Alarm Input And Output Port; Alarm Output Port; Alarm Relay Specifications - Dahua NVR6032K User Manual

5-ON C，6-ON C，
7-ON C，8-ON C
A/B

2.3.2 Alarm input and output 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.

2.3.3 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.

2.3.4 Alarm relay specifications

Model:
Material of the
touch
Rating
（Resistance
Load）
Insulation
GND cable.
The A/B cable to control the RS485 devices. It is to connect to
control devices such as PTZ dome camera. 120Ω should be parallel
connected between A, B lines on the far end to reduce reflection and
guarantee the signal quality.
JRC-27F
Silver
Rated switch capacity
Maximum switch power
Maximum switch voltage
Maximum switch currency
Between touches with same
polarity
Between touches with different
polarity
Between touch and winding
Figure 2-5
30VDC 2A, 125VAC 1A
125VA 160W
250VAC, 220VDC
1A
1000VAC 1minute
1000VAC 1minute
1000VAC 1minute
7