From http://www.webshells.com/ocaw/555.gif for fair use on Oil, Chemical and Atomic Workers International Union ...
Found on http://en.wikipedia.org/wiki/Dnet


DNET is a proprietary software suite of network protocols created by Swedish Dataindustrier AB DIAB, originally deployed on their Databoard products. It was based upon X.25, which was particularly popular in European telecommunications circles at that time. In that incarnation it was rated at 1 Mbit/s over RS-422. In the 80`s, ISC Systems Corpora....
Found on http://en.wikipedia.org/wiki/DNET
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