Product information "74188T1 Door communication interface BM99-TS"
Door communication interface for the integration of a door communication module in the call system. The door communication interface is used as a gateway between a combined loudspeaker/microphone/call push-button unit and the controlling room terminal. The connection of up to 8 active modules (including door intercom module) using the bed databus is possible to a room terminal. Along with an actuator unit, several control functions such as a door opener can be controlled using a control output. Potential length restrictions of supply lines must be observed.