Protecting 1Gb Ethernet From Lightning Strikes

Alan Buxey alan.buxey at
Wed Aug 14 17:46:21 UTC 2019


have seen and suffered from same.  nearby strikes can cause enough
surge to fry things.  best solution - air-gaps where possible between
devices (eg fibre to link switches),  surge protectors on ethernet
cables where needed (eg feeds from Access points) - and if the APs
have external antennae
then use lightning arrestors on the coax cables.

why main wireless vendors still don't do SFP/SFP+-based APs I don't
know... (would mean only the AP cooks and the edge switch isnt the


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