Temperature And Humidity Requirements; Cleanness Requirements - Ruijie RG-MTFi-M520 Installation And Basic Configuration Manual

Installation and Basic Configuration Guide
Identifier Description
BT Bluetooth antenna port
4G 2 3G/4G antenna port
WiFi 2 WiFi antenna port
S GPS antenna port
1.2 Requirements
1.2.1 Temperature & Humidity Requirements
Please maintain a minimum clearance of 10cm at both sides and rear panel of the chassis to facilitate ventilation.
To ensure the normal operation and a prolonged useful life of RG-MTFi-M520, you must maintain an appropriate
temperature and humidity in the equipment room. Inappropriate temperature or humidity may damage the device.
Table 1-1 Temperature and Humidity Requirement
Temperature
Long-time Working
-20º C to +70º C
The temperature and humidity are measured at the place 1.5m above the floor and 0.4m in the front of the front
panel without any cover.

1.2.2 Cleanness Requirements

Table 1-2 Dust Particle Limit
Substance
Dust particles (diameter ≥0.5μm)
Dust particles (diameter ≥5μm)
The environment should also meet requirement in terms of salt, acid and sulfide in the air. These poisonous substances
may accelerate the corrosion of the metal and the aging of some parts. The environment should be protected from the
intrusion of harmful gases (for example, SO
Table 1-3 Harmful Gas Limit
Gas
SO
2
H S
2
NO
2
Cl
2
Short-time Working
-40º C to +85º C
Concentration Limit (particles/m
≤3.5×10
6
≤3×10
4
, H S, NO and Cl
2 2 2
3
Average (mg/m )
0.3
0.1
0.5
0.1
Humidity
Long-time Working
5% to 95%
3
)
), requirements listed in table 1-3.
2
Maximum (mg/m
1.0
0.5
1.0
0.3
Preparation Before Installation
Short-time Working
5% to 95%
3
)