Dahua F Series Manuel de démarrage rapide - Page 8

Dahua HD IR Vari-focal Dome Network Camera Quick Start Guide

1.3 Alarm Setup

Note:

It is only supported by some series products.

Alarm input, output description:

Step 1

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

Step 2

Connect alarm output device to the alarm output of I/O cable, alarm output is collector open

circuit output which connects 10K resistor to 3.3V externally.

Step 3

Open the Web, set alarm input and output correspondingly. Alarm input on WEB

corresponds to I/O cable on device. When there is alarm, alarm input device will generate

signal of high and low level. Set corresponding NO and NC inputs.

Step 4

Set the WEB alarm output. The alarm output is for the alarm output port of the device. It is the

alarm output port of the I/O cable.

Please refer to the following figure for alarm input 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. When the input signal is connected to 3.3V or it 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