[time-nuts] Lucent RFTFm-II-XO
kd4pbj at gmail.com
Tue Sep 13 23:44:24 EDT 2016
Regarding the Lucent box- I wanted to let everyone know that once it locked to satellites, I have a 10 MHz out.
The output was a square wave with some ringing, but I built a three element low pass filter and now I have a really nice 10 MHz sine wave.
Thanks to all!
Last question.... I see it has a RS-422 output on one of the connectors. 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?
> On Sep 6, 2016, at 16:42, Bob Camp <kb8tq at n1k.org> wrote:
> One might *think* a redundant system would work fine with the plug yanked.
> In this case …. nope. It needs to have a dummy connector on it to get the device
> running. I agree that this is an “interesting” way to do it. Regardless of that, they
> did the units need the signals from the other box (or fake signals) before they
> will do useful stuff.
>> On Sep 5, 2016, at 10:22 PM, Bill Hawkins <bill.iaxs at pobox.com> wrote:
>> Fake connections? Isn't a redundant system supposed to allow one box to
>> be disconnected?
>> Bill Hawkins
>> -----Original Message-----
>> From: time-nuts [mailto:time-nuts-bounces at febo.com] On Behalf Of Bob
>> Sent: Monday, September 05, 2016 8:20 PM
>> To: Discussion of precise time and frequency measurement
>> Subject: Re: [time-nuts] Lucent RFTFm-II-XO
>> If you only have one box, you need to be sure the "fake" connections on
>> the interconnect are correct. If they are not, you will not get it to
>> operate correctly.
>> There also is a survey process if you have not had it running in your
>> location before. That could take a few hours to a few days depending on
>> your antenna.
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