Dahua DH-IPC-HDBW4421EP-0280B - 1.2 Framework and Dimension

Dahua HD IR Vandal Proof Network Dome Camera Quick Start Guide
2
Please refer to the following sheet 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
1.2 Framework and Dimension
Please refer to the following two figures for dimension information. The unit is mm. See Figure 1-2
Figure 1-2
Port
Port Name
Note
Port 3
Power input port
Connect to DC 12V power, input power.
Port 4
I/O port
Alarm signal input/output (optional, supported by
some product models)
Port 5
Internet access port
Network data in/out and PoE.
Note:
 Some devices do not support PoE.
 Before making crystal head, pull the anti-dust,
waterproof cover through network cable.
Port 6
Audio input port
Input audio signal, receive analog audio signal from
sound pick-up.etc(optional, supported by some
product models)
Port 7
Audio output port
Output audio signal to speakers.etc (optional,
supported by some product models.)