On Fri, 10 Nov 2006 02:08:46 -0500, 9000 VAX" <vax9000 at gmail.com> wrote:
Might as well ask why ALL D shell connectors are
referred to as
size B.
All D shell connectors are not size B, only those with 25 pins - the
proper designation being DB-25. The 15 pin versions are DA-15 and
DE-15 (the latter being the three row version). The 37 and 50 pin
versions are DC-37 and DD-50 respectively.
Size-wise, besides the "standard" D-subminiature connectors are HD,
micro, and nano variants.
<http://en.wikipedia.org/wiki/D-subminiature> has an excellent
rundown on the various flavors (flavours) and variants of these
connectors.
CRC