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INSTALLATION INSTRUCTIONS
© FS.COM 2016
FS016
For Technical Support: www.fs.com/service.html
Cleanliness Requirements
Dust is a big hazard to the safe operation of switches. Indoor dust falling on the switch body can cause electrostatic adsorp-
tion to make poor contact of metal connectors or metal contacts. Especially when the indoor relative humidity is lower, electro-
static adsorption is easily formed, which will not only affect equipment service life, but also easily lead to communication failure.
Table 2-2 Dust Content Requirements in Switch Room
Besides dust, there are rigorous limits on the content of harmful substances that can accelerate the corrosion and aging of
metals, such as salts, acids, and sulfides in the air in the equipment room, and the equipment room must be protected
against ingression of harmful gases such as SO , H S, NH and Cl . For the specific requirement, see the following table.
Table 2-3 Harmful Gas Threshold in the Equipment Room
Electromagnetic Susceptibility
Switches may be affected by the interferences from outside the system, which will have an effect on devices through conduc-
tion of capacitance coupling, inductive coupling, electromagnetic wave radiation, common impedance (including ground
system) coupling and wires (power wire, signal wire and output signal wire, etc.). The following attentions should be paid to:
−AC power supply system is TN system, and AC power socket should be single-phase 3-wire outlet with protective earth (PE)
so that filter circuit on devices can effectively filter interference from electric grid.
−Places where switches work should be kept away from strong-power radio transmitting station, radar transmitting station,
high-frequency high-current devices.
−Electromagnetic shielding should be adopted when necessary, i.e. interface cables use shielded cables.
−Interface cables are required to be arranged indoors instead of outdoors to prevent signal ports of devices from being
damaged by over voltage and over current generated from lightning.
Laser Use Safety
−FS S8050 series switch is Class 1 laser device.
−Do not stare at the optical interfaces directly when the optional optical interfaces of FS S8050 series switch are in operating
mode, since light beam emitting from fiber has high energy which may be harmful to retina.
Substance Unit Concentration Limit
Dust
Particle/m
Note: The dust particle size is ≥5 μm
≤3 X 104 (No visible dust on the tabletop for three days)
Gas
Maximum Concentration (mg/m )
SO
2
0.2
H S
2
NH
3
CI
2
0.006
0.05
0.01
3
3
3
2 2 3 2
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