RJ45 is a kind of information socket (ie, communication terminal) connector in the wiring system. The connector consists of a plug (connector, crystal head) and a socket (module). The plug has 8 grooves and 8 contacts. RJ is an abbreviation for Registered Jack, meaning "registered socket." In the FCC (United States Federal Communications Commission Standards and Regulations), RJ is the interface describing the public telecommunication network, and the RJ45 of the computer network is the common name of the standard 8-bit modular interface.
Rj45 interface size
The RJ45 interface mainly includes the DTE type used for the Ethernet interface of the Ethernet network adapter, and the DCE type used for the switch. The RJ45 connector, also known as the crystal head, is an 8-pin connector that is fixed in size and cannot be plugged into other size jacks.
Rj45 interface standard
There are 568A and 5688 wire sequences in the RJ45 straight-through standard.
Green and white, green, orange, blue, blue and white, orange, brown and brown. There is also a recitation of the mouth: green, blue, orange and brown, with light colors in front and five interchangeable.
Orange, orange, green and white, blue, blue, green, brown and white. The back mouth is: orange blue green brown, light color in front, five interchangeable.