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Ruijie Reyee RG-EG300GH-E Series User Manual

Ruijie Reyee RG-EG300GH-E Series
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Hardware Installation and Reference Guide Preparing for Installation
16
2.2.5 Cleanliness Requirements
Dust poses a major threat to the switch. The indoor dust takes on a positive or negative static electric charge
when falling on the switch, causing poor contact of the metallic joint. Such electrostatic adhesion may occur
more easily when the relative humidity is low, not only affecting the service life of the switch, but also causing
communication faults. The following table describes the requirements for the dust content and granularity in the
equipment room.
Table 2-2 Requirements for Dust
Dust
Unit
Content
Dust particles (diameter 0.5 μm)
Particles/m
3
3.5×10
6
Dust particles (diameter 5 μm)
Particles/m
3
3×10
4
Apart from dust, the salt, acid, and sulfide in the air in the equipment room must meet strict requirements. These
harmful substances will accelerate metal corrosion and component aging. Therefore, the equipment room should
be properly protected against the intrusion of harmful gases, such as sulfur dioxide, hydrogen sulfide, nitrogen
dioxide, and chlorine gas. The following table lists limit values for harmful gases.
Table 2-3 Requirements for Gases
Gas
Average (mg/m
3
)
Sulfur dioxide (SO
2
)
0.3
Hydrogen sulfide (H
2
S)
0.1
Nitrogen dioxide (NO
2
)
0.5
Chlorine gas (CI
2
)
0.1
Note
Average refers to the average value of harmful gases measured in one week. Maximum refers to the upper
limit of harmful gases measured in one week, and the maximum value lasts up to 30 minutes every day.
2.2.6 Grounding Requirements
A proper grounding system is the basis for stable and reliable running and is indispensable for preventing
lightning strikes and interference. Carefully check the grounding conditions at the installation site according to
the grounding specifications, and complete grounding properly based on the actual situation.
Safe Grounding
Ensure that the cabinet and power distribution device are securely grounded when the device uses the AC power
supply. Otherwise, electric shock may occur when the insulation resistance between the power supply inside the
device and the chassis becomes small.

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Ruijie Reyee RG-EG300GH-E Series Specifications

General IconGeneral
BrandRuijie
ModelReyee RG-EG300GH-E Series
CategoryNetwork Router
LanguageEnglish

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