The feedthrough in-line coupler modules are 8-position 8-conductor (8P8C), Category 5e (CAT5e), unshielded type or shielded with metal housing.connect two modular cords; Pin 1 to Pin 1.You can make connection with patch cords when you find the situation that the cord is not long enough to your place.Or you can use this module inline coupler on the faceplate .