Dahua HD IR Vari-focal Dome Network Camera Quick Start Guide
2
Table 1-1
Please refer to Table 1-2 for detailed information about I/O port.
Port
Name
Port Sequence
Port name
Function Description
I/O
Port
1
ALARM_IN1
Alarm input port, receive on-off signal of
external alarm source.
2
ALARM_OUT1
Alarm output port, output alarm signal to
alarm device.
3
ALARM_GND
Connect ground.
Table 1-2
1.2
Framework and Dimension
Note
The following figures are for reference only, which are only used to know the device dimension.
Please refer to Figure 1-2 and Figure 1-3for dimension information. The unit is mm (Inch).
Port
Port Name
Note
1
Power input port
Connect to DC 12V, please be sure to power the
device according to the instruction of device label.
Caution
It may cause damage to the device if it fails to
power the device according to the instruction of
device label
2
I/O port
It includes alarm signal input and output. Please
refer to Table 1-2 for more details.
3
Network port
Connect to standard Ethernet cable, support PoE
power supply function.
Note
Some devices do not support PoE.
4
Audio input port
Input audio signal, receive analog audio signal
from sound pick-up etc.(optional, supported by
some product models)
5
Audio output port
Output audio signal to speakers etc. (optional,
supported by some product models.)
