Rj-11 Port

http://en.wikipedia.org/wiki/RJ11,_RJ14,_RJ25

RJ-11 are often used for telephone wires. It is male and connects into the female. The wires usally have a low AC or DC Power output. new phones can have enough power supplied but the old phones need more power than the lines can support. The RJ11 are color coded by the pins. Uses a 6 position module connector.

1.What is RJ11 Usally used for?
2. Is it male or female?
3. Does it have enough power to supply to old phones or new phones?
4. RJ11 are color coded. By pins or length?
5.Does it have high or low AC-DC power output.