2
Indicator Light
Red light
System boots up-red light is normally on
System upgrades-red light flashes
System resets-green light is off, red light is
normally on.
Green light
Normal working status-green light is normally
on.
Display record status: recording-green light
flashes.
Yellow light
Detect the wireless device-yellow light is
normally on.
IN1
Alarm input port 1
Receive the on-off signal from the external alarm
source.
NO
Alarm output port
Alarm output port. It is to output alarm signal to
the alarm device.
NO: Normally open alarm output end.
C: Alarm output common end.
C
IN2
Alarm input port 2
It is to receive the on-off signal from the external
alarm source.
A
RS485 port
RS485_A port, control external PTZ etc.
B
RS485_B port, control external PTZ etc.
RX
RS232 port
Receiving end of RS232 serial port.
TX
Sending end of RS232 serial port.
G
GND
Ground end of RS232 serial port.
NA
IR light port
External IR light signal control port.
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.
AUDIO OUT
Audio output port
3.5mm JACK port, output audio signal to the
passive device such as earphone and etc.
