I have a second phone line into my house which is no longer being used. If the there are 4 wires black,white,red,blue in an older style single floor unit complex in Queensland. How do I replace the phone jack? I went to the fios box to see if I could unplug it there. I had my son-in-law call back he said it rung once then nothing dead agan. When they put up the drywall they covered all existing telephone and cable jacks.
Which ones do I connect to the modular jack?
Replacing a Phone Jack
Just to be clear, the bottom cable screw protrudes from the jack. Jana, Try plugging a phone in the jack on the outside interface box and see how the quality sounds from there. Right now, I am upgrading all the outlets and jacks in the house so do I have to do anything to prevent from getting shocked or is it safe to say, the jacks have no voltage running to them. I am trying to replace a faulty phone jack, but when I went to unplug the phone following the guidance above, I found that I could not since the fios is all plugged in differently. Try looking in the outside interface telephone box to see what color wires are connected to the terminals, then use those wires to reconnect the wall jack. I have a wall phone I want to remove completely.