It's possible that the Heol Design Trimble III replacement cards (N014 & N024) 
will correct the 1995 issue. They are sending my company a couple now for us to 
test in a trusted time infrastructure which includes 2 TS2100's. Unfortunately 
they were not able to get a straight answer from Trimble so experimenting seems 
to be the only way to find out. 


Senr from my Verizon Wireless 4G LTE smartphone

-------- Original message --------
From: Andrew Cooper <[email protected]> 
Date: 05/06/2015  15:58  (GMT-05:00) 
To: [email protected] 
Subject: [time-nuts] Microsemi versus Spetracom 

So, yes, our old TS2100's suffered the 1995 bug over the weekend like all of 
the others in the world.  Kludged into working for the moment using 1PPS and 
two units.

I do need to buy a couple replacements, good time is critical around an 
observatory, looking at a $16K purchase order.  We have quoted both the 
SecureSync from SpectraCom and the S350 from Microsemi, both fully spec'd out 
with IRIG and IEEE1588.

I am not really a time expert, just an everyday electrical engineer.  Thrust 
into the problem three days ago.  I have learned a bit reading through the Time 
Nuts archive... Thanks!

Anything I should be aware of with these units.  Any opinions on this purchase?

Thanks for your advice,
Andrew

Andrew Cooper
Electrical Engineer
W. M. Keck Observatory
808-881-3862
mailto:[email protected]

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