6.6FT-4Pack RJ45 8P4C to RJ11 6P4C for telephone signal(TEL port) for Landline Telephone Service Fax or Answering, Analog Phone, XXX: NOT for NETWORK signal for Ethernet Device CAT(LAN port), PC — Open-Box, 39% Off

【COMMUNICATION】: Phone Jack to Ethernet Cable Adapter, Telephone Signal transmission designed. Be made of OFC (Oxygen Free Copper) Wire of 26AWG, which is much better than ordinary Copper-clad-Steel telephone cord, and the plugs coating plated with gold, that is to make sure the great connection and conservation.

【Compatibility】：This cable is used to re-purpose 8P4C/RJ45 structured wiring for use with analog phone equipment. It has an 8P4C (sometimes called RJ45) connector on one end, and an RJ11 connector on the other. It contains four wires, so will support up to two analog phone lines, and the color coding (Red/Green, Yellow/Black) of the internal wiring is correct. The cable itself is ❌NOT COMPATIBLE for CAT Ethernet Device, Not for Computer or Smartphone

【NOT Compatibility】：important precautions and warnings 1. [Absolutely prohibited] ❌Cannot connect two network devices: Do not use this cable to connect two computers, or to connect the LAN port of the computer and router. This is completely unable to transmit network signals and may damage the device's network card. 2. [Absolutely prohibited] ❌Cannot be inserted into the WAN/LAN port of the router: Do not insert the RJ11 end into the telephone port, and the RJ45 end into the yellow WAN port or gray LAN port of the router. Router network ports are designed for high-frequency data signals, and inserting phone signals is ineffective and may be harmful.

【Comfirmation before Connection】：important precautions and warnings 1. Confirm the telephone signal source: Ensure that the device you plugged into the RJ45 end is connected to a telephone signal (from the optical modem's TEL port) instead of a network signal. 2. Line sequence issue: Most of these conversion cables on the market use RJ45 4 or 5 pins, but not 100% absolutely. If it is not working properly, it may be necessary to use a line gauge to check the line sequence.

【Reminder for Cannot】： The RJ45 Cable cannot insert to RJ11 Wall mount.This adapter only supports VoIP Ethernet jack, please confirm before purchasing!

6.6FT-4Pack RJ45 8P4C to RJ11 6P4C for telephone signal(TEL port) for Landline Telephone Service Fax or Answering, Analog Phone, XXX: NOT for NETWORK signal for Ethernet Device CAT(LAN port), PC❌NOT for NETWORK signal from Ethernet Device CAT, Computer Important precautions and warnings 1. [Absolutely prohibited] Cannot connect two network devices: Do not use this cable to connect two computers, or to connect the LAN port of the computer and router. This is completely unable to transmit network signals and may damage the device's network card. 2. [Absolutely prohibited] Cannot be inserted into the WAN/LAN port of the router: Do not insert the RJ11 end into the telephone port, and the RJ45 end into the yellow WAN port or gray LAN port of the router. Router network ports are designed for high-frequency data signals, and inserting phone signals is ineffective and may be harmful. 3. Confirm the signal source: Ensure that the device you plugged into the RJ45 end is connected to a telephone signal (from the optical modem's TEL port) instead of a network signal. 4. Line sequence issue: Most of these conversion cables on the market use RJ45 4 or 5 pins, but not 100% absolutely. If it is not working properly, it may be necessary to use a line gauge to check the line sequence.