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I HAVE TO ADD FEW DETECTORS AND MODULES IN A EST3 FIREALARM SYSTEM .

BUT I DONT HAVE SDU BACKUP OF THE SAME.

CAN ANY ONE GIVE ANY IDEA TO GET THE BACKUP FROM PANEL .

If you do not have a copy of the EST3 database anywhere,
You will have to rewrite it, NO way around it.

check other posts for shortcut.