#Rj11 telephone cable code

#Rj11 telephone cable code

Given below is the color code description of RJ11. RJ11 Connector Pinout and color codeĪs per the standard, the connector with 6 positions and 4 wires is called RJ11. But an advantage of RJ11 is that it can be easily plugged into the jack of RJ45. These days, RJ11 is being replaced by RJ45 on many devices. It can also be used as an RJ11C jack.Īlthough RJ11 is mainly used in voice communication lines, older versions of fax machines and modems also use RJ11.

RJ11W: RJ11W jack is used for wall telephones.

It comes with a cord to connect with the line.

RJ11C: RJ11C jack is used on a table-top telephone.

RJ11 jack or socket is available in two forms to use on telephone lines. It connects a telephone with the wall socket and handset to the telephone. Since the connector has 6 positions, it can hold up to 3 telephone lines(2 wires/pair are needed for communication). The RJ11 is mainly used in telephone lines. RJ11 is smaller in size compared to the other registered jacks. It is considered as an extra pair, to be used in case of failure of the working pair. One pair of wires in RJ11 is left unused. These 4 wires are used in 2 pairs to make connections. But the technical and general standard for RJ11 is 6P4C. Note: In IT, 6P6C connectors are also addressed as RJ11. That is the connector of RJ11 has 6 positions(sockets) and 4 wires. Related: 9 Key Differences Between RJ45 and RJ11 – RJ11 VS RJ45 Versatility - Straight modular cable has RJ-11 male connectors on each end.

Use - Telephone landline cord lets you connect your wall phone cord, modem or fax machine to the wall jack. These connectors were small, comfortable to handle, and easy to manufacture. RJ11 Landline Phone Cable - One (1) silver 7 foot RJ11 Telephone Cable. They could replace the protective couplers, which are different for every company. These are introduced to establish a standardization to connect telephone lines with the distribution equipment. These were initially called modular connectors, first invented by Bell Systems in 1973. For example, RJ11, RJ12, RJ14, RJ25, and RJ45 are some popular registered jacks.

The RJ standards are defined according to the number of positions and wires in the connector. The most common type of Registered Jack is the RJ-45, used for Ethernet networks. An RJ is used in both single-pair and multipair telephone systems. What is RJ in RJ11?Ī Registered Jack, or RJ, is a standardized telecommunication network interface for connecting voice and data equipment to a service provided by a local exchange carrier or long-distance carrier. Although newer versions like RJ45 are now available in the market, RJ11 still prevails in the voice communication sector. It is a six-position, four-conductor modular plug or jack that is typically used in home and small office applications. RJ11 connector is one of the earliest versions of modular connectors used for telephone and modem lines.