Table of Contents
Advertisement
connecting an external rS-485 device
Connect the camera with an external device using the [rS-485 +, -] ports.
You can control the pan/tilt operations of the camera via RS-485 communications.
The GND connection is recommended for RS-485 communications. If you encounter a communication
`
failure, connect the GND pin as appropriate to correct the GND level between camera and external device.
to connect the external sensor
Connect one strand of each signal line (2-strand) of the sensors to the [aLarm in] port,
and connect the other strand to the [GnD] port.
alarm in wiring Diagram
External
connection
Sensor
ALARM IN (5mA SINK)
Inside of the camera
RESISTOR
RESISTOR
MLCC
GND
VCC_3.3V
RESISTOR
DIODE
TRANSISTOR
GND
English _25
Advertisement
Table of Contents
