[ntp:questions] Odd results with Oncore UT+ ref clock

Chris Albertson albertson.chris at gmail.com
Wed Feb 2 22:18:49 UTC 2011


On Wed, Feb 2, 2011 at 12:26 PM, E-Mail Sent to this address will be
added to the BlackLists <Null at blacklist.anitech-systems.invalid>
wrote:
> Mike S wrote:
>> Chris Albertson wrote...
>>> I could have a "plumbing" pproblem as the UT+ is
>>>  3rd floor and the computer is 1st floor with 75
>>>  feet of RS232 over cat-5 between.
>>
>> Has the PPS been converted to RS232, or are you simply
>>  using the TTL level PPS signal?

The PPS signal from the UT+ drives a  TTL hex inverter then goes to a
MAX232 level converter which outputs about plus and minus 8V.    Well
that's the design.  need to verify that "as built" matches design as
obviously something is wrong.





-- 
=====
Chris Albertson
Redondo Beach, California



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