Contrary to how it might seem c1 is connected to terminals 2 3 not 1 4. Both the 4 way bt431a and the 6 way bt631a are shown.
Leads Direct Telecoms Wiring
Bt 431a plug wiring diagram. Click to find view print and more. Rj45 pinout diagram shows wiring for standard t568b t568a and crossover cable. Terminating the wires no wire stripping or soldering is necessary to make a good termination. 631a is used with 6 wire cordage. For a 431a head insert the wires from left to right. A pair of bt plugs.
If the lead has a bt adapter at one end the colour swap is usually made there usr tended to swap it in the rj11 plug others do their own thing. The replacement cable i got has blue blue and white and orange orange and white. The complete ethernet pinout cable wiring reference with wiring step by step guide. 431a bt 4 way plug 6p4c 631a bt 6 way plug 6p6c the 4 way plug is the standard one used on home and small business telephones. However the line is dead. I tried wiring the new cable like this.
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. Click to check the right one for you or print as reference. The krone tool idc insulation displacement connector or cheap plastic wiring tool will be used to connect the wires to the socket. Bt openreach are using new cables with new colour codes. The bt telephone cable is an inexpensive piece of wiring with the actual cost of materials amounting to just a few pence per metre. Bluewhite orangewhite whiteorange and whiteblue.
The common ones are tabled below. The wiring diagram for a master lju socket is shown here. Hi this video shows how to install a new or replacement bt plug. Cord wiring bt supplied cords came in differing styles. It plugs into the master socket and has a spare 431a connection at the bottom of this is a rj11 plug and the cable which came from that has a colour code white green blue and red. In the uk the most common way of connecting a telecommunications device to the telephone line is a bt plug.
This is pretty much unique to the uk and comes in two types. Place the telephone plug into the appropriate slot of the crimping tool and close the grips completely. The old wiring scheme was as follows connector 2 blue with white rings connector 3 orange with white rings connector 5 white with blue rings this has now changed to connector 2 blue connector 3 brown connector 5 orange the ring wire or bell wire. Remember the rj45 wiring order. Do not attempt to connect the old style round telephone lead to a plug no. 431a is used with 4 wire cordage whilst plug no.
For information on non bt line cords click here. Note that the pictorial view shown above only serves to indicate the two differing types of sockets and wiring connections. The 4 way bt plugs are used in residential systems and the 6 way bt plugs. Incorrect wiring may cause faulty operation or damage to the system.
Gallery of Bt 431a Plug Wiring Diagram
