Door communication add-on mod. built-in speaker [125900] Add-on module for built-in speaker Gira door stations Features: - Installation in a conventional flush-mounted device box. - Fits in the cover frames of the Gira TX_44 switch range. - Modular design, allowing easy installation and expandability. - Signal transmission and supply of the audio and video components via reverse-polarity-protected and short-circuit-proof 2-wire bus. - Up to twelve mechanical bell buttons can be connected. - Additional bell buttons can be connected via additional add-on modules. - Up to eleven add-on modules can be connected to one built-in speaker. - Alternating current polling of the bell button connections to prevent oxidation on the button contacts. - Compact size. - Securing of connection terminals against incorrect connection. - Attachment of the add-on module with screws or gluing. Technical data: Power supply: via connection cable Connecting the connection cable: 2 x connector strip Protection class: IP44 Connections - Mech. Bell button: 12 x screw terminal - Common earth of bell buttons: 1 x screw terminal - Connection cable: 2 x connector strip Protection class: IP44 Ambient temperature: -25 °C to +70 °C Notes: - Module for extension of the built-in speaker when more than eight mechanical bell buttons are to be connected. - 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). - Protection type IP44 only in combination with a suitable front or when installed. Scope of supply: - The mounting materials are included in the scope of supply. Dimensions in mm: incl. fixing lug: B 67 x H 66,4 x T 27 without fixing lug: B 67 x H 56 x T 27 Make: Gira Order No. 1259 00 Quantity: 0 Stk xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx