Wiring Diagram Bt Master Socket
All extension sockets are like this.
Wiring diagram bt master socket. Youll need to check your type of master socket. The master line box is the demarcation point between your telephone equipment wiring and bts exchange line. The sockets wire from the master and then follow from socket to socket. Help to check youve got your broadband set up correctly from the socket to your bt hub.
The wiring diagram for a master lju socket is shown here. Cable before the bt master socket. You will need to be connected to your home bt broadband connection to view it or any links to it that i post on this forum. Cable after the bt master socket if bt holds ownership.
Put the cable in place and tighten the tie see diagram below. I have some serious noise problems and i am in the process of renewing the very old bt wiring scheme. Pin 3 was used as a bell wire for the old phones with a mechanical bell and a rotary dial. Install an new style nte5c bt openreach etc telephone master socket replacing nte5a.
This is the main telephone socket where the phone line enters your home usually found in the hallway near the front door. How to replace a master socket. If you have fibre to the home. Note that the pictorial view shown above only serves to indicate the two differing types of sockets and wiring connections.
If you cable to the 1st floor then consider going external usually via the front window up the wall and in the bedroom window. Contrary to how it might seem c1 is connected to terminals 2 3 not 1 4. Master sockets should not normally be used for extensions. This picture size is 1168 x 910.
The reason this is so is that everything on your side of the master is your problem. 2 and 5 carry the main phone pair. You must have one of these at the point at which bt wiring ends and yours begins. Home wiring and broadband set up a checklist.
A junction box if it is before the bt master socket. The original master socket is an lj31a i have just purchased a mk5. To download this image you can hover on image above then right click and save as.