Samsung SCP-3120VH User Manual page 18

Component Names and Functions
Camera Wiring Interface Board
For the camera wiring, please refer to the picture below.
The camera's wiring interface board is fitted to the housing, this is sold separately.
(When using coaxial communication, a separate control signal connection is not required.)
Controller & Auxiliary Signal Connection
No. Name
1 2.COM Alarm Output 2 (Common)
2 2.NO Alarm Output 2 (Normal Open)
3 1.COM Alarm Output 1 (Common)
4 1.NO Alarm Output 1 (Normal Open)
5 1.NC Alarm Output 1 (Normal Close)
6 GND Ground
7 IN1 Alarm Input Sensor Terminal 1
8 IN2 Alarm Input Sensor Terminal 2
Control Signal Connection
· RS485 Communications
Camera
485+
485-
Alarm Video Controller Power Supply
Power, Video & Communication Signal Connection
Usage
* The provided BNC cable's blue line is Video
* Power supply adaptor (AC) has no polarities.
Controller
or DVR
• The maximum power capacity of the built-
R+/RX+
R-/RX-
in relay is 30V DC/2A, 125V AC/0.5A, and
250V AC/0.25A.
• Connecting the power connector and GND
incorrectly to the NC/NO and COM ports
may cause a short circuit and fire,
damaging the camera.
18
SPEED DOME CAMERA
No. Name
1 VIDEO Video Output
2 GND Ground
3 485+ Controller Data Line
4 485- Controller Data Line
5 FG Field Ground
6 AC AC 24V
7 AC AC 24V
Output, while the black line is the Ground.
Notes
User Guide
Usage