Lightning Strike Broken WAN Port

My little experience (not an expert on this) with outdoor cabling is that when copper cables are larger than 10m no matter of the shielding, you need a surge arrester at both ends. This is also the case for coaxial cables.
In my case, 4-6000V builtin Lightning Protection, Surge Protection and Voltage Transient Protection of ip cameras proved to be sufficient for the past 5 years in many occasions (when omnia and other equipment including cameras with coaxial cables where fried).

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