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How many sizes of network cable crystal heads are available?

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1, RJ-45 connector, each twisted pair cable ends are connected to the network card and hub by installing RJ-45 connector;

2, RJ-45 plug is a can only be inserted in a fixed direction and automatically prevent the fall off of the plastic connector, commonly known as the "crystal head", the technical term for the RJ-45 connector. The reason why it is called "crystal head" is because of its crystal clear appearance. Both ends of the twisted pair cable must be installed this RJ-45 plug, in order to plug in the network card (NIC), hub (Hub) or switch (Switch) RJ-45 interface for network communications;

3, RJ-45 RJ11 interface and RJ45 interface is very similar, but only 4 pins (RJ45 for 8). In the computer system, RJ11 is mainly used to connect modem debugging demodulator;

4. In daily application, RJ-11 is commonly used in telephone lines;

5, there is also a RJ12 usually also applies to voice communications, structure and the first two, but there are six pins (6p6c). Also derived from six slots four pins (6p4c) and six slots two pins (6p2c) two.