Amazon.com: RetailAndBulk 2-Way RJ11 Splitter Female to Female 6P4C Telephone Line Adapter with Cable (Black, 2-Pack) : Electronics
RJ45 to RJ11 Adapter,Ethernet to Phone Line Adapter, Phone Line to Ethernet Adapter RJ45 8P8C Female to RJ11 6P4C Male Converter Adapter Cable - Walmart.com
Why is the Ethernet splitter not working? How do I fix it? - Quora