installation & connection
14_
installation & connection
Connecting to the RS-422/485 device
Connect the external device to the [
D+, D-
] ports.
You can connect and control PTZ camera that supports RS-422/485 communication.
Port
Description
Port
Description
TX+
RS-422 TX Data line
This is not available in RS-485 mode.
D+
RS-422 RX Data line or RS-485 Data line
TX–
D-
Control Signal Connection
•
RS-485 Communications
D+
D-
D+
D-
Video
Encoder
Camera
•
RS-422 Communications
D+
D-
TXD+
TXD-
TX+
TX-
RXD+
RXD-
Video
Encoder
Camera
Depending on camera’s type, connection polarity can be different.
For further information, refer to the corresponding PTZ Camera’s documentation.