GeoVision GV-650, Руководство по установке

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Long-Distance Connection
The supplied Terminal Resistor must be used when the connection distance is greater
than 200 meters.
When one GV-I/O USB Box is connected to another GV-I/O USB Box or more, only insert
the Terminal Resistors in the RS-485 connectors of the first and the last connected GV-
I/O USB Boxes.
Figure 2-32
When one GV-I/O USB Box is connected to one GV-NET/IO Card, only insert the
Terminal Resistor in the GV-I/O USB Box.
Figure 2-33
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