This microphone can only be used for purposes not related to evacuation / alarm. The microphone is equiped with an interom function which provides two-way communication between all zone microphones.
The microphone has a built-in speaker, stereo jack sockets for headset / audio out, and can be extended with up to five 20-button
It has 4 local audio inputs and 1 audio output which allows for further system extension. Communication with control units takes place via Ethernet 10/100BASE -TX, 1 LAN port.