The VSP system is independent of the installations power supply and fulfils the demands for emergency communication between vital positions. The system has a versatile range of light but robust and corrosion-resistant stations for all environments. Some system features: - 12-Way system consisting of up to 12 main stations with selector switch for selective calling between all connected stations - 20-Way (M) system consisting of up to 20 main stations with selector switch for selective calling between all connected stations - Intrinsically safe VSP set for units in hazardous areas Note! For 12-Way only