External Alarm In/Out Connection - HIKVISION DS-8004HCI-S User Manual

2.9 External Alarm In/Out Connection

Alarm input description:
Alarm input port (dry contact):
G (GND): Connect the GND of sensor.
1~8: Alarm input, support normal
open/normal close.
0: Reserved.
Alarm output:
1G~4G: 4 relay output.
The alarm input is switch signal，if the alarm input is not switch signal, such as voltage signal,
then please follow the connection method below.
Alarm output connection:
28