Cleanness Requirements - Ruijie RSR10-01G Hardware Installation Manual

Chapter 2 Preparing for Installation
humidity for a long time, the insulating materials may have poor insulation, electrical leakage
or other mechanical performance degrade may be caused. On the other hand, if the relative
humidity is too low, the insulating washers may become dry and shrink, which may cause
loosened screws. In addition, static electricity may easily occur in dry weathers, harming the
internal circuitry of the routers. H
low ring routers' reliability and sho e
The temperat
Temper
Relative
Note
2.2.2

Cleanness Requirements

Dust also poses a major threat to the safe running of the routers. Indoor dust may be
absorbed by the static electricity on the routers, causing loose contact, which may not only
shorten the service life of the equipment, but also cause communication faults. The
e lectrostatic attraction is eas
T he following table gives Ruijie
e quipment room.
Maximum diameter (μm)
Maximum density (number of
particles per cubic meters)
In addition to dusts, there are also st
equipment room. Such harmful g
aging of some components. The sp
N O , N H
2
Gas
SO
2
H S
2
NO
2
NH
3
Cl
2
2-2
e and humidity requirements of Ruijie RSR10-01G router are as follows:
a ture: 0ºC~50ºC
humidity: 10%–90%
The ambient temperature and humidity refer to the values measured at the
place 1.5 m above the floor a
protective boards.
The tempe rature and humidity requirement may be different for different
products. For the specifics, refer to the information of the characteristic
parameters of each product.
ier to o
and Cl are as shown be
3 2
igh temperature will speed the aging of insulation materials,
rten their lives.
nd 0.4 m in the front of the router rack without
ccur when the rel ative humil
routers' require ments
0.5 1
7 5
1.4×10 7×10
rict requiremen ts for the
ases will accelerate
ecific restrictions for the harm
low :
3
Average (mg/m )
0.2
0
0.04
0.05
0.01
Installation Manual
ity is low .
on dus ts densit y and
3
5
2.4×10
sulphides in the air of the
the corr osion of the metal and the
ful g ases such as SO
Maximum (mg/m
1.5
0.03
0.15
0.15
0.3
diamete r in
5
5
1.3×10
, H S,
2 2
3
)