[time-nuts] Lucent KS-24361, HP/Symmetricom Z3809A, Z3810A, Z3811A, Z3812A GPSDO system

Mike Seguin n1jez at burlingtontelecom.net
Sat Nov 1 07:42:30 EDT 2014

Hi Arthur,

Found your original picture/post. TNX!


Would you share what you did for a 5 MHz buffer?


On 10/31/2014 10:20 PM, Arthur Dent wrote:
> Bob Stewart bob at evoria.net
> “…I have both of my units sitting on the bench. I found that I needed to
> connect them together to get the REF1 unit to come out of standby….”
> Bob Camp kb8tq at n1k.org
> “I suspect that somebody will have to figure out what the 15 pin
> connector / jumper is doing. On previous RFTG units there was a
> way to re-wire the crossover interface to fake out the slave detect
> process. That would let you run a single GPS equipped box and have
> it behave correctly. Without the fake wires trick none of them
> played nice without the slave being present….”
> ++++++++++++++++++++++++++++++++++++++
> Reposting what I had posted over a week ago, in case you missed it….
> Arthur Dent golgarfrincham at gmail.com Wed Oct 22 13:59:48 EDT 2014
> “…Way back on Fri Jun 11 16:48:43 UTC 2010 I posted about using one of
> these units I had modified but at the time there wasn't a single person
> who was interested. I have been using the RFTG-u REF1 since then and
> it is a nice unit. The modifications I added (including a power supply
> -see photo) allows the lights to cycle through their normal sequence
> on warm-up and the second unit isn't needed at all….”
> -Arthur
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Mike, N1JEZ
"A closed mouth gathers no feet"

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