[aprssig] KPC3+

Jim Bradbury jim at bradbury.org
Sat Feb 4 14:01:47 EST 2006

It could be a grounding issue.
disconnect the KPC3+ from the PC
then check to see if there is any
voltage between the grounds from
the PC and the KPC3+.  There are
two grounds - signal ground and
chassis ground that is usually
transferred through the shield
on the cable.  If there is a voltage,
turn the walwart the other direction
at the wall outlet and try again.

-= Jim =-

-------- Original Message --------
Subject: 	[aprssig] KPC3+
Date: 	Sat, 4 Feb 2006 13:42:32 -0500
From: 	K2DLB <k2dlb at stny.rr.com>
Reply-To: 	TAPR APRS Mailing List <aprssig at lists.tapr.org>
To: 	<aprssig at lists.tapr.org>

Well guys, I have checked the jumper settings and alll appear to be
correct. Unplugged walwart and no power. This computer and cable does
work on a KPC3 here at the qth. Also on a KPC3+ on the hill 30 miles
away.  Any other ideas

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