Dahua 6064 Series, Quick Start Manual

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13
Icon Note
1
～
4 ALARM 1 to ALARM 4. The alarm becomes active in low
voltage.
NO1 C1
，
NO2 C2
，
NO3 C3
，
NO4
C4
Four groups of normal open activation output (on/off
button)
GND
1.4.2 Alarm Input Port
Please refer to the following sheet for more information.

Grounding alarm inputs. Normal open or Normal close type)

Please parallel connect COM end and GND end of the alarm detector (Provide external
power to the alarm detector).

Please parallel connect the Ground of the NVR and the ground of the alarm detector.

Please connect the NC port of the alarm sensor to the NVR alarm input(ALARM)

Use the same ground with that of NVR if you use external power to the alarm device.
Figure 1-16
1.4.3 Alarm Output Port

Provide power to peripheral alarm device.

To avoid overloading, please read the following relay parameters sheet carefully.

RS485 A/B cable is for the A/B cable of the PTZ decoder.
Relay Specification
Model:
JRC-27F
Material of the
touch
Silver
Rating
（
Resistance
Load
）
Rated switch capacity 30VDC 2A, 125VAC 1A
Maximum switch power 125VA 160W
Maximum switch voltage 250VAC, 220VDC
Maximum switch currency 1A
Insulation Between touches with same
polarity
1000VAC 1minute