Switch KM300-2 is designed to work in the intercom complexes ELTIS30x, ELTIS500x, having in its composition entrance and floor call units DP300x,500x and provides:
- Establishment of a connection between the entryway call unit and the KMFV4/1-1 combined floor switch in the standby mode or when the subscriber is called by an entryway visitor. The prerequisite for this connection is that there is no call from the floor station.
- Establishment of connection of the floor call box with the KMFV4/1-1-1 switch when a subscriber calls from the floor call box. In this case, the entryway PB is disconnected from KMFV4/1-1 and the floor PB is connected.
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