A power surge can go through any wire.
Power surge through ethernet cable.
Power over ethernet or poe describes any of several standards or ad hoc systems that pass electric power along with data on twisted pair ethernet cabling.
This allows a single cable to provide both data connection and electric power to devices such as wireless access points waps internet protocol ip cameras and voice over internet protocol voip phones.
Interestingly enough the cable modem wasn t damaged but everything else was.
Last summer i had a lightning strike on the tv cable stanchion in my back yard.
The chances of a surge through an ethernet cable that will damage the modem is very slim.
Powerful surges that the device protects against include direct lightning strikes voltage spikes or poe overvoltages.
It will weld it together so fast.
The ethernet ports protect from out of norm surges from the outlet grid.
So the surge must have come in via the coax line went through the cable modem and into the airport extreme out the ethernet line through the thunderbolt to ethernet adapter and into the lacie d2.
Belkin 12 outlet advanced power strip surge protector 8ft cord and ethernet cable satellite telephone and coaxial protection 4000 joules white 4 7 out of 5 stars 987 39 39 39.
There is just not a lot of electricity going through.
Ethernet surge protector is a surge protection device spd that is inserted inline on an rj45 cat6 cat5 cat5e cable to prevent damage of electronic networking equipment.
So if your routers and switched are connected to surge protectors ethernet by it self is a long shot.
Lighting can hit your device and travel through ethernet but no surge protector will protect that.
Yep happens all the time.