RS-485
- Formal
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A standard defining the electrical characteristics of drivers and receivers for use in balanced digital multipoint systems.
- Practical
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TIA-485-A, also known as ANSI/TIA/EIA-485, TIA/EIA-485, EIA-485 or RS-485, is a standard defining the electrical characteristics of drivers and receivers for use in balanced digital multipoint systems. The standard is published by the Telecommunications Industry Association/Electronic Industries Alliance (TIA/EIA).