LCP black Single Port Connecteur RJ45 Female Jack With Led Light

LCP black Single Port Connecteur RJ45 Female Jack With Led Light

• The RJ45 interface is usually used for data transmission, and the most common application is the network interface.

  RJ45 is a type of connector of various kinds (for example, RJ11 is also a type of connector, but it is used for telephones); RJ45 head according to the sorting of the line is divided into two kinds, one is orange and white, orange, green and white, blue, blue and white, green, brown and white, brown; The other is green-white, green, orange-white, blue, blue-white, orange, brown-white, brown; Therefore, there are two kinds of lines using RJ45 connectors: straight line, cross line.

• 10/100 Base TX RJ45 ports Are common Ethernet ports that support 10 mbit/s and 100 MBIT/s self-adaptive network connection speeds. Common RJ45 ports are DTE ports for Ethernet nics and routers and DCE ports for switches. DTE can be called "data terminal equipment", DCE can be called "data communication equipment". In a sense, DTE devices are called "active communication devices" and DCE devices are called "passive communication devices". When two devices of the same type communicate using an RJ45 connection, a crossover connection must be used. This can be illustrated by the following RJ45 DTE type pin definition and RJ45 DCE type pin definition:

  Definition of DTE pins of an RJ45 port

  RJ45 port DCE pin definition

  As can be seen from the figure above, if two DTE type interfaces (or DCE type interfaces) are connected without cross-connected pins, the pins of the contact are all data receiving (sending) pins, inevitably communication will not be carried out.

  Note in addition: Some DCE devices automatically negotiate with the peer end. In this case, cross-line or parallel line can be used for connection.

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