[time-nuts] Thunderbolt serial port

bjones0 at mindspring.com bjones0 at mindspring.com
Fri Feb 20 11:01:17 UTC 2009


Nic -	I have tried several of each... and even tried using the breakout
box to create a crossover/null modem but no luck.

Brooke -
	Thanks for the insight.  I will tear in to it this weekend and see what
I can find.

Thanks.

-Brian

On Fri, 2009-02-20 at 15:33 +1100, Nic McLean wrote:
> Are you using a straight through or crossover serial cable?
> Nic
> 
> -----Original Message-----
> From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On
> Behalf Of Brooke Clarke
> Sent: Friday, 20 February 2009 2:35 PM
> To: Discussion of precise time and frequency measurement
> Subject: Re: [time-nuts] Thunderbolt serial port
> 
> Hi Brian:
> 
> There have been a small number of problems related to poor solder joints on
> U9 
> (RS-232 chip) or the serial connector. see:
> http://www.prc68.com/I/ThunderBolt.shtml#Maint
> 
> Have Fun,
> 
> Brooke Clarke
> http://www.prc68.com
> 
> bjones0 at mindspring.com wrote:
> > I'm tired of banging my head against the wall so I think it is time to
> > ask.. Is there a way to test if the serial port on the Thunderbolt
> > works?  I know the Thunderbolt itself powers up and works (I get a
> > 9.9999978 Mhz signal out of the 10Mhz output when it is on) but I have
> > been unable to talk/listen to it in Windows (tboltmon or Lady Heather)
> > or in Linux (even looking at the raw serial port state).  I stuck my
> > breakout box on the line but I get no lights on the Thunderbolt side.
> > 
> > Thanks,
> > Brian
> > 
> > 
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> > 
> 
> 
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