An asynchronous port on the computer used to connect a serial device to the computer and capable of transmitting one bit at a time. Serial ports are typically identified on IBM compatible computers as COM (communications) ports. For example, a mouse might be connected to COM1 and a modem to COM2. The picture shows the DB9 serial port on the back of a computer.
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Serial Patch Cables. Flat Ribbon Cable Ideal for âtight fits,â this cable slips behind desks and cubicles. Choose from DB or specialty connectors. Interface/Extension Cable Extend DB connections from 2 feet up to 200 feet away. Choose from unshielded cables and shielded cables with repinnable, EMI/RFI hoods. DB9 Male Connector - Solder Serial Connector RS232. These DB9 Male Solder Connectors are used to terminate the connection type of a cable. Good free ip booter. They can easily be soldered to a custom length cable as well as create a custom pinout, creating a permanent and durable connection for all applications. These connectors are made with high-quality materials to ensure durability and a long life.
Where is the serial port on a computer?
The serial port is found on the back of the computer and is part of the motherboard.
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With the introduction of USB, FireWire, and other faster solutions serial ports are rarely used when compared to how often they've been used in the past. Also, many new computers and laptops no longer have a serial port.
Serial Cable Connector KitIdentifying a serial port
In the above graphic of a serial port, you can notice the DB9 serial port connection is easy to identify. The connection is in the shape of the letter D, is a male connector, and has 9 pins.
What is the serial port used for?
Below is a listing of various hardware components that can be purchased and used with your serial port.
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Mouse - One of the most commonly used devices for serial ports, usually used with computers with no PS/2 or USB ports and specialty mice.
Modem - Another commonly used device for serial ports. Used commonly with older computers, however, is also commonly used for its ease of use. Network - One of the original uses of the serial port, which allowed two computers to connect together and allow large files to be transferred between the two. Printer - Today, this not a commonly used device for serial ports. However, was frequently used with older printers and plotters. Serial port pin information![]()
Below is a listing of each of the pins located on the DB9 connector, their purpose, and signal name. As can be seen in the above picture pin one is in the top left and pin 9 is in the bottom right.
Most of today's computers are eliminating the serial port in favor of USB ports.
Related serial port pages
Com port, Connection, Hardware terms, Motherboard terms, Parallel port, Port, RS-232, Serial
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