How long can a T3-OEM battery store the date and time without a power source? And T3-TB, T3-LB, T3-BB, T3-nano..?
There’s a supercap on board, it wil keep the clock running for a few days.
Further time keeping notes:
If you have the NTP time sync and internet access set up at Tab2 it will update the time over the 'net.
Or if you prefer you can sync the device to the local PC running T3000.
The controller with the lowest number Panel ID will spread the time out to the rest of the devices in the system, including subnet devices.
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