Ruijie Networks RG-AP3220 Series, Руководство по установке и справочное руководство по оборудованию

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Cleanness
Dust poses a serious threat to device operation. Dust that falls onto the surface of the device can be absorbed onto metal
contact points by static electricity, resulting in poor contact. Electrostatic absorption of dust occurs more easily when the
relative humidity is low, which may shorten the service life of the device and cause communication failures. Table 2-2
shows the maximum concentration and diameter of dust allowed in the equipment room.
Table 2-2 Maximum Concentration and Diameter of Dust Allowed
Maximum diameter ( μ m)
0.5 1 3 5
Maximum concentration
(Particles/m
3
)
1.4 x 10 7 x 10 2.4 x 10 1.3 x 10
Besides, the contents of salts, acids and sulfides in the air are also strictly limited for the equipment room. These
substances can accelerate metal corrosion and the aging of some parts. Table 2-3 describes the limit of some hazardous
gases such as SO
2
, H
2
S, NO
2
and Cl
2
in the equipment room.
Table 2-3 Limits of Hazardous Gases
Gas Average (mg/m
3
) Maximum (mg/m
3
)
SO
2
0.2 1.5
H
2
S 0.006 0.03
NO
2
0.04 0.15
NH
3
0.05 0.15
Cl
2
0.01 0.3
Power Supply

DC power adapter: 36 V DC to 57 V DC (input power)

PoE injector: IEEE 802.3af/802.3at compliant
The DC input power should be greater than the power actually consumed by the system. The input power for
the RG-AP3220 should be greater than 12.95 W.
Please use Ruijie recommended power adapters.
Please use Ruijie certified PoE injectors.
EMI

Keep the AP far away from the grounding or lightning protection devices of power equipment.

Keep the AP away from radio stations, radar stations, high-frequency high-current devices, and microwave ovens.