Buch1 > Using the Configuration Manager > Administration > Firmware update and restart > Management of the Firmware Updates > Power down of the PBX
Power down of the PBX
Proceed as follows:
•Using the Configuration Manager (Administration > Firmware update and restart)
Shutdown
As soon as the Power LED starts to shine red, you have approximately 90 seconds to pull the power plug of the PBX and of accessory equipment—if required—out of the socket.
If the power plug is not pulled out of the socket after this time has run out, the PBX restarts (Restart).