Re: [Elecraft] Computer interface problem with KX3/KXPA100

2016-05-15 Thread lstavenhagen
If you're getting the big yellow bang by the device in "device mangler", that
points more to a failure in the driver for the USB device in the machine, or
a problem with the device itself inside the box. The plug could be marginal
after heavy use, or the driver may be corrupt, or the USB hub could have a
problem of some kind, etc. 

What I'd do to troubleshoot at that point is try the setup on a different
computer, or on a different USB port on the machine that you know is
separate physically from the troublesome one. Just trying a different
computer with known-good hardware in it would probably be the easiest next
step to take.

73,
LS
W5QD



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Re: [Elecraft] Computer interface problem with KX3/KXPA100

2016-05-15 Thread Bob N3MNT
Be sure the baud rate is set at 38400  The KX3 can connect at lower rates,
but the KXPA is looking for 38400.  Are you turning on amp via KX3 or the
switch on the amp.  Should be turning on via KX3



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Re: [Elecraft] Computer interface problem with KX3/KXPA100

2016-05-15 Thread peterc281
Further info... We have upgraded the KX3 to the latest revision and checked
the KXPA100 which is current to the latest software. The computer is
connected to the PC port on the KXPA100.




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Re: [Elecraft] Computer interface problem with KX3/KXPA100

2016-05-15 Thread Don Wilhelm
Make certain that the pug is fully inserted into the ACC1 jack on the 
KX3 and the RS-232 jack on the KXPA100. Also that the RJ-45 plug is 
fully latched into the Control jack.


On 5/15/2016 4:16 AM, peterc281 wrote:

A guy at the radio club is trying to get N1MM working and when he switches on
the KXPA100 the computer serial port fails.
We have confirmed all the cables will work independently ie. The KX3
responds when connected to computer and the KX3 controls the PA. But, as
soon as the PA is switched on the port fails as shown in the computer device
manager.



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[Elecraft] Computer interface problem with KX3/KXPA100

2016-05-15 Thread peterc281
A guy at the radio club is trying to get N1MM working and when he switches on
the KXPA100 the computer serial port fails.
We have confirmed all the cables will work independently ie. The KX3
responds when connected to computer and the KX3 controls the PA. But, as
soon as the PA is switched on the port fails as shown in the computer device
manager.



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