Dahua NVR1A-4P Series - Page 205

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Figure 5-61
5.10.3.2 Alarm
Before operation, please make sure you have properly connected alarm devices such as buzzer. The
input mode includes local alarm and network alarm.
5.10.3.2.1 IPC External Alarm
The IPC external alarm interface is shown as in Figure 5-62. Network alarm refers to the alarm signal
from the network.
Figure 5-62