The INTIPMONGB, INTIPMONGW, and INTIPMONDBH2 can be configured to trigger the output on the back of the monitor, when the monitor is receiving an incoming call from the door station.
Press and the "Settings" button, after you will be prompted to enter a password, enter "123456". This is the basic settings menu.
Select "Alarm", then "Output" and turn on "Alarm Out".
On the back of the Indoor Monitor, wire the NO and COM to an external relay. This is a low voltage relay. It is recommend to use this to trigger an external relay, then use the external relay to trigger your device.