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Phone Jack Interior - FiOS
asonnick
Enthusiast

Hi There!

I have FiOS at my house.

I have a phone jack in a bedroom that always worked for the Home number.

I had a home business 2 years ago, and they installed a 2nd ONT. They did something to this bedroom phone jack to work only for my business phone.

I no longer have this business number, and wanted to switch back to my home number.

The jack looks wired correctly (photo attached - excuse the dust). Red to Red, Green to Green, Blacak to Black, Yellow to Yellow. I checked all screws on the terminal etc.

How do I get this to work for the home number again? All other jacks in the house work with home number. 

Thanks

imageimage

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Re: Phone Jack Interior - FiOS
tns2
Super User
Super User

Assuming they didn't make the change somewhere else in your house and left all 4 wires connected, its just a matter of switching them.  Only two wires are needed to the phone. 

Old Four-Wire Cable: 

Line 1 (primary phone line): red and green

Line 2 (secondary line): black and yellow

Don't know which is which for your case.

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