[Soekris] net4801 + openbsd + serial device
Chris Cappuccio
chris at nmedia.net
Tue Apr 29 18:52:50 UTC 2008
While we're at it, there is no RJ-45. It's RJ48. RJ45 is 8 pin, 2 conductor. What everyone calls RJ45 should have been a variant of RJ48.
der Mouse [mouse at Rodents.Montreal.QC.CA] wrote:
> > This converter uses an DB-9 based serial device,
>
> It's a trivial thing in one sense...but surely this should be DE-9.
> I've never seen a DB-9 and doubt they exist; what's commonly miscalled
> a DB-9 is actually a DE-9. The letter after the D indicates the shell
> size, and the DB shell is the 25-pin size. (The other sizes: DA is the
> 15-pin size used for peecee game ports and AUI Ethernet; DC is a 37-pin
> size that isn't used for much in my experience; DD is the three-row
> 50-pin size used for SCSI by the Sun-3s. I'm sure each has plenty of
> other uses, too. I don't know why the letters aren't in order; I
> speculate the DE size was an afterthought.)
>
> Not that this is a reflection on you; it's a very common mistake - even
> many vendors of D-shell hardware make it, and I used to make it myself
> until I got the terminology straight in my head.
>
> /~\ The ASCII der Mouse
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