RJ11 Telephone · AllPinouts The six-position plug and jack commonly used for telephone line connections may be used for RJ11, RJ14 or even RJ25, all of which are actually names of interface standards that use this physical connector. The RJ11 standard dictates a 2-wire connection, while RJ14 uses a 4-wire configuration, and RJ25 uses all six wires. Related searches for phone line wiring schematic 4 wire phone jack wiring diagramphone line schematic diagramhow to wire a phone jack diagramhow to wire a phone jackphone line diagramtelephone wiringresidential phone wiring diagramphone jack diagram