[time-nuts] My stubborn Z3801A

Bob Camp lists at rtty.us
Tue Jun 15 02:51:16 UTC 2010


Hi

... and Z38XX has nice things like error logs and serial transaction windows that are *very* nice for debugging problems. 

Bob


On Jun 14, 2010, at 9:12 PM, Adrian wrote:

> Bob,
> 
> as by the Z3801 manual, the (RS422) port (of your PC) has to match the following settings:
> Pace: None
> Baud Rate: 19200
> Parity: Odd
> Data Bits: 7/chr
> Start Bits: 1
> Stop Bits: 1
> There is no auto interface configuration mode inside the 3801. If the settings are wrong or the cable isn't correct, nuthing's gonna happen.
> When you have installed SatStat on your PC, check if the default settings are correct, and select the COM port of your PC that you have connected the cable to.
> If everything is right, select Comm Port -> Port Open. After a while, communication with the 3801 should be established, and the main form should begin to periodically update every few seconds.
> Shoot me a PM if you don't have the manual.
> 
> Btw. I've now installed Ulrich's superb Z38XX that is much more versatile than the basic SatStat.
> 
> Adrian
> 
> 
> 
> Robert Benward schrieb:
>> Adrian,
>> I thought that was for the Satstat, is the 3801 auto sensing?  Don't you need to send a command?
>> 
>> Bob
>> 
>> ----- Original Message ----- From: "Adrian" <rfnuts at arcor.de>
>> To: "Discussion of precise time and frequency measurement" <time-nuts at febo.com>
>> Sent: Monday, June 14, 2010 5:29 AM
>> Subject: Re: [time-nuts] My stubborn Z3801A
>> 
>> 
>>> It's in the same menu where you start / stop communication, just below the 'Port Open' command.
>>> 
>>> CommPort > Settings > Baud Rate
>>> 
>>> Adrian
>>> 
>>> Robert Benward schrieb:
>>>> The minimum voltage is +/-3 volts, I'm getting about +/-6 right now.
>>>> 
>>>> How does one change the serial port speed, I don't see anything in SatStat.
>>>> Bob
>>>> 
>>>> 
>>>> ----- Original Message ----- From: "John Miles" <jmiles at pop.net>
>>>> To: "Discussion of precise time and frequency measurement" <time-nuts at febo.com>
>>>> Sent: Sunday, June 13, 2010 8:21 PM
>>>> Subject: Re: [time-nuts] My stubborn Z3801A
>>>> 
>>>> 
>>>>> 
>>>>>> Still to go:  The RS-232 signals look fine going into the cable,
>>>>>> +/-5V, any
>>>>>> ideas why the computer won't read it?  Am I missing something?  I
>>>>>> tried two
>>>>>> different ports in case I screwed one up one of the ports, but no luck.
>>>>> 
>>>>> Haven't been following the thread so someone may have suggested this before,
>>>>> but: try another computer, a shorter cable, or perhaps a slower baud rate.
>>>>> 5 volts is near the bottom of the range for RS232 (the signalling levels are
>>>>> supposed to be closer to +/- 15V, or at least +/- 12V).
>>>>> 
>>>>> Some RS-232 gear is happy with 5V but it isn't optimal in all cases.  The
>>>>> problem you mention is more likely to be either a physical or protocol-level
>>>>> mismatch than a real hardware fault.
>>>>> 
>>>>> -- john, KE5FX
>>>>> 
>>>>> 
>>>>> _______________________________________________
>>>>> time-nuts mailing list -- time-nuts at febo.com
>>>>> To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
>>>>> and follow the instructions there.
>>>> 
>>>> _______________________________________________
>>>> time-nuts mailing list -- time-nuts at febo.com
>>>> To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
>>>> and follow the instructions there.
>>>> 
>>> 
>>> 
>>> _______________________________________________
>>> time-nuts mailing list -- time-nuts at febo.com
>>> To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
>>> and follow the instructions there.
>> 
>> _______________________________________________
>> time-nuts mailing list -- time-nuts at febo.com
>> To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
>> and follow the instructions there.
>> 
> 
> 
> _______________________________________________
> time-nuts mailing list -- time-nuts at febo.com
> To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
> and follow the instructions there.
> 




More information about the time-nuts mailing list