[aprssig] KPC3+

Matt Werner kb0kqa at gmail.com
Sat Feb 4 12:29:28 EST 2006

There is a jumper setting that allows you to pass/feed +12V out the DB
connector to the computer.

My initial guess would be that this jumper is set, and when you hook
up the computer it's shorting that 12V to ground.

Kantronics has manuals that show the pinouts and jumper settings on
their website if you don't have the book.

73 - Matt

On 2/4/06, K2DLB <k2dlb at stny.rr.com> wrote:
> I have a KPC3+ that i am trying to program for a digi. It powers up with no
> problem. When I connect the tnc to the computer the power light goes out. I
> have a feeling that it is in the jumper settings, but not sure. Does anyone
> have any idea what would cause this?  Oh by the way I checked the polarity
> from the walwart.
> Thanks
> Brian
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