what is a serial port used for

what is a serial port used for

Up to date: 06/30/2020 by Laptop Hope Serial port cable

An asynchronous port on the pc used to attach a serial system to the pc and able to transmitting one bit at a time. Serial ports are often recognized on IBM appropriate computer systems as COM (communications) ports. For instance, a mouse would possibly connect with COM1 and a modem to COM2. The image exhibits the DB9 serial connector on a cable.

  • The place is the serial port on a pc?
  • Figuring out a serial port
  • What’s the serial port used for?
  • Serial port pin info
  • Associated pages.

The place is the serial port on a pc?

The serial port is discovered on the again of the pc and is a part of the motherboard.

You’re reading: what is a serial port used for

Observe

With the introduction of USB, FireWire, and different sooner options serial ports are not often used in comparison with how usually they have been used previously. Additionally, many new computer systems and laptops now not have a serial port.

Figuring out a serial port

Within the above graphic of a serial port, you’ll be able to discover the DB9 serial port connection is simple to establish. The connection is within the form of the letter D, is a male connector, and has 9 pins.

What’s the serial port used for?

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Beneath is an inventory of assorted {hardware} elements that may be bought and used along with your serial port.

Mouse – Some of the generally used units for serial ports, often used with computer systems with no PS/2 or USB ports and specialty mice. Modem – One other generally used system for serial ports. Used generally with older computer systems, nonetheless, can also be generally used for its ease of use. Community – One of many authentic makes use of of the serial port, which allowed two computer systems to attach collectively and permit giant recordsdata to be transferred between the 2. Printer – At this time, this not a generally used system for serial ports. Nevertheless, was steadily used with older printers and plotters.

Serial port pin info

Beneath is an inventory of every of the pins on the DB9 connector, their goal, and sign title.

Observe

With many computer systems, the serial port is labeled as “10101” that are ones and zeros to symbolize binary. A person may additionally interpret the quantity “1” because the letter “I” and the zeros because the letter “O” and name it the “IOIOI” port.

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Computer serial port and pin numbers

As proven above, pin one is within the top-left portion of the port and pin 9 is within the backside proper.

PIN PURPOSE SIGNAL NAME 1 Information Service Detect DCD 2 Acquired Information RxData 3 Transmitted Information TxData 4 Information Terminal Prepared DTR 5 Sign Floor Gnd 6 Information Set Prepared DSR 7 Request To Ship RTS 8 Clear To Ship CTS 9 Ring Indicator RI Observe

Most of at the moment’s computer systems are eliminating the serial port in favor of USB ports.

Associated pages

  • Tips on how to troubleshoot a brand new serial system.
  • Tips on how to arrange a direct cable connection in Home windows 95 and 98.
  • Tips on how to set up a brand new port in Home windows 98 or 95.
  • Modem assist and assist
  • Motherboard assist and assist.
  • Mouse and touchpad assist and assist.

Com port, Connection, Information cable, {Hardware} phrases, Motherboard phrases, Parallel port, Port, RS-232, Serial

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