I have a desktop computer hooked to my network through a wired connection. My router is in my basement by the panel. There was a phone plug behind the computer that I turned into an ethernet plug since I never used phone there. The wire was not part of the main phone loop wire for the house; it went directly to the basement panel. I disconnected it from the phone panel and put an RJ45 data plug on it to plug it into the router. My house was built in 2000 and was not wired with cat5 (expect the main house loop). The individual wires that go to the panel are cat3 wire with 3 twisted pairs (6 wires in total). For the cat3 wire for the computer, I am only using 4 wires (2 twisted pairs) and it works flawlessly at 100 mbps. There is one twisted pair remaining unused in the wire. I have decided that I may actually need a phone there and may need to use that phone plug. I was hoping to hear some feedback on whether it is ok or not to use the remaining twisted pair in the cat3 wire as phone. To clarify, 4 wires would continue to be used for the computer's data connection and the remaining 2 would be hooked up to the home phone panel. I know it is not the best idea and I may encounter some interference but I wanted to hear some more opinions.
Thanks a lot.
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