Geovision GV-Net-IO-Card User Manual
GV-NET Card V3.2
The GV-NET Card is a RS-485 / RS-232 interface converter. This Card connects to the RS232 port or USB port on your computer, and allows RS-485 devices, such as PTZ domes, to
be connected through the Card.
System Requirements
If the GV-NET/IO Card is listed as Prolific USB-to-Serial Comm Port under Windows
Device Manager, GV-System version 8.2 or above is required. If the GV-NET/IO Card is
listed as XR21B1411 USB UART under Windows Device Manager, GV-System version
8.5.7.0 or above is required.
To see how to check the device name under Windows Device Manager, refer to Installing
USB Driver later in this Installation Guide.
Packing List
1. GV-NET Card x 1
2. RJ-11 to DB9 Cable x 1
3. RJ-11 to USB Cable x 1
4. Pin Internal USB Cable x 1
5. Pin to 4-Pin Mini Power Cable x 1
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Overview
1
GV-NET Card
ON
RS-485 +
RS-485 -
Connects to
PC's COM port
or USB port
Connects to the USB
Connectors on t he PC's
motherboard
+-
4-pin to 4-pin
5
Mini PowerCable
GV-Net Card V3.2 Connections
Note: The GV-NET Card only provides RS-485 / RS-232 data conversion; the connection
to the GV-Video Capture Card is not required.
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Connections with Two Video Capture Cards
If your system is equipped with two video capture cards, connect the GV-NET/IO Card to the
video capture card of 1-16 channels.
Connections in NET/IO Card Mode
For the connections in the NET/IO Card Mode, please follow the instructions below:
• It is required to connect the GV-NET/IO Card to GV-Video Capture Card with the 20-Pin
Ribbon Cable.
• If you want to connect the GV-NET/IO Card to RS-485 devices, you have three ways of
connections. See below.
Three Ways of Connections of GV-NET/IO Card and RS-485 Devices:
1. You can connect a RJ-11 to DB9 Cable to the PC's COM Port when a RS-485 device is
connected. (Allowed for AC/DC Output Voltage)
GV Video CaptureCard
O
O
N
N
O
1
1 2
1
PTZ Dome
Connects to PC's COM Port
RJ-11 to DB9 Cable
3
RS-485+
RS-485-
N
With 2-pin header
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