LevelOne FCS-5042 - Manual (Page 48)

Network Camera User’s Manual
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Warning:
The upgrade firmware procedure cannot be interrupted. If the power
and/or network connection are broken during the procedure, it might possibly
cause serious damage to the Network Camera.
Note: When upgrade firmware please wait for 120~210 seconds, and then you
can connect to Network Camera again. The system will restart and require the
installer program to set up the network again.