Conventional Systems Technical Manual - Alcad

84 mmCod. 9600012TES-002ELECTRONIC TELEPHONE WITH CONFIDENTIALITY FEATURE, 2 PUSHBUTTONS224 mm12The lock-release button (1) is located on one side of the phone, allowing you to open the entry door withouthaving to pick up the receiver. There is also a potential-free auxiliary pushbutton (2), which can be used foradditional functions (e.g. opening a second door).The telephone is on standby until it receives a call; when it does so, the audio and door-opening functionsare enabled by the audio unit for a set of period of time.Operating temperature +5 to + 55 °C50.6 mmDescription of terminals and typical voltages depending on the condition of the equipment:Note: The voltages shown here are reference values provided for testing of equipment and are intendedfor use exclusively with ALCAD audio units. Do not use the terminals of the equipment to supply power to additionaldevices without previously consulting the manufacturer.1 , 23 , 24 , 25 , 2Lock releaseTelephone microphoneTelephone loudspeakerElectronic callTERMINALS1 , 2INACTIVE5 VAT REST5 VWORKING0 V12345 24 2524 , 25Auxiliary push-buttonImportant:The terminals 24, 25 are potential-freecontacts.Connection limit: 50 mA - 12 V3 , 24 , 25 , 20 V0 V0 V8 V0 V0 V5.6 - 6.6 VAudio max. 4 VppAudio max. 7.0 VppTone max. 10.5 Vpp14.5 VAuxiliary pushbutton. State of the contactsSTATE OF THE CONTACTSACTIVATIONTERMINALSAT RESTWORKING24, 2537