5
1.8.2 Alarm Input Port
Please refer to the following sheet for more information.
z
Normal open or Normal close type.
z
Please parallel connect COM end and GND end of the alarm detector (Provide external
power to the alarm detector).
z
Please parallel connect the Ground of the NVR and the ground of the alarm detector.
z
Please connect the NC port of the alarm sensor to the NVR alarm input(ALARM)
z
Use the same ground with that of NVR if you use external power to the alarm device.
Figure 1-5
1.8.3 Alarm Output Port
z
Provide external power to external alarm device.
z
To avoid overloading, please read relay parameters sheet in the
User
’
s Manual
carefully.
z
RS485 A/B cable is for the A/B cable of the PTZ decoder.
Содержание Forensic NVR0404FD-S
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