> For the complete documentation index, see [llms.txt](https://ruggedboard.gitbook.io/ruggedboard/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://ruggedboard.gitbook.io/ruggedboard/test-interfaces-of-rb/interfaces/rs485.md).

# RS485

**RS-485**, also known as **TIA-485(-A)**, **EIA-485**, is a standard defining the electrical characteristics of drivers and receivers for use in serial communications systems. Electrical signaling is balanced, and multipoint systems are supported.

**Testing Info will be added shortly!!**
