Ruijie RG-ES100 Series Switches Hardware Installation and Reference Guide
Preparation before Installation
Apart from dust, the salt, acid and sulfide in the air in the equipment room must also meet strict requirements, as such
poisonous substances may accelerate the corrosion of the metal and the aging of some parts. The equipment room
should be protected from the intrusion of harmful gases such as sulfur dioxide, sulfured hydrogen, nitrogen dioxide, and
chlorine), whose requirements are listed in Table 2-3.
Table 2-3 Requirements for Harmful Gases in the Equipment Room
Gas
Average (mg/m
3
)
Maximum (mg/m
3
)
SO
2
0.3
1.0
H
2
S
0.1
0.5
NO
2
0.5
1.0
Cl
2
0.1
0.3
Both average and maximum value are measured for a week. The switch cannot be placed in the environment with
the maximum density for over 30 minutes every day. ..
2.2.4 EMI
The switch
is vulnerable to external interface caused by capacity coupling, inductance coupling, electromagnetic wave
radiation, common impedance (including grounding system) coupling and conducting wires (including power cords, signal
and output wires).
Therefore, the following points should be noted:
The AC power supplying system is the TN system. The single-phase three-wire socket with protecting grounding
must be used as the socket for the power supply to enable the device’s upper filter circuit to effective filter the power
interface.
The switch
should be far from high-power radio transmitting stations, radar stations and high-frequency and
large-current devices.
Electromagnetic shielding methods should be applied when necessary, such as using the shielded cable as the
interface cable.
Cables must be connected to interfaces inside the room
to prevent damage to the device’s signal ports caused by
over-voltage and over-current generated by thunder and lightning.
2.2.5 Grounding
A good grounding system is the basis for the stable and reliable operation of the RG-ES100 series switch. It is the chief
condition to prevent lightning stroke and resist interference. Please carefully check the grounding conditions on the
installation site according to the grounding requirements, and perform grounding operations properly as required.
Effective grounding of the switch is an important guarantee for lightning protection and interference resistance.
Therefore, connect the grounding line of the switch properly.
The grounding cable is customer supplied.
Safety Grounding
The equipment using AC power supply must be grounded by using the yellow/green safety grounding cable. Otherwise,
when the insulating resistance decreases the power supply and the enclosure in the equipment, electric shock may occur.
The building must provide protective grounding connection to ensure that the device is connected to the protection
location.
