22
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
2.4.2
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 2-18
2.4.3
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.
2.4.4
Alarm Relay Specifications
Model:
JRC-27F
Material of the
contact
Silver
Rating value
(Resistance
load
）
Contact load
30V DC 1A
，
125V AC 0.5A
Maximum switch power
62.5VA/30W
Maximum switch voltage
125V AC
，
60V DC
Maximum switch current
2A
Insulation
Between loop and the contact 1000V AC 1 minue
Between breaking contact
400V AC 1 minue
Summary of Contents for NVR608-32-4KS2
Page 1: ...I Network Video Recorder User s Manual V6 0 0 ZHEJIANG DAHUA VISION TECHNOLOGY CO LTD...
Page 121: ...105 Figure 3 92 Figure 3 93...
Page 144: ...128 Figure 3 111 Figure 3 112 Figure 3 113...
Page 157: ...141 Figure 3 126 Figure 3 127...
Page 159: ...143 Figure 3 129 Click draw button to draw the zone See Figure 3 130 Figure 3 130...
Page 162: ...146 Figure 3 133 Click Draw button to draw a zone See Figure 3 134 Figure 3 134...
Page 167: ...151 Figure 3 139 Click draw button to draw the zone See Figure 3 140...
Page 185: ...169 Figure 3 157 Figure 3 158...
Page 186: ...170 Figure 3 159 Figure 3 160...
Page 189: ...173 Figure 3 164 Figure 3 165...
Page 224: ...208 Figure 3 199...
Page 311: ...295 Figure 4 56 Figure 4 57...
Page 317: ...301 Figure 4 62 Figure 4 63...
Page 318: ...302 Figure 4 64 Figure 4 65...
Page 343: ...327 Figure 4 101 Figure 4 102...
Page 352: ...336 Figure 4 115 Figure 4 116...
Page 372: ...356 Figure 4 144 Note For admin you can change the email information See Figure 4 145...
