ASCOM Ascotel 2025 System Manual page 1026

Disconnect the System from the System Power
As soon as there are no more active connections in the prebarred, the system can
be disconnected from the power supply. If using a UPS, first disconnect the bat-
teries and then pull out the mains plug.
Hazard:
Expansion cards can be damaged by electrical voltage.
Always disconnect the power supply before fitting or removing any
cards!
Fig. 7.9: Warning plate on the PBX
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