Can you move the sockets to get a clearer picture of what colour wires and cables are connected where. The wiring diagram for a master lju socket is shown here.
Pots Phone Wiring Diagram Honda 10 Brillenstudio Weichert De
Master socket wiring diagram. Note that the pictorial view shown above only serves to indicate the two differing types of sockets and wiring connections. If the lead has a bt adapter at one end the colour swap is usually made there usr tended to swap it in. Wiring inside a master socket. Wiring for master 5c socket hmm on closer inspection it looks as though the socket on the left has been connected to the incoming wires on the green and black pair pair. Nte5 linebox wiring instructions. Hi this video is a very quick example of how to wire up a nte5 master socket as found in the uk on bt and virgin media telephone lines.
Note that with the two rightmost 2 wire examples in the diagram going from rj11 to bt will involve the colour code going wrong at one end or the other unless a junction box or joint is used. For every cable at each socket cut the sheath at the end of a cable about 13mm 12 in with a pair of side cutters and expose the white nylon ripcord. Fwiw as your consumer panel shown in photo 3 has no extension wiring connected to it if it did it would be wired on 2 and 5 of the panel then your filtered faceplate isnt going to achieve more than what a regular broadband filter would the block type that would plug into your master socket and your router and phone would plug into it. For much more detail then please watch my longer 22 minute. Contrary to how it might seem c1 is connected to terminals 2 3 not 1 4. Wiring the sockets start at the last socket and finish at the master socket.