Dahua IPC-HFW4431D-AS, Quick Start Manual, Page: 7 / 15

Dahua HD IR Waterproof Fixed Network Camera Quick Start Guide
2
SN Port Port Name Connector Note
5 I/O I/O port - Alarm signal input/output
Port
Name
Port SN
Port
Connector
Name
Note
I/O Port
1 ALARM_IN1
Alarm input port. It is to receive the on-off
signal from the external alarm source.
2 ALARM_OUT1
Alarm output port. It is to output the alarm
signal to the alarm device.
3 ALARM_GND Ground port
Note:
For the entry-level models, there is only power port and LAN port.
1.2 Framework and Dimension
Please refer to the following figure for dimension information. The unit is mm. See Figure 1-2 and
Figure 1-3.
Figure 1-2 Dimension illustration 1
Note:
For the entry-level models, the height of device is 83.7mm.