[Soekris] Second DB9 serial connector?
der Mouse
mouse at Rodents.Montreal.QC.CA
Fri Jul 13 15:54:11 UTC 2007
> [...] punch the second DB9 hole [...]
Argh! Not to pick on this post - or poster - in particular; I've just
been seeing this mistake over and over, and it's finally gotten to the
"minor rant outburst" point.
That is not a DB9! The DB shell is the size used for 25-pin
connectors; the size used for 9-pin serial is the DE shell. (DA is the
15-pin size used for peecee joystick ports and AUI Ethernet; DB is the
25-pin kind used for standard serial ports and peecee parallel ports;
DC is a 39-pin size most people rarely/never see; DD is a three-row
50-pin size used for Sun-2-era SCSI and nothing else I know of, though
there probably is something; and DE is the size used for 9-pin serial
and 15-pin "VGA" video. Other sizes exist, such as the 19?-pin size
used by NeXT video, but as far as I know they don't have Dx names.)
I have never seen a DB9 - a connector designed with only nine pin
positions in a DB-size shell - and, while I would hesitate to say no
such thing exists, it certainly is very far from common.
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