[aprssig] Re: APRS Standard Connectors?
Robert Bruninga
bruninga at usna.edu
Wed Nov 30 23:40:37 EST 2005
Thanks Neil,
I though it was a short on the back. Now I
see what you mean. Thanks Bob
>>> Neil.Johnson at erudicon.com 11/30/05 10:00 PM >>>
Bob,
It's just easier to short pins because the outer "shell" of the
connector is metal and the shape and size of the connector make it easy
to brush against the pins with the "shell".
The PS/2 connectors have a metal "shell" but the pins are seated deeper
in the connector so it's more difficult to short them.
I'll take quite a bit of the blame for the problem my self. I should
have powered down everything before reconnecting the GPS, the adapter
cable I built to convert from the accessory connector on my radio to the
DB-9 is way to short, and I should of put the TT3 in a different kind of
enclosure (No complaints about the blue box, but I realize now it wasn't
appropriate for my installation).
I guess I should have said that I don't have a problem with using a DB-9
connector as a standard for a data connector, just not for supplying power.
And John, thanks for the suggestion. I should have thought of that.
--
Neil Johnson, N0SFH
Robert Bruninga wrote:
>>>>Neil.Johnson at erudicon.com 11/30/05 8:47 PM >>>
>>
>>...I had managed to short two pins on the male
>>DB-9 with the outer shield of the female DB-9...
>>I guess I wouldn't recommend the DB-9 as a
>>standard connector.
>
>
> But shorted pins are going to blow a fuse no matter
> what connector you use... (unless I missed something...)
>
>
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