Connector1976TIA / EIA (Telecommunications Industry Association)

RJ11 6P4C Modular Connector (Telephone)

6-position 4-contact modular connector used for analog telephone lines, DSL connections, and fax machines. Smaller than RJ45 with 6mm width.

Aliase:RJ11, 6P4C, 6P2C, Phone Jack, Telephone Connector, Modem Port, DSL

RJ11 6P4C Jack (Standard Telephone Wiring)

4 Pins
RJ11 6P4C Modular Jack (Telephone)Line 2 T1Line 1 R2Line 1 T3Line 2 R4PINOUTDB.ORG
Pinout Table4
PinSignal / NameTypeAlternative Functions
1Line 2 TAnalog
Line 2 Tip (second phone line, often unused)
2Line 1 RAnalog
Line 1 Ring (primary line, red wire)
3Line 1 TAnalog
Line 1 Tip (primary line, green wire)
4Line 2 RAnalog
Line 2 Ring (second phone line, often unused)