17
Protection from lightning
SFV311
SFV310
When cables are used outdoors, there is a
chance that they may be affected by lightning.
In such a case, install a lightning arrestor close
to the camera, and make the length of the net-
work cable between the camera and lightning
arrestor as short as possible to prevent the
camera from being damaged by lightning.
SFR311
SFR310
SFN311
SFN310
When connecting to a network using the network
cable of this product, observe the following.
• When wiring for the network, design and
engineer not to be affected by lightning.
Radio disturbance
When this product is used near TV/radio
antenna, strong electric field or magnetic field
(near a motor, a transformer or a power line),
images may be distorted and noise may be
produced.
PoE (Power over Ethernet)
Use a PoE hub/device that is compliant with
IEEE802.3af standard.
Router
When connecting this product to the Internet,
use a broadband router with the port forward-
ing function (NAT, IP masquerade).
Refer to the operating instructions on the pro-
vided CD-ROM for further information about
the port forwarding function.
Ethernet cable
Shielded (STP) Ethernet cables must be used
with this unit to ensure compliance with CE
standards.
Time & date setting
It is necessary to set the time & date before
putting this product into operation. Refer to the
operating instructions on the provided
CD-ROM for descriptions of how to perform
the settings.
Make sure to remove this product if it will
no longer be used.