What is common knowledge about D-SUB connectors?

I.What is common knowledge about D-SUB connectors? The type of connector commonly used for serial communications is the D-sub miniature connector, also known as the D-SUB connector.1. The D-SUB connector used to be one of the smaller connectors used in computer systems.The D-sub connector is named for its D-shaped metal connector shell, which encircles the outside of the pins or jacks, which are arranged in two or more rows for transmitting serial data. 2, the connector shell is divided into five different sizes, each shell size can have two different pin configurations. The standard shell size has two rows of pins, while the high-density shell has three rows of pins. 3, because the connector uses each pin to transmit serial data separately, so it is easy to customize. There are 78 pins in its shell, and its dimensions are 1.5 cm (height) by 6.7 cm (width).4 The length of the cable with the connector can be much longer than other cables. The current universal standard for serial data does not specify any length limitations, and when using special equipment, cable lengths can be hundreds of meters or even longer. In contrast, USB is limited to a length of 5 meters or less.5. Serial communication is usually slow, especially over long distances. Communication interruptions can cause software on a computer to stop unexpectedly.6. D-Sub connectors are bulky, especially when compared to newer connectors. This makes this connector difficult to connect and disconnect in tight spaces. However, right angle adapters can be turned 90 degrees without damaging the connector, which helps the D-Sub connector in tight spaces.7. Because the pins in the D-Sub connector housing are exposed, they can be easily bent or broken. The way to avoid pin damage is to protect the pins with a D-sub plug or socket cover to prevent it from being damaged when unpaired. In addition, yin/yang converters and yin protectors help to minimize connector stress due to repeated plugging and unplugging.8. D-SUB connectors can be paired without the use of wing screws, but this friction fit does not guarantee that it will always be paired in place. On the other hand, although wing screws allow for a stronger connection, they increase the time required to plug and unplug the connector.

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