The thing is the ABCDE is usually rather superfluous if you give the number of pins as none of the three lane connectors have the same number of pins as a two lane connector, although there is a high density 15 way connector but HD15 is enough to define it.Sigh... I blame that on the general familiarity with the DB-25 connector. Far too many people appear to have concluded that the standard prefix is "DB". It isn't. The series is... DA-15, DB-25, DC-37, DD-50, DE-9. HDB-15 is something else altogether.Fido calls them DB-9 connectors. I think the B stands for bark, and bark means anything.
Also neither the 19pin nor 23 pin variants even have a letter as Cannon never made those.
But really these should still be referred to as Dsub connectors.
https://en.wikipedia.org/wiki/D-subminiature "The D-subminiature or D-sub is a common type of electrical connector"
There was a previous much larger D connector used on things like IBM and ICL mainframes, and they had two great big latches rather than the thumbscrews. You used to see these quite a bit back in the 60s and early 70s before they died out. Can't even find a reference to them now.
Statistics: Posted by MikeDB — Fri Nov 29, 2024 10:54 am