[time-nuts] FE-5680A pin 6?
Nick Sayer
nsayer at kfu.com
Fri Sep 11 13:07:30 UTC 2015
That makes sense. Thanks! That’ll help when it comes time to attempt to calibrate it. In this case, I doubt the seller speaks enough English to ask. But I can look at all of the pinout variations to find one with a TX pin on that wire.
> On Sep 11, 2015, at 3:59 AM, Bob Camp <kb8tq at n1k.org> wrote:
>
> Hi
>
> There are far more unique pinouts for the 5680 than anybody can keep track of. Three also is very little that ties the markings on the unit to a specific pinout. If you are getting -5V, my guess is that you have an RS-232 output on that pin.
>
> Normal drill is to go back to the seller and see what they do or don’t know about it.
>
> Bob
>
>
>> On Sep 10, 2015, at 9:06 PM, Nick Sayer via time-nuts <time-nuts at febo.com> wrote:
>>
>> I’ve acquired an eBay 5680. I’ve hooked it up to +15 and +5 and am getting 10 MHz out and the test pin is low. The unit is warm and within any reasonable expectations, it appears to be working properly.
>>
>> What I wonder about is pin 6 on the connector. Google results seem to indicate that that’s supposed to be a PPS output, but what I get on it is a fixed -5v or so. Anybody know what this signal is supposed to be?
>>
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