> On Feb 27, 2020, at 8:26 PM, Nigel Johnson via cctalk <cctalk@classiccmp.org>
> wrote:
>
> More in the trivia department, the DA15 was used for AUI interconnection in
> the 10base-5, -2, and early -T days, as well as analog joysticks.
>
> I'm surprised to see wikipedia saying that the high-density ones had DA to DE
> designations, I have only seen them in catalogs with full part numbers.
> Could this be a backronym-style regression?
DA through DE designates the shape of the connector shell, so this makes sense.
As the article mentions, D-sub shells were also used for mixed pin inserts,
such as the pin plus coax combinations used in early workstation monitor
connectors. Same story: standard shell, different pin insert within that shell.
paul