17
Figure 2-13
Please refer to the following sheet for detailed information.
Name
Pin Introduction
1
~
6
Alarm input 1
~
Alarm input 6
7
Pulse input
8/10
Alarm GND
9
Controllable 12V
11/12
NO/C of alarm output on-off signal
2.8.2
Alarm Input Port
Please refer to the following sheet for more information. See Figure 2-14.
Normal open or Normal close type.
Please parallel connect COM end and COM end of the alarm detector (Provide external
power to the alarm detector).
Please parallel connect the Ground of the DVR and the ground of the alarm detector.
Please connect the NC port of the alarm sensor to the DVR alarm input(ALARM)
Use the same ground with that of DVR if you use external power to the alarm device.
Figure 2-14
2.8.3
Alarm Output Port
Alarm output is on-off signal alarm output (NO). Please use additional power supplying for the
peripheral device.
To avoid overloading, please read the following relay parameters sheet carefully.
Relay Specification