Door communication Built-in spkeaker [125800] Built-in speaker Gira door stations Features: - Built-in speaker for mounting in letterbox systems, voice compartments, door-side installations or front plates. - Up to eight mechanical bell buttons can be connected to the screw terminals provided. - Signal transmission and power supply of speaker via reverse-polarity-protected and short-circuit-proof 2-wire bus. - Compact size. - Weather-resistant speaker. - High-quality electret microphone. - Alternating current polling of the bell button connections to prevent oxidation on the button contacts. - Securing of connection terminals against incorrect connection. - Up to eight mechanical bell buttons can be connected. - Colour camera for door station can be connected. - Speakerphone function (voice-controlled talk-back with echo and background noise suppression). - Adjustable voice volume. - One-man start-up with easy start-up procedure. - Audible acknowledgement signal when a call button is pressed. Technical data: Power supply: DC 26 V ± 2 V (via 2-wire bus) Connections - 2-wire bus: 2x screw terminals - Additional power supply: 2x screw terminals - Mechanical bell button: 8 x screw terminal - Common earth of bell buttons: 1 x screw terminal - Connection cable: 2 x connector strip - Video: 1 x connector strip Protection type: IP44 Ambient temperature: -25 °C to +70 °C Notes: - This component enables door communication systems with up to 140 audio devices to be set up (e.g. 1 x built-in speaker, 11 x add-on modules for built-in speakers, 136 x surface-mounted home stations). - The video control device is required if the system is extended with a colour camera. - Protection type IP44 only in combination with a suitable front or when installed. Dimensions in mm: W 101 x H 67 x D 27 Make: Gira Order No. 1258 00 Quantity: 0 Stk xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx