Connector Type: RJ-45 Cable Type: Ethernet Compatible Devices: Router, Modem Color: White Brand: QUALITY ASSURANCE - The telephone cables coming into house and inside wall panel are Ethernet, but the wall jacks are standard phone cables. To use DSL service,needed to convert the incoming signal from Ethernet down to a telephone jack. Allow you use one end of cable(RJ11,6P4C) to connect the ADSL Splitter , so that can be installed between analog devices(such as telephones or analog modems) and a plain old telephone service (POTS) line.with their existing telephone (POTS) device,Also can be used for fax machines, answering machines. Note:The RJ45 Cable cannot insert to RJ11 Wall mount. Installation: For wall mounted phones, the cable is in the form of a plate hung on the standard wall mount, on which the phone hangs in turn.