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What is my Coaxial Cable for?

BetterThanTofu
By BetterThanTofu
in Networking
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I recently bought a new router without looking at what cables my current one uses. When I got home ready to install the new one I found that the new router doesn't have a coaxial cable port and the old one does. I unplugged the coaxial cable and everything works normally still TV, wi-fi, phones, everything. What was it there for? 

 

EDIT: I used to have cable TV but now have Satellite could it be something the cable provider just left?  

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Isn't it for audio? Wait, nvm, I'm thinking of optical

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If the old router had a coax input it is a wireless modem, it gets the internet threw that coax cable.

 

source: I install cable for Charter.

Main rig: i7 4790k, Cooler H55, EVGA GTX 980, Corsair Obsidian 250D, ASRock H97M-ITX/ac, G.Skill 8GB, 500GB 840 EVO, 1TB WD Black

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I recently bought a new router without looking at what cables my current one uses. When I got home ready to install the new one I found that the new router doesn't have a coaxial cable port and the old one does. I unplugged the coaxial cable and everything works normally still TV, wi-fi, phones, everything. What was it there for? 

 

EDIT: I used to have cable TV but now have Satellite could it be something the cable provider just left?  

So, what cable is connected to the WAN port of the new router and where does it go? 

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Posted

How about posting the models of the routers?

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