[time-nuts] Lucent RFTFm-II-XO

Chris Waldrup kd4pbj at gmail.com
Sat Sep 24 13:34:40 EDT 2016

I also wanted to mention that I can't get the Lucent to communicate at all with the TBoltMon program so that's why I decided to try LadyHeather. 
I do hope I connected the cable pins right, I connected Lucent RS 422 TX pins to the USB to 422 adapters RX pins and the Lucent 422 RX pins to the adapters TX pins. 


> On Sep 14, 2016, at 00:05, Mark Sims <holrum at hotmail.com> wrote:
> Yes.  The device supports a SCPI command set.   The next version of Lady Heather supports it... well at least my modified Z3812A does.
> You probably don't need an RS422 converter.   You can cobble an RS-232 connection into the RS-422 port.  This usually works, but some hardware serial ports have voltage threshold issues reading data from the device (the RS-422 signals don't swing as much as the RS-232 ones do).  All my USB-serial dongles work well, but I have had some issues with genuine hardware serial ports.
> ------------
>> If I build or buy a 422 to 232 converter can I expect to be able to view the unit's data output with something like Lady Heather or Tboltmon? Or at least see an output with Hyperterminal?
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