> For the complete documentation index, see [llms.txt](https://docs.ceruleansonar.com/c/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.ceruleansonar.com/c/s-500-sounder/technical-details/pinout-diagram-serial-interface.md).

# Pinout diagram: Serial Interface

<figure><img src="https://1404007887-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Ft6tXJcFswXggiI88IaJw%2Fuploads%2FVqUPRY1QBV8AitxogURv%2Fimage.png?alt=media&amp;token=f2f05162-bb48-4f64-b050-5ddb23aff222" alt=""><figcaption></figcaption></figure>