7Ft RJ11 (4C) Modular Telephone Cable Reverse

Reverse wiring is generally used for voice application.

28AWG (CCA), silver satin jacket

Terminated with RJ11 (6P4C) plug on both end

4 conductor reverse wiring

pin1 --- pin4 (black)
pin2 --- pin3 (red)
pin3 --- pin2 (green)
pin4 --- pin1 (yellow)