Interfacing an Illinois plasma terminal to the ARPANET
RFC 600, “Interfacing an Illinois plasma terminal to the ARPANET”, is an Unknown document published in November 1973 by A. Berggreen. The canonical text is published by the RFC Editor.
Abstract
Discusses some unusual interface issues for the Plato terminal.
What “Unknown” means
The standards-track status of this early RFC was never formally classified.
The canonical text of RFC 600 is hosted at rfc-editor.org. Available in TXT,PDF,HTML.