RJ45 BT431 INTERNET PHONE CABLE MODEM ROUTER HIGH SPEED CAT5E SOLID COPPER RJ11
RJ45 to BT431 -for Internet Use. RJ45 to BT431 -for Phone Line Use. RJ11 to BT431 - Solid Copper. RJ45 to BT431 is used to connect the phone line from a BT socket to a CAT5e CAT6 patch panel. This cable has a variety of uses.