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D-sub, D-shaped connectors are convenient and effective solutions for connecting devices and circuitry together for lots of different devices. As important parts of any system and control boards, this type of connector can be found in nearly all electronics, ranging from computers to network security to even motion control. This article will take a closer look at several aspects of D-sub, D-shaped connectors, including their application field and working principle.

First, let\'s look at their application field. D-sub, D-shaped connectors are commonly used in computers for parallel data transfer, as they allow for more ground pins to be established. This improves the signal integrity by preventing crosstalk. The connectors are also used in telecommunications, allowing for direct connections of wires between two devices. Due to the large number of ground pins, they are also used in motion control, since they provide better stability and accuracy. Additionally, these connectors are also often used in factory automation, as they are more resistant to the environment of the factory.

Next, let\'s take a look at the working principle for D-sub, D-shaped connectors. This type of connector consists of two parts, a shell and a pin system. The shell provides the main electrically insulating casing, while the pin system provides the electrical contact points. The pins are arranged in a circular pattern, usually with two central pins that act as the ground. This allows for the maximum number of ground pins to be established, which reduces crosstalk. The central pins also act as locking points, increasing the stability of the connection.

Paired with this is a backshell, which is a protective covering that is added to the connector. The backshell is designed to provide extra insulation, protect wiring from friction or vibration, and protect the cable from the environment. The backshell is also often used as a strain relief to prevent the cables from being pulled out of the connector. In addition to this, there are also metal hoods, which are protective covers that fit tightly over the backshell, providing the best possible protection.

Overall, D-sub, D-shaped connectors provide a convenient and effective solution for many different applications. Their large number of ground pins provide higher signal integrity, while their stability helps ensure reliable connections. Furthermore, their protective backshell and hoods provide extra insulation and safety. With their wide range of uses, these connectors are essential parts of many different devices and systems.

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