RJ11 - RJ45
An RJ11 plug, these are the two central contacts, numbered 2 and 3, which are used to the phone line.
In the wall outlets, they lead to contacts 1 and 3 of the decision in T.
On a RJ45, these are also the two contacts of the centre, numbered 4 and 5, who are used to the phone line.
The wiring is as follows :
RJ45 to T grip
It is recommended to use the RJ45 connected in Star for new telephone installations.
The 8P8C (8 positions and 8 electrical contacts) connector is commonly used for Ethernet connections.
The RJ45 plug has 8 links generally cable like this :
|PINS||TWISTED PAIR COLORS|
|1||WHITE / GREEN|
|5||WHITE / BLUE|
|7||WHITE / BROWN|
An RJ11 plug physically resembles a RJ12 Plug and has exactly the same dimensions, but there are only 4 strands used (unlike the RJ12 using 6 strands).
The female RJ11 has 8 links numbered this :
|POSITION||NO. TWISTED PAIR||R/T||COLOR TWISTED PAIR|
|1||PAIR N ° 3||T||WHITE / GREEN|
|2||PAIR N ° 2||T||WHITE / ORANGE|
|3||PAIR NO. 1||R||BLUE|
|4||PAIR NO. 1||T||WHITE / BLUE|
|5||PAIR N ° 2||R||ORANGE|
|6||PAIR N ° 3||R||GREEN|
Each country has standardized the domestic phone jacks. However, all countries do not have the same standards and standards.
There are about 44 different variations of catch. In Germany it is the TAE connector.