Openvox SP14x RJ45 to RJ11 Splitter (Single Pack)SP14x RJ45 to 4 RJ11 splitter SP14x is a splitter used to split 8 pins RJ45 jack to 4 RJ11 telephone lines. For use with A1200P A1200E A1610P A1610E A2410P A2410E GWM800O GWM800S Use Guide: For A1200 Series, use 3 pieces SP14x For A1610 Series, use 4 pieces SP14x For A2410 Series, use 6 pieces SP14x For GWM800, use 2 pieces SP14x ROHS compliant. Certificates: CE, FCC.