Door communication button interface 2-fold door communication system The door communication, 2-gang push-button interface is used to convert a floating switch signal to the Gira door communication bus. The door communication button interface runs two independent inputs for connection to the floating button. The entrances can either for the activation of clutch a switching action (eg light switch switching over in 1289 or 1211 00 00) used or be assigned to a home station. In assigning the button interface to a home station, the two entrances behave differently: Input 1 triggered from a storey. This input is required when connecting to a home station including floor call button is only a two-wire cable is available (eg when retrofitting an existing plant Tuersprech). Input 2 triggered from a door call. This input is required when the automatic door opener of the home station to be triggered through a mechanical switch. The door communication button interface is provided for installation in a switch box behind a conventional switch. The key connection is made over a three-wire about 20 cm long connecting cable. This cable can increase to max. 5 m can be extended. Power supply: 26 V DC 2 V (bus voltage) Dimensions: L x W x H 43 x 28 x 15 mm Temperature range: -5 C to +50 C

Type: 121000
Quantity: 1 unit.