How does a serial connection work?

by Ishan Jayman|30 Apr 2021|Engineering|Portable|18 views
Serial flow is a stream of bits over a single wire (such as on the transmit or receive pin of the serial connector). For the serial port to create such a flow, it must convert data from parallel (inside the computer) to serial on the transmit pin (and conversely).

In this manner, what connects to a serial port?

A socket that connects to a serial interface (one bit following another over one line). Serial ports are widely used by sensors for data acquisition, and they were standard on early computers for connecting a modem, mouse and other peripherals.

Is USB a serial?

USB stand for Universal Serial Bus not Port. The term "serial port" simply means that the data is transferred one bit at a time over a single signal path - in that sense even Ethernet is serial in nature. The word serial in both terms implies no relationship other the width of the data path.

What is serial cable used for?

A serial cable is a cable used to transfer information between two devices using a serial communication protocol. The form of connectors depends on the particular serial port used. A cable wired for connecting two DTEs directly is known as a null modem cable.

Are serial ports still used?

Modern computers without serial ports may require USB-to-serial converters to allow compatibility with RS-232 serial devices. Serial ports are still used in applications such as industrial automation systems, scientific instruments, point of sale systems and some industrial and consumer products.

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