2006.01
Installing GV-COM Drivers
When you connect GV-COM to the computer, the Found New Hardware Wizard will
automatically detect the device. Ignore the wizard, and follow these steps to install
the drivers.
1.
Insert the installation CD to your computer.
2.
Run
GvUsb.exe
.
3.
When this warning window appears, click
Continue Anyway
.
The drivers will be installed automatically.
To verify the drivers are installed correctly, go to Device Manager. Expanding the
Ports field, you should see one entry for
Prolific USB-to Serial Bridge
.
Long-Distance Connection
When the two conditions below are met, the supplied Terminal Resistor needs to
be used:
1. Connection distance is greater than 600 meters
2. High-speed baud rate is applied, ex. 115200.
The diagram below illustrates how to use Terminal Resistor on Terminal Block
attached to the RS-485 device:
RS-485+
RS-485-
RS-485+
RS-485-
GV-COM
PTZ, GV-Data Capture, etc.
GeoVision GV-DATA CAPTURE
GeoVision GV-COM
Terminal Resistor