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Today you will learn about RS 485. If you are familiar with RS232, then you may already know a little bit about it.

Just like it’s older brother RS232, RS485 is a form of serial communication. Think of RS485 as the younger, faster brother of RS232.

What made it such an advancement over RS232 was the fact that it could transmit not only a single device to device transmission, but also a communications bus to connect multiple devices at once.

The configuration and specifications of RS 485 make it faster and extend the range of data transmission.

You aren’t limited to fifty feet of cable like with RS 232. The maximum cable length for RS 485 is typically listed as 1200 meters or about 4000 feet.

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A special thanks to Frederico Duarte Fagundes for translating this video.

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