3
TX
RS232 port
Sending end of RS232 serial port
RX
Receiving end of RS232 serial port
B
RS484 port
RS485_B port, control external PTZ etc.
A
RS485_A port, control external PTZ etc.
NA
IR light port
External IR light signal control port.
I1
Alarm input port 1
It is to receive the on-off signal from the external
alarm source.
I2
Alarm input port 2
It is to receive the on-off signal from the external
alarm source.
N1
Alarm output port
Alarm output port, output alarm signal to
alarm device.
N1/N2: Normally open alarm output end.
C1/C2: Alarm output public end.
Note:
N1 can only be used with C1 while N2 can only
be used with C2 when connecting alarm device.
C1
N2
C2
P
Power foldback
output port
It outputs DC 12V power; P connects to positive
pole while G connects to negative pole.
G (adjacent to P)
RESET
RESET button
Restore device factory default setup.
When system is running normally, press the
RESET button for at least 5 seconds, system can
restore factory default setup.
ABF
Auto back focus
adjustment
Auto back focus adjustment, by adjusting Sensor
board position to achieve precise back focus
adjustment.
AF
Auto focus function
The device lens mount is M43 and it supports the
function when installing motorized lens.
It can realize accurate auto focus via one button.
AUDIO OUT
Audio output port
3.5mm JACK port, output audio signal to the
passive device such as earphone and etc.
AUDIO IN1
Audio input port
3.5mm JACK, input audio signal from devices
such as pick-up.
Note:
AUDIO IN2