Lantech IES-3416DSFP, User Manual

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Recommendation for Shielded network cables
STP cables have additional shielding material that is used to reduce external interference.
The shield also reduces the emission at any point in the path of the cable. Our
recommendation is to deploy an STP network cable in demanding electrical environments.
Examples of demanding indoor environments are where the network cable is located in
parallel with electrical mains supply cables or where large inductive loads such as motors
or contactors are in close vicinity to the camera or its cable. It is also mandatory to use an
STP cable where the power device (like IP camera) is used outdoors or where the network
cable is routed outdoors.