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1.3
Alarm Connections
1.3.1
Alarm Port
Please refer to the following figure for detailed information about the alarm port.
Figure 1-3
ID
Description
1-16
Alarm Inputs (active low)
Earth ground
CTRL 12V
Control power output. For an external alarm, close the device power to
cancel the alarm.
+12V
External power input. Peripheral equipment must p12V power
(500mA).
NO1/C1 – NO5/C5 Activation Outputs 1-4, normally open (on/off switch)
C5/NC5
Activation Output 5, normally closed (on/off switch)
A/B
485 communication port: controls the PTZ decoder
Note:
When your alarm input device is using external power, make sure the device and the NVR
have the same ground. Also, make sure that there is power to the external alarm device.
NVR7400 Series User Guide
4
Содержание NVR7400 Series
Страница 1: ...ADT NVR7400 Series Network Video Recorder User Guide...
Страница 17: ...2 Getting Started 1 3 4 Network Connections Figure 1 5 NVR7400 Series User Guide 7...
Страница 50: ...Hybrid Standalone NVR User Guide 3 Local Menu Operations NVR7400 Series User Guide 40...
Страница 137: ...Hybrid Standalone NVR User Guide 3 Local Menu Operations Figure 3 90 NVR7400 Series User Guide 127...