Tip is the ground and ring is the -48. Its a talk path, there is no transmit and receive. It supplies 48vdc that the AC created by your voice into the transmitter rides on.From what I remember the green was the tip(transmit) and the red was the ring(receive) the yellow and black are more recent addition and they were used with phones that had a lighted dial. Many installers would not connect them on the older phones and the older houses only had a two wire cable going from the street to the house.
Who did you work for?Tip is the ground and ring is the -48. Its a talk path, there is no transmit and receive. It supplies 48vdc that the AC created by your voice into the transmitter rides on.
The lighted dial came way later. A transformer was added, normally in the basement and the yellow black were tied to that. Party lines were phasing out at that time. A lot of original inside wire was two wires under seperate sheaths and it was atatched to your baseboard with what looked like thumbtacks. That was changed to a 3 conductor with red green yellow, then RGYB, then twisted pair to carry multiple lines inside the house without crosstalk. All drops have 2 wires per line. Its only been the last 20 years that multiple pairs under one sheath were in a drop as a matter of course. Still, only 2 conductors from office to set.
Than what does it mean if you are good at playing the trumpet?
Obviously, it means you blow!Than what does it mean if you are good at playing the trumpet?
United tel, United tel a Sprint co, Sprint United tel, Sprint with a 6 slash logo, Sprint with a 4 slash logo, Embarq, Centurylink, and it looks like Apollo next.Who did you work for?
It means, in the words of Lauren Bacall, you know "how to put your lips together and blow".Than what does it mean if you are good at playing the trumpet?