Samsung SNB-8000 User Manual page 41

connecting an external rS-485 device (SnB-8000)
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
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failure, connect the GND pin as appropriate to correct the GND level between camera and external device.
connecting to the i/o port box (Snv-8080)
Connect the Alarm I/O cable to the corresponding port of the inner port box.
Sensor Alarm
(Warning lamp)
• ALARM OUT : Used to connect the alarm output signal.
• ALARM IN : Used to connect the alarm input sensor or external day/night sensor.
• GND : Common terminal to connect alarm signals.
English _41