AY-B9250BT User Guide
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DM0
3.8.1.6.
DM0(Door Monitor 0) is the input port and it is used to detect the signal state of door open.
DM1
3.8.1.7.
DM1(Door Monitor 1) is the input port and it is used to detect the signal state of lock.
DM2
3.8.1.8.
DM2(Door Monitor 2) is the input port and it is used to detect a various of sensor and alarm.
For example, if connecting with fire sensor, it should set 4. FIRE N/O or 5. FIRE N/C and it
may cause fire alarm and icon in case of fire. In case of fire, the door automatically opens for
safety.