[cctalk] Re: RS232 then and now

[Paul Koning via cctalk]

> On Feb 2, 2025, at 7:42 PM, Robert Feldman via cctalk <cctalk@classiccmp.org> 
> wrote:
> 
> 
> My vote for the worst connector screw-up is the AT&T (Olivetti) 6300. Its 
> monochrome monitor used a DB25 to supply both the signals and 12 volts to 
> power the monitor.
> 
> Bob

DEC did something similar with the Pro, except they used a DA-15 connector to 
carry video (monochrome as well as RGB), keyboard data (4800 bps UART) and 12 
volt power.

        paul