D connector tirade (was: Re: Age-old ethernet equipment)

From: Richard Erlacher <edick_at_idcomm.com>
Date: Thu Mar 29 13:16:06 2001

One teensy thing ... it's a DD-78, not DE, which is obvious when one considers
that the little VGA connector is in the 'E' shell.

Dick
----- Original Message -----
From: "Eric J. Korpela" <korpela_at_ellie.ssl.berkeley.edu>
To: <classiccmp_at_classiccmp.org>
Sent: Thursday, March 29, 2001 11:55 AM
Subject: D connector tirade (was: Re: Age-old ethernet equipment)


> >> What is the purpose of the DB-9 connector?
> > My old SynOptics 2813 hubs have a DA9 as well, and it's some odd
>
> I'm going to pop in and point out a pet peeve of mine. The letter
> following the D in a D-sub connector is the shell size.
>
> The standard options I'm aware of are:
> DE-9, DA-15, DB-25, DC-37, DD-50, DE-15, DA-26, DB-44, DC-62, DE-78,
> and the occasional 2DE-19 and 2DB-52. Those 19 pin "D style" connectors
> that Apple, Atari & NeXT were so fond of don't really count because
> they were really just an attempt to force people to buy branded
> products.
>
> It's quite possible that someone made a DB-9 or a DA-9. If they did,
> you certainly couldn't plug your mouse into one. (Actually there is
> a DB-9W4 which has 5 standard pins and 4 places for either coax inserts
> or size 8 pins (just in case you need to run 160 amps through your
> connector.))
>
> It doesn't so much bother me when people use "DB-9" in conversation, but
> when people selling the things online have them listed incorrectly it
> makes a search more difficult.
>
> My next tirade will be on why you should always specify pins and sockets
> rather than male or female. (It doesn't have anything to do with sexism.)
> Now back to your regularly scheduled discussion.
>
> Eric
>
>
Received on Thu Mar 29 2001 - 13:16:06 BST