Technical Specifications
OptiX OSN 3500 TM - SD
7-12
7.9
Environment Requirement
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.
7.9.1 Environment for Storage
1. Climate
Table 7-14
Climate requirement
Item
Range
Altitude
≤
5000m
Air pressure
70 ~ 106kPa
Temperature
-40
°
C ~ +70
°
C
Temperature change rate
≤
1
°
C/min
Relative humidity
10% ~ 100%
Solar radiation
= 1120W/s²
Heat radiation
= 600W/s²
Air speed
= 30m/s²
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
Content
Suspending dust
= 5.00 mg/m³