Does the NBS3100 switch support lightning protection?
NB3000 series switches support lightning protection, they have built-in 6kv lightning protection.data/attachment/forum/202301/30/190438me8uywmeew10wea9.png
But if the switch is connected directly from an outdoor line, additional deployment is required. You can check this link: https://www.ruijienetworks.com/resources/preview/76392
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