[time-nuts] Z3801A and Z38XX Issues

[Bob kb8tq]

Hi

The gotcha is that the 3801 is an “ask for it / get it” protocol. If you don’t 
get the query formatted correctly, there will be no data coming back. It’s not
like some other GPSDO’s that just yack all the time.

Bob

> On Sep 16, 2017, at 9:27 AM, Brad Stockdale <taynoo at hush.com> wrote:
> 
> From what I recall, the manual was accurate on the baud, stop bits,
> parity, etc. Just a few thoughts.... Make sure that the serial port is
> working as expected... Do a loop back test if possible. Are you using
> a USB to Serial adapter? Many of them have some weird quirks. IMHO,
> FTDI based adapters work better than others.  Forego using the Z38XX.
> Try using a plain terminal app and see if you get any weird characters
> echo'd back instead of expected responses. Etc... There are a lot of
> possible causes when a serial connection isn't working right.
> 
> On 9/16/2017 at 12:26 AM, "Richard Solomon"  wrote:Not according to
> the manual, but then that could be my problem !!
> 73, Dick, W1KSZ
> Sent from Outlook
> ________________________________
> From: time-nuts  on behalf of Bill Hawkins 
> Sent: Sunday, September 10, 2017 8:16:17 PM
> To: 'Discussion of precise time and frequency measurement'
> Subject: Re: [time-nuts] Z3801A and Z38XX Issues
> 
> Shouldn't that be 8 data bits?
> 
> Bill Hawkins
> 
> -----Original Message-----
> From: time-nuts [mailto:time-nuts-bounces at febo.com] On Behalf Of
> Richard
> Solomon
> Sent: Saturday, September 09, 2017 4:24 PM
> 
> I downloaded and installed Z38XX, configured both the Port and Device
> to
> the recommended parameters:
> Data Rate:  19,200
> 
> Parity:  Odd
> 
> Data Bits:  7
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