Samsung Techwin SCP-2270H, User Manual

Page: 18 / 96

18_ connection & installation
CAMERA WIRING INTERFACE BOARD
For the camera wiring, please refer to the picture below.
(When using coaxial communication, a separate control signal connection is not required.)
• RS485 Communications
• RS422 Communications
Camera
Camera
RX+
RX-
RX+
RX-
TX+
TX-
TXD+
TXD-
TXD+
TXD-
RXD+
RXD-
Controller
or DVR
Controller
or DVR
Control Signal Connection
The maximum power capacity of the built-in relay is 30VDC/2A, 125VAC/0.5A, and 250VAC/0.25A.
Connecting the power connector and GND incorrectly to the NC/NO and COM ports may cause a short circuit and fi re,
damaging the camera.
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IN5
IN6
IN7
IN8
GND
2.COM
2.NO
2.NC
2.COM
2.NO
2.NC
1.NC
1.NO
1.COM
GND
IN4
IN3
IN4
Communications and AUX
Refer to the below Control
Signal Connection chart
Power Supply
AC24V 2.5A
Alarm
Alarm Output 1
Alarm Input
1~4
Power Input
AUX Output
Ground
Alarm Input
5~8
Alarm Output 2
connection & installation