Service: what type of backup battery do the older Eclipse Omega / Median processor cards use?

The Eclipse Omega and Median processor cards built before July 2008 use a Varta CR2430 6430-701-501 3V lithium non-rechargeable button battery.  The battery is soldered to the processor card, in order for it to be replaced the processor card must be sent in to a service center to be replaced. 
The Clear-Com part # for this battery is 400035Z.

CPU card will retain data so long as the battery voltage remains above 1.5V.  2.5V


Solution update low battery voltage changed to 2.5V on Feb 2021


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