Dahua H Series Краткое руководство по эксплуатации - Страница 8

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No.

Port Name

LAN

DC 12V or AC

24V

VIDEO

1.2

Connecting Alarm Input/output

Alarm input/output is available on select models.

Step 1

Connect alarm input device to the alarm input end of the I/O port.

Device collects different states of alarm input port when the input signal is idling and being

connected to the ground.

Device collects logic "1" when input signal is connecting to +3V to +5V or idling.



Device collects logic "0" when input signal being connected to the ground.

Step 2

Connect alarm output device to the alarm output end of the I/O port. The alarm output is

relay switch output, which can only connect to NO alarm devices.

The N port and the C port with the same number constitute a switch for alarm output. See

Figure 1-3. The switch is open normally and closes when there is alarm output.

Description



LAN: Connects to network with network cable; provides

power to the device with PoE.

/ OPT



OPT: Connects to OPT devices to connect to the network.

Inputs 12V DC or 24V AC power. Please be sure to supply

power as instructed in the Guide.

Device abnormity or damage could occur if power is not

supplied correctly.

Outputs analog video signal.

Figure 1-2

Alarm input

Figure 1-3

Alarm output

Quick Start Guide