5M BT 431A PLUG TO RJ11 6P4C CROSS WIRED TELEPHONE LEAD LINE CORD EXTENSION REEL
6P4C CROSS WIRED. This 4 pin Crossover cable is used for many latest models like BT and Panasonic. Plug the modem Socket (RJ11) into your modem outlet and position the reel in the desired location. Connector Type B: RJ11 Plug.