3
STATUS
Indicator Light
Camera working status
indictor light.
System boot up-
red light is on
System upgrades-
red light flashes
System resets-red
light flashes.
C
1-channel alarm
output port
Alarm output port. To
output alarm signal to
the alarm device.
C: Alarm output
public end.
N: Normal open
alarm output end.
N
G
GND
Alarm input ground
end.
1
Alarm input port 1
Alarm input port 1.
Receive on-off signal
from the external alarm
source.
2
Alarm input port 2
Alarm input port 2.
Receive on-off signal
from the external alarm
source.
A
RS485 port
RS485_A port, control
peripheral device and
etc.
B
RS485_B port, control
peripheral device and
etc.
R
RS232 port
RS232_RX
，
RS232
receive end.
T
RS232_TX
，
RS232