Do you really understand the difference between RJ45 connectors and RJ11 connectors?

Recently we Huicheng Yuan connector company has a RJ45 connector order, in the communication with customers and factories we found that people seem to RJ45 and RJ11 the difference between the two is not very clear. This also led to some minor problems in the communication process, wasting a lot of time. So after the completion of the order, I collected information about RJ45 and RJ11, and combined with sales, production problems encountered in the detailed organization of this article to introduce the difference between RJ45 connectors and RJ11 connectors.

The RJ45 connector is usually used for data transmission and the most common application is the network card interface. There are two types of cables that use RJ45 connectors i.e.: straight-through cables and crossover cables. There are two common types of RJ45 interfaces: the DTE type used for Ethernet cards, router Ethernet interfaces, etc., and the DCE type used for switches, etc. The RJ11 interface is very similar to the RJ45 interface, but there are only 4 pins (RJ45 is 8 pins). In computer systems, RJ11 is mainly used to connect modem modems.RJ11 usually refers to a 6-position (6-pin) modular jack or plug. This connector is not internationally standardized and is referred to in common cabling standards. Moreover, this name is often also used for the 4-pin version of the modular connector, thus causing confusion.RJ45 and RJ11 Differences Different standards, different sizes (RJ11 has 6P6C6P4C4P4C4P2C, where C stands for the number of gold pins in the crystal header; RJ45 has 8P8C) Due to the difference in the sizes of the two (4- or 6-pin for the RJ11, and 8-pin for the RJ45 connector), it is clear that the RJ45 is not the same size. ), it is clear that the RJ45 plug can not be inserted into the RJ11 jack. The reverse is physically possible (the RJ11 plug is smaller than the RJ45 jack), which gives the false impression that the two should or can work together. This is actually not the case. It is strongly recommended not to use RJ11 plugs for RJ45 jacks. Above is the editorial "RJ45 and RJ1 difference" the answer to this question, I hope that after reading this article you can gain, the future encounter related problems can also be a good solution. In the future procurement and production work we will continue to summarize the problems encountered, organized and edited into an article published on the website, so that you have reference.

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