Dahua F Series Manuel de démarrage rapide - Page 8

Dahua HD IR Bullet Network Camera Quick Start Guide

Alarm input, output connection description

Step 1 Connect alarm input device to the alarm input of I/O port cable.

Step 2 Connect alarm output device to the alarm output of I/O port cable, alarm output

is the relay switch output; the alarm device needs to externally pull up 10K

resistance to +3.3V.

Step 3 Open the WEB, set alarm input and output correspondingly in alarm setup.

Alarm input on the WEB is corresponding to that of the device I/O port cable.

When there is alarm, alarm input device will generate signal of high and low

level. Set corresponding NO and NC inputs.

Step 4 Set alarm output on the WEB, the alarm output is corresponding to the alarm

output end of the device, which is the alarm output port of the I/O port cable.

Please refer to the following figures for alarm input and output information. See Figure

1-4. Alarm input: When the input signal is idle or grounded, the device can collect the

different statuses of the alarm input port. The input signal is connected to 3.3V or is idle;

the device collects the logic "1". When the input signal is grounded, the device collects

the logic "0".

Figure 1-3

Figure 1-4