What is RJ in networking?

What is RJ in networking?

A registered jack (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.

What is a RJ code?

RJ is an acronym for Registered Jack, which is part of a coding system developed in the 1970s by AT to classify telephone services and equipment.

What does RJ stand for in RJ45?

Registered Jack
The “RJ” in RJ45 stands for Registered Jack, a standard designation that originated with the Universal Service Ordering Code (USOC) scheme of the Bell System back in the 1970s for telephone interfaces.

What is a RJ11 plug?

(Registered Jack-11) A telephone interface that uses a cable of twisted wire pairs and a modular jack with two, four or six contacts. RJ-11 is the common connector for plugging a telephone into the wall and the handset into the telephone. See modular connector.

What is the function of RJ?

A registered jack (RJ) is a standardized network interface used for network cabling, wiring and jack construction. The primary function of registered jacks is to connect different data equipment and telecommunication devices with services normally provided by telephone exchanges or long-distance carriers.

How many RJ connectors are there?

RJ-48 connectors come in three varieties: RJ-48C and RJ-48X for connecting T1 lines, and RJ-48S for connecting 56-KB DDS lines….Types of Cable Pinning.

Connector/Cable Pinning
RJ-45 568A/B crossed (8-wire) BL (1-3), OR (2-6), BK (3-1), R (4-5), G (5-4), Y (6-2), BN (7-8), S (8-7)

What is RJ port?

RJ45, which incidentally stands for registered jack 45, is the ubiquitous Ethernet style data port found on switches, routers and network cards. The RJ45 style connectors and ports are also commonly found on Ethernet, serial and ATM IMA cards and interfaces.

On which port is RJ45 connector connected?

The Ethernet version of the RJ45 plug fits into the RJ45 port on a computer. The RJ45 port is the network port on a computer. This socket has many names. It is also known as the Ethernet port, the network adapter, the network jack or the RJ45 jack.