[time-nuts] Tbolt and LOCK indicator - is it there?

[Bob kb8tq]

Hi

Not as far as anybody knows. Pretty much all GPSDO’s are targeted at being buried deep in an OEM 
system. There is no access to things like LED’s in that case. All monitoring is done by the serial / I2C /
SPI / USB / Ethernet / whatever port. 

People have done cute little micro + display boards to add on to the TBolt. They do the serial monitoring
and put up basic information on the display.

Bob

> On Feb 10, 2020, at 9:36 AM, Taka Kamiya via time-nuts <time-nuts at lists.febo.com> wrote:
> 
> I have a few red labeled retail version of an older t-bolt.  I'm wondering if there is a signal somewhere that will indicate LOCK condition.  I know I can read the TSIP output and parse it, but all I need is just a simple LED.  It's not anywhere in its manual and I have not seen anyone mention it or even discuss it.  Has anyone poked around inside?  Is there a secret test point somewhere?
> Thank you.
> 
> --------------------------------------- 
> (Mr.) Taka Kamiya
> KB4EMF / ex JF2DKG
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