Re: DB? What's it stand for?

Subject: Re: DB? What's it stand for?
From: Wendy Putman <wputman -at- CASTLETON -dot- COM>
Date: Mon, 15 Dec 1997 09:48:29 -0800

> What does the DB stand for in DB-9, as in a "DB-9 serial connector"?
> "D" for the shape of the connector (look at the business end of the
> pin
> connector when held with the longest side to the left). The connector
> style
> is also often referred to as D-Sub or D-Subminiature.
I asked my engineer cube-mate, who said that "B" refers to the
physical size of connector, not the number of pins. He assumes that
because people began using "DB" indiscriminately to refer to any size of
connector, adding the number of pins to the description (DB-9) helped
distinguish one type from another.
Wendy Putman, Technical Writer
Castleton Network Systems, Burnaby, BC
Tel: (604) 293-0039 / Internal: 722-5432
Email: wputman -at- castleton -dot- com, or

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