Alarm Input - Dahua N41C1P User Manual

5.10.3 Alarm Input

Procedure
Step 1 Select Main menu > ALARM > Alarm-in Port.
Step 2 Click each tab to configure alarm input settings.
● Local alarm: After connect the alarm device to the NVR alarm input port, the
system performs alarm linkage actions when there is an alarm signal from the
alarm input port to the NVR.
● Alarm box: You can connect the alarm box to the RS-485 port of the Device.
When the alarm is detected by the alarm box, the alarm information will be
uploaded to the Device, and then the Device performs alarm linkage actions.
● Network alarm: NVR performs alarm linkage actions when it receives the alarm
signal via the network transmission.
● IPC external alarm: When the peripheral device connected to the camera has
triggered an alarm, the camera uploads the alarm signal to the NVR via the
network transmission. The system performs the corresponding alarm linkage
actions.
● IPC offline alarm: When the network connection between the NVR and the
network camera is off, the system performs alarm linkage actions.
Figure 5-168 Alarm status
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