That is correct but there are still existing telecoms being used in properties plus some people want to connect the existing to the new so the knowledge of the wiring and how it works will be helpful.
The two wires coming from the local telephone exchange the feed coming into your property have a hi and low frequency the high is broadband and the low is phone. Now days you only really need two wires coming from the socket going around the property to secondary extension sockets but in the earlier days the old phones needed an extra wire called the bell wire to make them ring. You would only need use three terminating positions in the socket 2&5 voice & 3 bell wire 😁
Those lines are being done away with, have to change by plugging the wire into the internet router in the next couple of years, ours is already plugged into router with landline discontinued.
That is correct but there are still existing telecoms being used in properties plus some people want to connect the existing to the new so the knowledge of the wiring and how it works will be helpful.
The two wires coming from the local telephone exchange the feed coming into your property have a hi and low frequency the high is broadband and the low is phone.
Now days you only really need two wires coming from the socket going around the property to secondary extension sockets but in the earlier days the old phones needed an extra wire called the bell wire to make them ring.
You would only need use three terminating positions in the socket 2&5 voice & 3 bell wire 😁
ok, why is it 2 wires coming from the telecom, 3 wires going from the box to the rest of the house, and a 4 pin socket? that needs more explanation.
Those lines are being done away with, have to change by plugging the wire into the internet router in the next couple of years, ours is already plugged into router with landline discontinued.