GeoVision GV-NET/IO Card v3.1 User manual

May 26, 2011 1
GV-NET/IO Card V3.1
The GV-NET/IO Card is a RS-485 / RS-232 interface converter, and provides 4 inputs and 4
relay outputs as well. It supports both DC and AC output voltages.
Key Features
•A USB port is provided for PC connection, and it is used with 30 DC output voltages.
•It can switch between two modes, NET/IO Card Mode and I/O Box Mode, which expand
its capability.
•Up to 4 GV-NET/IO Cards can be chained together when it is on the I/O Box Mode.
•It can act as an independent device when it is on the I/O Box Mode.
Packing List
1. GV-NET/IO Card x 1
2. 20-Pin Ribbon Cable with 4 Connectors x1
3. RJ-11 to DB9 Cable x 1
4. RJ-11 to USB Cable x 1
5. 3-Pin Internal USB Cable x 1
6. 4-Pin to 4-Pin Mini Power Cable x 1
7. Installation Guide x 1
May 26, 20112
Overview
GV Video Capture Card
RS-485 +
RS-485 -
Relay Out 1
Relay Out 2
Relay Out 3
Relay Out 4
Com
Input 1
Input 2
Input 3
Input 4
Ground
4-pin to 4-pin Mini
Power Cable
4
GV-NET I/O Card
1
ON
20-pin
Ribbon Cable
6
1ON
1 2
ON
1
ON
GV-NET/IO Card connections
Note:
1. The supplied RJ-11 to DB9 Cable of older versions is not compatible with the GV-NET/IO
Card V3.1.
Version 3.1
With a PC Mark Older Versions
Without a PC Mark
PC
2. When the GV-NET/IO Card V3.1 is in the I/O Box mode, it is incompatible with the GV-IO 12-
In Card of versions earlier than V3.
3. To prevent the noise interference in I/O operation, tightly screw the GV-NET/IO Card V3.1 to
the PC case.

May 26, 2011 3
4. Ensure to connect the GV-NET/IO Card to the 20-pin GV-NET/IO port on the GV-Combo A
Card as illustrated below. The wrong connection may lead to the GV-NET/IO Card or the GV-
Combo A Card to be damaged, causing Video Lost or an error message of “can’t find keypro”
to pop up.
O
N
1
O
N
1 2
O
N1
O
N
1
GV-NET/ IO Card
20- Pin Ribbon
Cable
the Debug Port
GV- Combo A Card
the GV-NET/ IO
Port
May 26, 20114
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)

May 26, 2011 5
2. You can connect a RJ-11 to USB Cable to the PC's USB Port when a RS-485 device is
connected. (Allowed for AC/DC Output Voltage)
RJ-11toUSBCable
4
1
O
N
1 2
O
N
1
O
N
With 2-pin header
PTZ Dome
RS-485+
RS-485-
GV Video Capture Card
Connects to PC's USB Port
3. You can connect a 3-Pin Internal USB Cable to the USB Connectors on the PC's
Motherboard when a RS-485 device is connected. (Allowed for AC/DC Output
Voltage)
Note: It is required to install the USB driver. For details, see Installing USB Driver later in
the Installation Guide.
Note: It is required to install the USB driver. For details, see Installing USB Drive later in the
Installation Guide.
May 26, 20116
Connections In I/O Box Mode
For the connections in the I/O Box Mode, please follow the instructions below:
•It is not necessary to connect the GV-NET/IO Card to GV-Video Capture Card.
•Connect the GV-NET/IO Card to the PC by one of the following three ways.
Three Ways of Connections of GV-NET/IO Card and PC:
1. You can connect a RJ-11 to DB9 Cable to the PC's COM Port. (Allowed for AC/DC
Output Voltage)
2. You can connect a RJ-11 to USB Cable to the PC's USB Port. (Allowed for DC Output
Voltage only)
Note: It is required to install the USB driver. For details, see Installing USB Driver later in the
Installation Guide.

May 26, 2011 7
3. You can connect a 3-Pin Internal USB Cable to the USB Connectors on the PC's
Motherboard. (Allowed for DC Output Voltage only)
1
O
N
1 2
O
N
1
O
N
GV Video Capture Card
3-pin Internal
USB Cable
VCC
DM
DP
GND
(white)
(green)
(black)
RS-485+
RS-485-
Chaining together with
GV-NET/IO Card V3.1 /
GV-IO USB Box
Without
2-pin header
Connects to the USB Connectors on
the PC's motherboard
5
DM (D-)
DP (D+)
GND
(white)
(green)
(black)
Switching Modes
The GV-NET/IO Card provides two modes for users to expand its capability: I/O Box Mode
and NET/IO Card Mode. With a mode-switch jumper to insert on the 2-pin header, you can
switch between modes.
•NET/IO Card Mode (default): With the switch jumper inserted, this default mode acts as
a GV-NET/IO Card. It is required to connect the GV-NET/IO Card to the GV-Video
Capture Card for usage.
•I/O Box Mode: Without the switch jumper inserted, the GV-NET/IO Card can work as an
independent device. It is NOT necessary to connect to the GV-Video Capture Card for
usage.
Note: It is required to install the USB driver. For details, see Installing USB Driver later in the
Installation Guide.
May 26, 20118
Extended Connections
Via the RS-485 connectors, up to 4 GV-NET/IO Cards can be chained together when the GV-
NET/IO Card is on the I/O Box mode. For extended connections, the address assignment is
shown below.
12
ON
12
ON
OFF/OFF Address 1
12
ON
OFF/ON Address 2
ON/OFF
12
ON
ON/ON
Address 3
Address 4
(default)
Address AssignmentAddress Switch
1ON
1 2
ON
1
ON
Note: When the GV-NET/IO Card is set to the I/O Box Mode, it can have extended
connections with GV-I/O Boxes.
DIP Switch

May 26, 2011 9
Installing USB Driver
To use the USB function, it is required to install the driver on the PC. Follow these steps to
install the driver:
1. Insert the software CD. It will run automatically and pop up a window.
2. Select Install or Remove GeoVision GV-Series Driver, and then click Install
GeoVision USB Devices Driver. This dialog box appears.
3. Click Install to install the drivers. When the installation is complete, this message will
appear: Install done!
4. Click Exit to close the dialog box.
5. 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.
May 26, 201110
Specifications
32-bit Windows XP / Vista / 7 / Server 2008
OS Supported 64-bit Windows 7 / Server 2008
Input 4
Input Input Signal Dry Contact, Wet Contact 9~30V AC/DC
Relay Output 4
Relay Status Normal Open
USB Connection 30V DC, 3A
Output
Relay
Capacitance RS-232 Connection 125 / 250V AC, 3A
30V DC, 3A
RJ-11 to DB9
RJ-11 to USB
Interface
3-Pin Internal USB to Internal USB
I/O Box Mode Without GV-Video Capture Card
Mode Switch NET/IO Card Mode With GV-Video Capture Card
Address 1~4
Communication RS-485, USB, RS-232
Environmental
Condition 0~50 Degree C / 32~122 Degree F 5%~95% (Non-Condensing)
Compatible Model All GV-Video Capture Card Models
Dimensions (W x H) 99 x 90 mm / 3.90 x 3.54 in
Ordering Information
55-IOCRD-310