[time-nuts] FE-5680A not responding to serial commands

[Bryan _]

BR


If you haven't already you may want to have a look at documentation available on the K04BB web site for the 5680A, may luck out and get the serial port working.


http://www.ko4bb.com/getsimple/index.php?id=manuals&dir=02_GPS_Timing/FEI/FE-5680A


-=Bryan=-


________________________________
From: time-nuts <time-nuts-bounces at febo.com> on behalf of Jonas Jalling <jonas at jalling.dk>
Sent: November 19, 2017 11:30 PM
To: Discussion of precise time and frequency measurement
Subject: Re: [time-nuts] FE-5680A not responding to serial commands

Hi Bryan,

I don't know, so probably not. I'll try to make a dump of the firmware, and
see if that gets me anywhare. But thank you for your input - now I know
that units exist with the serial port disabled.

BR Jonas

On Mon, Nov 20, 2017 at 8:27 AM Bryan _ <bpl521 at outlook.com> wrote:

> Did the serial communication ever work?. There is so many variations of
> the FE's that it's hard to know if it was even supported for that
> particular model or option. I have one and it has a serial port, but does
> not respond to any commands.
>
>
> -=Bryan=-
>
>
> ________________________________
> From: time-nuts <time-nuts-bounces at febo.com> on behalf of Jonas Jalling <
> jonas at jalling.dk>
> Sent: November 19, 2017 12:20 AM
> To: time-nuts at febo.com
> Subject: [time-nuts] FE-5680A not responding to serial commands
>
> Hello all,
> I have an old FE-5680a I bought years ago, that surfaced from my storage
> boxes the other day. I thought I would experiment with disciplining it to
> my M12+t GPS. I have some problems adjusting the frequency though.
> If I put a scope on pins 5 and 7 of the DS80C323 processor, I can see the
> serial input (ie. 0x2D 0x04 0x00 0x29), but the processor never responds.
> Has anyone seen this problem before, and is there a way to fix it? Could
> the serial adjust be disabled? And if so, is there any way to enable it?
>
> Thanks in advance,
> BR Jonas
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