[. . . ] [. . . ] The entire length of the cable is approximately 15 feet (4. 572 meters) with a 3. 5 mm connector at each end. One end of the ST-109 plugs into one of the ST-CP IR OUT ports and the other end plugs into the Control S port of any Sony Ctrl-S device. Physical View of the ST-109 NOTE: Mutilation of the ST-109 in any manner may diminish its performance within the control system. 5734 SmarTouch: ST-109 · 1 06. 98 Spcifications subject to change without notice. [. . . ] [. . . ]