nonstandard D-sub connectors (was Re: [OT] USB KVM switches)

[Tony Duell]

> 
> AFAIK, the 19, 21, and 23 pin D-sub connectors don't use standard shell
> sizes, so they probably don't have an official Dx prefix.

I've never seen a 21 pin version.... (I have seen a 26 pin in a DA shell, 
but that doesn't count ;-))

I've seen the 19 pin one caleld a DF19 and the 23 pin one a DG23. I don't 
think it's official, but it makes some sense.

-tony