Conventional Systems Technical Manual - Alcad

230V~ ±10%50-60HzDC OUT : 15V0.2 A965 SERIESMODULATORPOSSIBILITY OF SEEING THE SIGNAL FROM THE VIDEO UNIT (COAXIAL) ONTHE TV IN THE DWELLING: TV DOOR ENTRY SYSTEM INSTALLATIONSWith ALCAD's TV door entry system it is possible, at anymoment, to see the image captured by a video unit with an outputfor coaxial cable on the television set in the dwelling.The system is of particular interest in door entry installations,whether ALCAD's or those of other manufacturers, where it is desiredthat a video unit be installed at the point of entry to the buildingto see visitors without having to install a monitor in each dwelling.The system can be installed either separately or as part of theentrance panel of an electronic door entry installation (ALCAD installationsonly).MODULATORTV HEAD-ENDCOAXIALCOAXIALTELEVISION SETIN THE DWELLINGTelephoneof door entry systemin dwellingSupply powerto the video unit 2COAXIALEntrance panel of ALCADwith video unit for TV door entry systemOPERATION OF THE CONVENTIONAL DOOR ENTRYSYSTEMELECTRONIC DOOR ENTRY SYSTEM INSTALLATIONS (WITHOUT CONFIDENTIALITYFEATURE)There are two operating states: system on standby and system active.SYSTEM ON STANDBY. NO CALLBy default, telephones are active, so that it is possible to open the main door of the buildingand, simply by picking up the receiver, to establish communication with the entrance panel,without first having received a call from the entrance panel.In installations with several points of entry, these functions can be performed in the entrancepanel which is configured as the main panel of the installation.SYSTEM ACTIVEThe system changes from being on standby to being in the active state when a telephone in a dwelling receives a call from theentrance panel.RECEIVING A CALL IN THE DWELLINGWhen a call is made from the entrance panel to a dwelling, the telephone in the dwelling alerts the user by emitting an audiosignal. You will be able to establish communication with the visitor, pick up the receiver and open the street door by pressing theelectric lock button on the telephone.Characteristics:If there is more than one telephone/monitor in the dwelling, all of them receive the call simultaneously. When the receiver of oneof the devices is picked up, communication is established with the visitor.16Call made to dwelling 1 Dwelling 1 Telephone that answer the callDooropening