11
L2 Managed Switch
Lightning Protection
When equipotential bonding, please note that the cable should be copper wrapped
Kelly with its area being 6mm
2
at least. The shorter cable the better, and use a
grounding bar to establish an equipotential bonding point.
Note: The
equipotential bonding cable
is not provided with our product. If needed,
please purchase it.
Use Lightning Arrester
Power lightning arrester and signal lightning arrester are used for lighting protection.
Power lightning arrester is used for limiting the voltage surge due to a lightning. If
an outdoor AC power cord should be directly connected to the device, please use a
power lightning arrester.
Note: Power lightning arrester is not provided with our product. If needed, please
purchase it.
Signal lightning arrester is used to protect RJ45 ports of the device from lightning.
When cabling outdoors, please install a signal lightning arrester before connecting
the cable to the device.
When purchasing or using a signal lightning arrester, please observe the following
rules:
■
The port rate of the signal lightning arrester should match the rate of the desired
port on the device. If it is not matched, this signal lighting arrester will not work.
Purchase a standard lightning arrester.
■
Install signal lightning arrester near the protected device and connect it to the
ground via a shorter ground cable.
Figure 3-3 Lightning Arrester Connection
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