[time-nuts] NTGS50AA No Serial

[EB4APL]

I had a stupid problem with mine when doing some tests and I had the 
same symptoms and it took me several days of tests to realize the problem.

The original flat cable that goes to the auxiliary board with the panel 
lights and the RS-232 connector has the pins reversed so if you connect 
the pin one to pin one you still get some LEDs on but no comms. Connect 
it as per the attached photo.  If the list deletes the attachments, 
please ask me to send it directly.


El 15/04/2017 a las 13:11, Bryan _ escribió:
> Have you tried different serial settings I wonder if the hard reset mucked things up. have a Nortel as well, never had a issue with a reset but try changing a few thing sup. It may need the unusual 19200,7,Odd and 1 stop bit setting.
>
>
> If you try a terminal program do you at least see some garbage characters?
>
> -=Bryan=-
>
>
> ________________________________
> From: time-nuts <time-nuts-bounces at febo.com> on behalf of Ed Armstrong <eds_equipment at verizon.net>
> Sent: April 15, 2017 1:13 AM
> To: Discussion of precise time and frequency measurement
> Subject: [time-nuts] NTGS50AA No Serial
>
> My NTGS50AA is suddenly lacking the ability to communicate. It's been
> working fine for months, but I was trying a few things with my Raspberry
> Pi NTP server.
>
> Had GPSD accessing the NTGS50AA through a ch340 USB to serial adapter.
> Found out Lady Heather displays much less info when connecting through
> GPSD, so I went back to LH connecting directly to NTGS50AA through ch340
> adapter on windows 7. Curiously, it was surveying, not in position lock.
> So, I did a hard reset. Never heard from it since :(
>
> If it's unplugged, all the lights behave as they should when you power
> it up again. "Locked" light eventually comes on. PPS still works. Just
> no serial. Even tried Trimble Studio with auto detect settings, no
> connect here either. I've tried a second ch340 USB to serial adapter,
> same deal. Any suggestions?
>
> Thanks
> Ed
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