No, a moca poe filter is not typically affected by a storm surge.
No, a moca poe filter is not typically affected by a storm surge.
So some time ago a big spike hit almost everything linked to our coaxial cables, including the basic moca configuration I had set up (screen beam moca adapter split of modem coax and plugged into our router on one end, moca straight from coax to my computer on the other end, my room). Router, modem, moca adapters have all been swapped out, yet they still don’t perform as well. Now when my adapters connect to the coax network the internet goes down for everyone and when I’m on Wi-Fi it just says “connected without internet.” I tried adjusting things again this time but this round I removed the moca filter I had installed at the main coax splitter in our basement. It really boosted download speeds and reduced latency, which made me wonder if the surge might have impacted the filter. A few quick points: I know the moca on the same coax line as the modem can cause issues, but everything worked before. : I’m getting an off gassing surge protector to try and prevent this next time. Thanks for reading and any help would be great!
If eliminating the filter led to a significant boost, it makes sense the filter was either faulty or ineffective.
They are constructed from copper or copper-clad aluminum. In either case, these wires can carry electrical current. That’s why your internet or phone companies ground their lines beyond your property—they offer a connection to earth for safety and power distribution.
It's reasonable to assume that anything with conductivity can be affected by lightning, and the effects can spread through connected devices. When our chimney was struck, it damaged all landline phones, the answering machine, caused a spark in a fused switch, produced smoke near the fuse box, destroyed the modem, fried every network card, and exploded the motherboard the modem was attached to—leaving a scorched area on the IO chip. Interestingly, the coax connectors remained intact because it was an older coax system from the dial-up era. This highlights why I'm pushing for FTTP as soon as possible; it would reduce the chances of lightning reaching my network, which is now more costly than it used to be. I also prefer not using cable-based FTTP because those connections can still convert to coax in a nearby box, potentially exposing them to lightning risks.
The actual coax lines are in good condition and not damaged, so it seems unlikely a filter was needed. Your reasoning is helpful—thank you for clarifying. If you're only asked to base your answer on this single scenario, it would be better to stop responding and keep the discussion focused.
I purchased a new filter and it appears to be functioning properly at the moment. For anyone facing difficulties finding clear solutions online, yes—this is something you might relate to. The surge can make your POE filter ineffective even if the signal still passes through. Hope this helps!
Passive behavior indicates energy is consumed inside the cable or functions act as a filter. Every electrical part has a threshold voltage; just above it may cause harm, but extreme events like lightning can ruin them entirely. Brick isn’t usually conductive, yet it still removed a portion of my chimney when struck due to the intense voltage. Conductivity increases with higher voltage, but only briefly before resistance destroys it. If my fibre line was affected, it could melt at the impact point, though the high resistance would stop it from traveling further inside. It might also disrupt WiFi and mobile signals by overloading their radios, though they’re usually tuned to narrow bands. When it happened, it fried the satellite LNB on the opposite side of the house.