Search the archive for the subject:  "Thunderbolt repair"
and "Thunderbolt quits".

Brian found a bad voltage on his power supply.

Perhaps your PC's power-saving feature?

Is your Microsoft Windows serial mouse feature disabled?

If it is not communicating at all, have you tried a different baud rate?



I have a TAPR Thunderbolt that quits talking out the serial port after a period of time. Only a power down reset gets it responding again for a while. I haven't opened it up yet; I bought one from fluke.L to get back on the air. The new one works fine.


Mike - AA8K


On 04/13/2011 12:13 PM, bill wrote:
I have a problem with the data out of the thunderbolt serial
port. I was monitoring with
ko4bb monitor and the thunderbolt quit sending data.

I seem to remember some discussion of this on the list some time
ago. I did a
search but didn't find anything.

Any suggestion ? Otherwise I will reverse engineer the serial
port and trouble shoot.

Bill K7NOM


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