Notice SecurAccess PMR 444.5. Dry contactThis feature can be used to drive a video recording system, a light, an alarm, etc.It provides a dry NC contact when the unit is off-hook.4.6. Exit buttonThe Exit button feature can be used to activate a door latch electrical relay or a doubleSecurity door latch electrical relay through is NC driving contact.WARNING: If switch activation exit button is ON, door latch contact COM/NO/NC (see 12.10) mustnot be used. The door latch must be connected with red terminal (NO) provided for this purpose. (seediagram below).This feature requires an external power supply (included in package) (page 28) TRT3 24V DC/AC 1A(LPS) double insulation (sold by Depaepe SAS) as well as the dedicated switch activation (seediagram below).A switch allows the choice of the door latch activation with exit button duration (2,4,6,8,10 or 20seconds), all the dipswitch levers are OFF, the delay time will be 20 seconds).PowersupplyVideoTRT3 (TNV-3) access : dry contactclosed when off-hook. Up to 50Volts DC/AC 50 Hz 100 mA