Samsung SNP-3371TH User Manual - Page 18

Control Signal Connection

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installation & connection Control Signal Connection • RS-485 Communications Camera D+ D- • RS-422 Communications Controller TXD+ TXD- Camera D+ D- TX+ TX- Controller TXD+ TXD- RXD+ RXD- J  The maximum power capacity of the alarm and AUX outputs is 30VDC/2A, 125VAC/0.5A, and 250VAC/0.25A.  When connecting alarm input and output cables, be sure to connect one cable to each terminal respectively.  To connect products over the camera's capacity, please use an additional relay device.  Connecting the power connector and GND incorrectly to the NC/NO and COM ports can cause a short circuit which may lead to fire and damage the camera. 18_ installation & connection

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installation & connection
18_
installation & connection
Control Signal Connection
•
RS-485 Communications
D+
D-
TXD+
TXD-
Camera
Controller
•
RS-422 Communications
D+
D-
TXD+
TXD-
TX+
TX-
RXD+
RXD-
Camera
Controller
J
The maximum power capacity of the alarm and AUX outputs is 30VDC/2A, 125VAC/0.5A, and
250VAC/0.25A.
When connecting alarm input and output cables, be sure to connect one cable to each
terminal respectively.
To connect products over the camera’s capacity, please use an additional relay device.
Connecting the power connector and GND incorrectly to the NC/NO and COM ports can cause
a short circuit which may lead to fire and damage the camera.