To monitor a door, the door unit is installed directly next to it. The door unit builds up a self-adjusting spherical field. If a wristband transmitter comes into this fiedl, the alarm can be reported in the following ways:
Call display in the FACI call system.
Message on the alarm transmitter (FD4661).
Message via potential-free contact in foreign call systems.
Message via potential-free contact on telephone systems.
With additional components: on DECT via ESPA 4.4.4 / GSM.
The call is acknowledged via the green button on the door unit. Additional cancel or bypass buttons can be activated. If larger doors, gate entrances, etc. are to be secured, several door units are installed and these are then networked with one another. A magnetic contact on the door to be secured can also be used to specify that the field is only activated when the door is open.
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