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● When using this Switching Hub for a purpose that requires
extremely high reliability, take all possible measures to ensure
safety and reliability.
This Switching Hub is not designed and/or manufactured with the
intent of being used for applications that require extremely high reli
-
ability (application in the railways, aviation, medical areas in which
adverse effects caused by communication failure or those that
directly affect human life must be avoided).
● Pay attention to any failure caused by the usage environment
including aging degradation.
The performance of this Switching Hub may drop due to aging degra
-
dation of parts, etc. depending on various conditions including the
rate of operation or usage environment. It is recommended to
replace this Switching Hub approximately five years after installment.
ヤモヶヵリヰワ
Important Notice for Measures against Failures Caused
by Lightning Strikes
● When connecting devices (especially outdoor devices) prone to lightning
strikes, such as network cameras or wireless access points, to a twisted pair
port of this Switching Hub, overcurrent and/or overvoltage caused by light
-
ning passing through the twisted pair cable may affect this Switching Hub,
causing equipment failure. When connecting such devices, we strongly rec
-
ommend installing a lightning arrester (SPD: Surge Protective Device) at the
twisted pair port side of the Switching Hub.
● Overcurrent and/or overvoltage caused by lightning may affect this Switching
Hub through a power source connected to the power port and/or a ground
-
ing line, causing equipment failure. When there is a possibility of overcurrent/
overvoltage from lightning affecting this Switching Hub from a power source
and/or a grounding line, we strongly recommend installing a lightning
arrester (SPD: Surge Protective Device) at the power port side of the Switch
-
ing Hub.
● In case this Switching Hub fails due to lightning strikes, repair charges will
apply even during the warranty period as prescribed in the free repair provi
-
sions on page 19 of the Operation Manual (print) which is included to each
device.