
≤ 5000m
70 ~ 106kPa
-40°C ~ +70°C
≤ 1°C/min
10% ~ 100%
= 1120W/s²
= 600W/s²
= 30m/s²
Content
= 5.00 mg/m³
OptiX OSN 3500 TM - SD