Conventional Systems Technical Manual - Alcad

RECEIVING IN THE DWELLING A CALL FROM THE ENTRANCE PANELWhen a call is made from the entrance panel to a dwelling, the telephone in the dwelling alerts the user by emitting an audio signal.You will be able to establish communication with the visitor, pick up the receiver and open the street door by pressing the electriclock button on the telephone. You can put the visitor in communication with another telephone by calling the other telephone and,when communication with it has been established, by replacing the receiver of the telephone.Characteristics:If there is more than one telephone in the dwelling which has been called, all the telephones receive the call simultaneously.Answering any of them will establish communication with the visitor.Call made to dwelling 1 Dwelling 1 Telephone that answer the callDooropeningInstallations with several points of entryIn installations with several points of entry, when a call is received, 30 seconds are allowed to answer the call. Once this periodexpires, the equipment reverts to being on standby.Once the receiver has been picked up, 60 seconds are allowed for conversation (or until the receiver has been replaced). Thesystem warns when the time allowed for conversation has almost expired by emitting a series of beeps, allowing the user the possibilityof extending the conversation time from the dwelling by pressing and releasing the hang-up button on the phone, or, from theentrance panel, by advising the visitor to make another call.The entrance panel of the building from which the call has been made remains active. The panels installed at the other points ofentry are disabled, so that calls to dwellings cannot be made from them. The red light on these panels will blink during the time allowedfor answering and for conversation, thereby informing a visitor than another panel in the building is active.Building 1Point of entry 1Call made to dwelling 1Dwelling 1Telephone that answer the callDooropeningTime limit to answer the call: 30 secondsTime limit for conversation: 60 secondsExtending the time limit for conversation:Building 1Other points of entry23