Audio door speaker module with 4 call buttons for creating audio and video systems in 2-wire technology. Can be expanded with Night & Day wide-angle camera Art. 352400, graphic display Art. 352500, module with induction loop Art. 352700 as well as code lock/keypad Art. 353000 and transponder reader Art. 353200. With adjustment of the volume of the loudspeaker and microphone. For managing up to 100 call buttons via the code lock/keypad module or with 2-row call button modules. With 1-row call button modules, up to 50 call buttons are possible. , The door opener (max. 30 Ohm internal resistance) is connected directly to the , terminals S+ and S- (18 V 4 A surge current - 250 mA holding current). An external door opener button (e.g. postal lock) can be integrated via the PL terminals. An additional power supply unit can be connected to terminals 1 and 2 (e.g. for large systems with several door stations). The device is equipped with several status LEDs that display the following operating states: door open, communication active, call made and system busy. Integrated brightness sensor for automatically switching on the background lighting in the dark. To be completed with the corresponding front panel. The device is configured either with configurators or via PC and TiSferaDesign software., Note: When using the left row of call buttons on the loudspeaker module or the 2-row call button modules, the jumper (J1) must be pulled
| Property | Value |
| Number of bell buttons: | 2 |
| Material of bell buttons: | Plastic |
| Mounting type: | Surface-mounted |
| Colour: | Other |
| Installation technology: | Bus system |
