Dave, Thanks for the quick response! The portion that deals with "health monitor detects and reacts to different possible error and non-error events" is a valid area for me to look at and be concerned with. (The 5071A's that I deal with are used to feed a Disciplines Frequency standard (DFS), and configured in a Primary/Standby mode, So taking one down during a training session, while I'm onsite, isn't that big of a deal.)
In some of the few firmware versions paperwork I've been able to look at, it also reduces the false error/death reports. For example Firmware revision:433 "This revision improves immunity to changes in the Ion pump current that could cause interruption of operation." The prevention of, or reduction of, "interruption of operation" could be considered a valid reason to perform this firmware upgrade. I've have paper work from a cesium that was sent to the manufacture for a "overhaul and Calibration", and came back with firmware version X.3249! I do agree that just a name change is not a valid reason to change out anything. (Except maybe a marriage license!) Raimond -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Dave Carlson Subject: Re: [time-nuts] 5071 Firmware info Raimond, None of the FW upgrades have any effect on the stability or accuracy of the 5071A. So you're correct. However each revision has had some minor change in the way the health monitor detects and reacts to different possible error and non-error events. Each new CBT that is shipped out has a set of the latest ROMS included as an encouragement to upgrade at that time. The most recent FW change was simply to remove "Agilent" and insert "Symmetricom" into the ID string. Certainly no reason to interrupt a working primary standard just for the upgrade. Dave Carlson ----- Original Message ----- From: "RMelkers" <[EMAIL PROTECTED]> Sent: October 20, 2005 1:56 PM Subject: [time-nuts] 5071 Firmware info Has there been any luck in finding out what each firmware revision on the 5071A accomplished? Of the 41 that I personally deal with, most have quite an old firmware installed. I have been pursuing this information for quite some time, with no luck. Without this information, I do not see a reason to upgrade any firmware in these Cesium clocks, Nor could I really recommend doing this in the future. (Why take a pill, if you don't know what it's for?") Raimond Melkers _______________________________________________ time-nuts mailing list [email protected] https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
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