[time-nuts] help with initial setup for Motorola M12+T GPS? is my board dead?

Stijn stijn at pe1rks.nl
Sat Mar 5 08:06:25 UTC 2011


Looking at your pictures on Picasa, I can see that the backup battery is 
mounted upside down.
I would at least turn this over and check again.

Stijn

Op 05-03-11 08:54, John Beale schreef:
> I just received my first real piece of time hardware, a M12+T timing
> GPS. At least, that's what it's supposed to be, it doesn't actually have
> any label saying so. I got it online from this seller:
>
> http://www.ioffer.com/i/Motorola-ONCORE-M12+T-timing-gps-receiver-1pps-100hz-105387652
>
>
> The board I received looks like this:
> https://picasaweb.google.com/bealevideo/GPS#5580118907079326290
>
> I got the 2x5 0.05" connector, built a 3.0V power supply, and hooked up
> the serial lines to a FTDI USB-to-serial (3.3V logic level) board, and
> am trying to talk Motorola Binary at 9600 baud to it using WinOncore12.
> I tried the "setup receiver" wizard, the "GPS self-test", and uploading
> an almanac. My scope shows the serial data from the PC going into the
> board, but no signals ever come out. The TX line out of the board just
> sits quietly at +3V. Is there anything obvious I should be trying?
> Thanks for any help!
>
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