RJ12 cord coupler.Straight couplers preserve the right to left order of the pins inside the connectors. This coupler has 6 pins for RJ12 connectors.PIn Out 1 1 2 2 3 3 4 4 5 5 6 6 *Monoprice continually strives to improve its product line to bring our customers the best products available. Therefore, changes may be made to listed specifications without prior notice. Item received may not match photo or specs shown.