Before You Use the Product
17
ENGLISH
External lighting
control signal
Item
Pin No.
Pin name
Signal direction
Notes
A8
Light_ON/OFF-
Output
Current input
External lighting switch
50V/200mA (max.)
B8
Light_ON/OFF+
Output
Current output
External lighting switch
50V/200mA (max.)
A9
Alarm_-
Output
Current input
Alarm control 50V/
200mA (max.)
B9
Output
Current output
Alarm control 50V/
200mA (max.)
A10
Sensor_-
Input
Current input
GND
B10
Input
Current output
Pull-up to 5V, diode
protected
External sensor
input
Alarm control
signal
Input/
Output
External Device I/O Terminals
External device input terminals
These comprise 2 sensor terminals (positive (+) and negative (–)). The negative terminal is
connected to the camera’s own internal ground and the positive terminal is pulled up to 5 volts
at 10 kohm via a protection diode. Connecting the respective leads to the positive and
negative terminals and then shorting across the terminals (ON) or not (OFF) generates an
interrupt for the internal controller. The power supplies and grounds for connected sensors
and switches should be connected to electrically segregated terminals. When an ON state is
detected, an event occurrence is posted to the host PC.
External device output terminals
These comprise ON and OFF terminals for the alarm and light terminals, with equivalent
terminals in both directions for the respective combinations. The two terminals can be
switched between conductive and resistive states using the internal controller. In addition, an
optical connector is used in the output terminal and is separate from the internal circuits in the
camera.
The load connected to the output terminal should be within the following ratings:
Rated values between output terminals
Max. DC voltage: 50V
Continuous load current: 120 mA
Item Pin No.
Pin name
Signal direction
Notes
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