I have had problems with TBolts on PCs. The COM port assignments seem to be a bit volatile, plug in a different mouse or other user and you may find the COM port has been assigned to it. I have never been able to confidently cope with this problem, I just keep hacking the system and sooner or later I get the COM port right with the right settings and all is well.
There seem to be up to 3 layers to get right.
This may be because I use USB to serial converters or just be inherent to the later Windows OS.
cheers, Neville Michie

On 17/07/2010, at 5:02 PM, Adam Feigin wrote:

After rebooting one of my servers, I noticed that I was no longer
getting information from my Thunderbolt. Low and behold, it really seems
to be no longer supplying TSIP packets on the serial port. The PS is
okay, and the PPS and 10Mhz outputs also are working. Its just the
serial output which seems to be broken. Connected it directly to a PC,
and tried with both Heather and Tboltmon. Heather says No COM1 Serial
Port data seen, and Tboltmon shows data being sent, but nothing being
received. Even tried a factory reset via Tboltmon, to no avail.

Have no idea why it might have stopped working. Any suggestions ? TIA.



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