About the types and functions of RJ45 crystal head connectors

RJ45 connector is mainly composed of plugs and sockets, we call it RJ45 crystal head, mainly used in the termination of data cables to achieve the equipment, distribution frame module asked to connect and change. The requirements of the RJ45 crystal head connector has good conductivity; RJ45 connector socket is the core of the modular jack, gold-plated wire or socket holes can be maintained with the modular plug shrapnel between the stable and reliable electrical connection. When the modular RJ45 plug is inserted, the interface between the plug and the RJ45 jack can produce the maximum pull-out strength. However, due to the friction between the shrapnel and the jack, the electrical contact with the insertion of the RJ45 plug has to be further strengthened. And it has the functions of preventing loosening, insertion and removal, and self-locking.

RJ45 connector crystal head is relatively small, but it can not be underestimated, for the network has an essential role in many network failures there are a considerable part of the crystal head is due to poor quality and caused by the RJ45 crystal head has several grades, the general quality of the higher-end connector manufacturers such as Lianxin Technology quality will be more reliable, the price will be more than some of the market brand-name More expensive. I suggest that the pro in the purchase of RJ45 connectors do not want to cheap, especially on the quality requirements and meet the standards of the project, the quality requirements will be more stringent, otherwise the quality can not be guaranteed, but also cause unnecessary trouble, the quality of the poorer RJ45 interface is mainly reflected in the contact probes are copper-plated, prone to rust, resulting in poor contact, the network can not be reached and other situations. Poor quality there is a little obvious manifestation of the plastic buckle bit is not tight (usually due to deformation), is also easy to cause poor contact, network interruptions, etc. RJ45 connector types Huicheng Yuan Technology commonly used RJ45 connectors are: RJ45 connector 90 degrees plug board type 16 long mesh up with lights / no lights, RJ45 connector 18.4 long, RJ45 connector 21.3 long front two pins / rear two pins, RJ45 straight, RJ45 straight, RJ45 straight, RJ45 straight, RJ45 straight, RJ45 straight, RJ45 straight, RJ45 straight, RJ45 straight. RJ45 connector 18.4 long, RJ45 connector 21.3 long front two pins / rear two pins, RJ45 direct plug 180 degrees 16.6 long with lights / no lights, RJ45 double layer with lights without lights, RJ45 network interface 1 * 2 side-by-side with lights / no lights, RJ45 interface + USB double layer, RJ45 countersunk board plug-in type, RJ45 connector sticker type, RJ45 connector with shrapnel / shielding and so on.

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