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What are the two holes on the USB-A cable connector for?
The two holes on the USB-A cable connector are probably familiar to many people, but not everyone clearly understands what they do.
In fact, the two holes on the USB-A cable connector have several important functions that serve a number of different purposes.
These two holes are called alignment holes, or locating holes in the USB-A cable connector, which are used to align the USB-A cable connector with the port to ensure a precise and stable connection. In addition, it also has the function of preventing damage to the pins, ensuring the quality of data transmission.
The second role of these holes is to act as a retention element as these points will prevent the connector from accidentally slipping out of the port. This is an important feature with mobile devices or when the cable is used in an environment with a lot of movement.
Those are two of the main features, and these holes also perform other functions that are less well known, such as low-speed data transmission, device identification, or power information. These functions, although quite small, can be important in some areas.
Additionally, they can block access to certain connection pins and prevent unauthorized data transmission. This is an interesting and often overlooked security add-on that is primarily focused on complex environments that require additional security to prevent accidental connections.
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