GeoVision GV-NET Card V3.2 Manual page 3

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)
PTZ Dome
Connects to PC's COM Port
February 10, 2015
RS-485+
RS-485-
3
RJ-11 to DB9 Cable
O O
N N
O
1
1 1 2
N
3
GV Video Capture Card
With 2-pin header