17Protection from lightningSF V311 SF V310When cables are used outdoors, there is achance that they may be affected by lightning.In this case, install a lightning arrester just beforewhere the cables connect to the camera.SF R311 SF R310 SF N311 SF N310When connecting to a network using the networkcable of this product, observe the following.• When wiring for the network, design andengineer not to be affected by lightning.Radio disturbanceWhen this product is used near TV/radioantenna, strong electric field or magnetic field(near a motor, a transformer or a power line),images may be distorted and noise may beproduced.PoE (Power over Ethernet)Use a PoE hub/device that is compliant withIEEE802.3af standard.RouterWhen 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 aboutthe port forwarding function.LAN cableShielded (STP*) LAN cables must be used withthis unit to ensure compliance with EMC stan-dards.* For EuropeTime & date settingIt is necessary to set the time & date beforeputting this product into operation. Refer to theOperating Instructions on the providedCD-ROM for descriptions of how to performthe settings.Make sure to remove this product if it willno longer be used.