Amazon.com: RJ45 to RJ11 Cable, 6 Feet Phone Jack to Ethernet Adapter RJ11 6P4C Male to RJ45 8P8C Male Connector Plug Cord for Landline Telephone : Electronics
Rj45 ethernet to rj11 telephone adapter converter coupler Lcoup-rj45-rj11-set ethernet to phone adapter, ethernet to telephone adapter, ethernet to phone line converter, telephone line to ethernet adapter, phone line to ethernet adapter,