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Dahua HD Pinhole Network Camera Quick Start Guide
2
Table 1-1 Description of Port Function
SN
Port
Port Name
Connector
Function Note
1
AUDIO
OUT
Audio output
port
RCA
Output audio signal to the speakers and other
devices.
2
AUDIO IN
Audio input
port
RCA
Input audio signal, receive analog audio signal
from pickup and other devices.
3
Micro SD
Card
Micro SD
Micro SD
Card slot
Micro SD card storage
4
SENSOR
Sensor port
Sensor
board
Connect front end Sensor board, get image
data.
5
LAN
Network port
Ethernet
port
Connect standard Ethernet cable
6
DC12V
Power input
port
-
Power port, input DC12 V or POE power
supply.
7
I/O
I/O port
-
Connect I/O port.
8
Reset
Button
Reset
-
It is used to restore factory default settings
for the device.
Note:
Continuously press the button for over 5
seconds in the situation where the device is
working normally, then the system
configuration info can be restored to factory
default settings.
Please refer to table 1-2 for more details about I/O port.
Table 1-2 Description of I/O Port
Port Name
Cable Port name
Function Note
I/O port
G
GND
TX
232 sending port.
RX
232 receiving port.
IN1
Alarm input port1receive on-off signal from
external alarm source.
IN2
Alarm input port 2receive on-off signal from
external alarm source.
G
GND
N1
Alarm output port1
C1
N2
Alarm output port2
C2
7


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