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What exactly is RS-232? First and foremost, it is a form of serial data transmission. Or simply put, it is a form of communication. Most people simply call it a serial connection.
RS-232 stands for Recommended Standard 232 and the connector is commonly a standard 9-pin D-sub connector. RS-232 has a wide, established base of users, as it is one of the first serial interfaces. Many industries find that it doesn’t cost any extra time or money to upgrade once it’s designed into an application. RS-232 needs simple hardware and very little software for communication, while other interfaces can be a bit more complex.
RS-232 offers simplicity in implementation and it offers a cost-effective, simple method of communication for prototyping and in industrial applications.
Industrial computers or PLC’s use RS-232 to talk to other module such as modems, printers, data storage and other peripheral devices. These devices generate their own higher voltage to drive the RS-232. Coolgear’s RS-232 devices also offer ESD protection up to 15kV.
While USB has become the industry standard, RS-232 is still used in many industrial applications where short-range, low-speed wired data connections are adequate due to its simplicity, low cost and ease of use. In some situations, RS-232 can solve problems that other interfaces can’t.
With the help of simple adapters, devices can still talk to each other using the new and old standards.
RS-232: communication with modems, printers, and other PC peripherals. The typical maximum cable length is 100ft.
Even though RS-232 is a standard, you cannot expect seamless integration through all RS-232 devices. Please contact one of our product specialists to find the right connection for your next project.