Our 25ft 6 conductor RJ12 telephone line cable is designed for use with both Business and Home telephone systems. These heavy duty cables will work with 1, 2 or 3 line phones. Plug and play ready for fax lines, modems, cordless or standard phones.
pin1 -- pin6 (white)
pin2 -- pin5 (black)
pin3 -- pin4 (red)
pin4 -- pin3 (green)
pin5 -- pin2 (yellow)
pin6 -- pin1 (blue)