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GP5409S LF 10/100/1000BASE-T QUAD PORT 88PIN In-line MAGNETICS MODULES

The RJ plug is a plastic connector that can only be inserted in a fixed direction and automatically prevents it from falling off. It is commonly known as “crystal head”. The professional term is RJ connector. RJ is a network interface specification. Similarly, there is RJ11 interface, which is what we use daily “Telephone Interface”, used to connect to the telephone line). Zhisuo calls it “crystal head” because of its crystal clear appearance. Both ends of the twisted-pair cable must be installed with this kind of RJ plug so that it can be plugged into the RJ interface of a network card (NIC), hub (Hub) or switch (Switch) for network communication.