[Stopping thinnet with a 3270 card...]
I once heard of a manager of some sort plugging thinnet into the back
of a VT220 (?It was VTsomething...?) video-out port. Seems he thought
it was one of those network computer deals...
VT220s had a video out BNC connector. You could drive a monitor with
it, but wasn't very useful plugged into a coax Ethernet cable.
Jack Peacock