This cable enables you to connect an ordinary analogue telephone with an RJ11 connector to an RJ45 wall socket. All four pins in the RJ11 connector are wired straight through to the four middle pins in the RJ45 connector. Some ADSL service providers use RJ11 connectors for the wall socket and RJ45 connectors in their equipment. This cable can be used for this type of connection.
Sandberg Telephone cable, RJ11-RJ45, 1m. Cable length: 39.4" (1 m), Cable color: White. Package width: 2.44" (62 mm), Package depth: 0.906" (23 mm), Package height: 3.15" (80 mm). Connector(s): RJ11-RJ45