And they're only $1.20 each if you buy 100 at a time.
> Now, about pinouts....take a look at this page on the "Yost" method....
>
> <URL:http://www-scf.usc.edu/~khendric/info/yost.html>
>
> My only beef is that it leaves out DSR in favor of having both center
> pins be signal ground. But they've included DTR....this doesn't
> make sense to me, and it also didn't work. I ditched one of the redundant
> ground pins and put DTR there instead.
Anoother problem with this method is that the TD and RD lines, when used
with twisted-pair telephone cable, are twisted with each other. This can
cause near-end crosstalk problems. Better to have each one paired with a
pin that doesn't change state during an established session. For short
runs or with flat cable this is a non-issue.
Also, the Yost method requires that you solder or otherwise splice the
two ground wires to a single pin on the DB 25, a bit of a hassle.
We use:
DB-25 Signal Color Mod Jack
2 TD Red 4
3 RD Black 3
4 RTS Orange 2
5 CTS Blue 1
6 DSR Brown 7
7 SG Green 5
8 DCD White 8
20 DTR yellow 6
You'll still need to make up null hoods this way for those applications
that need them, but it's easier to find a hood with a big "NULL" written
on it than to closely examine a bunch of cords to see how the plugs are
pinned.
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