UPS power back-up
The systems of higher capacity (Sigma, Optima, Delta IP PBXs and PBX Server Libra) have their own power back-up systems.
UPS light 520 VA
To maintain the 230V power supply in case of power failure in the smaller systems (Prima mini, Prima, Micra) we recommend UPS light 520 VA power back-up offered by ETA company (www.eta.com.pl)
UPS light 520 VA power back-up
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