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D-Shaped Connectors - Centronics is a type of connector used to connect various electrical and electronic components. This type of connector is also known as Centronics connector, D-shaped connector or Centronics-style connector. It was named after the company called “Centronics” which was the first manufacturer to mass- produce the connector.

The D-shaped connector is constructed of tough, insulating plastic material and a series of metal pins that are arranged in a specific pattern. The outer plastic material is usually colored red or black, while the metal pins are arranged in a “D” shape. This arrangement helps make the connection secure and reduce the chance of short circuits.

D-shaped connectors are primarily used to connect peripherals such as printers and scanners to computers. The Centronics connector was the original connector used for the IBM-compatible PC printer port, first introduced on the original IBM PC in 1981. It was replaced by the more modern USB connector on most new devices, but the Centronics connector is still used in some legacy applications and suitable for short-distance connections.

The most common version of the Centronics connector has 36 pins, with 30 pins arranged in the shape of a “D”, and the other 6 pins arranged in a rectangular pattern on the bottom. The number of pins in the connector can vary between 28 and 40, depending on the version and the application. Each of these pins has a specific function and provides either power or a data connection to the peripheral device.

The working principle for the Centronics connector is simple and straightforward. When a compatible printer or other peripheral device is connected to a computer with a Centronics connector, the pins from both connectors are lined up and then pushed together to make a secure connection. This connection bridges the two devices together, allowing them to communicate and share data.

The Centronics connector has been one of the most popular connectors for connecting peripherals to computers for many years due to its simplicity and ease of use. While it has since been replaced by more modern technology, it is still used in many legacy applications and continues to be a reliable way to connect different types of peripherals to computers.

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