On Jan 30, 2022, at 4:44 PM, John Forecast via cctalk
<cctalk at classiccmp.org> wrote:
Is it possible that the DMX11 was a CSS product?
Clearly it is; the Option/Module list (1983 edition, from Bitsavers) says so. It shows
the controller and three different 64 port line units, for different signal specs
("differential" presumably RS-422, "EIA" presumably RS-232, and 20 mA