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2.7 Connecting Sensors to the DVR
Each DVR unit may have up to 4 Sensor inputs. These inputs can be used with devices such as Infrared devices,
motion devise, glass breakage alarms, door and window trips, and many more. The Sensors can be set to Normally
Open or Normally Closed inside the software.
There are 4 Commons (-) and 16 inputs (+). There is no power supplied to the ports so an external power supply must
be used if power becomes necessary.
Sensor Input
• Normally Open or Normally Closed option is available inside the DVR Software.
• There is no power supplied to the ports. Use an external power supply if necessary.
Common
Sensor (1 ~ 4)
Figure 2.6b
KV-KLR4 Shown
4
3
2
1