RJ-11 is a physical interface often used for terminating twisted pair type cables. RJ stands for Registered Jack which is part of the United States Code of Federal Regulations. It has six pins or electrical connections.1 Telephone signal polarisation and cable wiring in RJ-11
RJ-61/8P8C, RJ-25/6P6C, RJ-14/6P4C and RJ-11/6P2C Wiring
| 8P8C | 6P6C | 6P4C | 6P2C | Pair | Wire | T/R | +/- | Color | Old
|
| 1 | | | | 4 | 1 | T4 | +
| white/brown
|
|
| 2 | 1 | | | 3 | 1 | T3 | +
| white/green
|
|
| 3 | 2 | 1 | | 2 | 1 | T2 | +
| white/orange
| black
|
| 4 | 3 | 2 | 1 | 1 | 2 | R1 | -
| blue/white
| red
|
| 5 | 4 | 3 | 2 | 1 | 1 | T1 | +
| white/blue
| green
|
| 6 | 5 | 4 | | 2 | 2 | R2 | -
| orange/white
| yellow
|
| 7 | 6 | | | 3 | 2 | R3 | -
| green/white
|
|
| 8 | | | | 4 | 2 | R4 | -
| brown/white
|
|
(T4 means 4th pair's tip wire, R2 means 2nd pair's ring wire, etc.)
2 See also
3 External links
