GV-COM
GV-COM adds 1 RS-232/RS-485 serial ports through your computer's USB port.
The plug and play USB solution for serial port extension is perfect for mobile
instrumentation and POS applications.
Connecting Output Devices
2006.01
The following diagrams illustrate how to connect the GV-COM to the POS system
and RS-485 devices.
1
2
Installation Guide x1
Installation CD x 1
GV-COM Box x 1
Packing List
GeoVision GV-COM
RXD TXD PWR
RS-232
USB
RS-485 +
RS-485 -
A to B USB Cable (1.2 meters) x 1
5
3
DB9 RS-232 Cable (1.8 meters) x 1
Dimensions
Communication
Parameters
Data Bit
Parity
Stop Bit
Flow Control
Speed
7, 8
None, Even, Odd
1 (default), 2
RTS/CTS, XON/XOFF
600 bps to 115,200 bps
Environmental
Conditions
Operation Temperature
Humidity
0~55 Degree C
5%~95% (Non-Condensing)
USB
Compliance
Speed
USB 2.0 Backward Compatible
USB 1.1, 1.0
Full speed 12 Mbps
103 (W) x 32 (H) x 64 (D) mm
Specifications
Serial Interface
Connecter: DB9 Male
Signal: DCD, RxD, TxD, DTR, GND, DSR,
RTS, CTS
Signal: D+, D-
Connector: Terminal Block
RS-232
RS-485
Serial Line Protection
16 KV ESD for All Signals
PTZ Dome 1
PTZ Dome 2
PTZ Dome 16
USB
GV-System
GeoVision GV-COM
6
For connection, you can only choose RS-232 or RS485.
Note:
1. POS system:
POS System
RS-232
USB
RS-232
or RS-485
GV-Data Capture
GV-COM
GV-System
2. RS-485 devices:
USB
GV-System
GeoVision GV-COM
GV-IO Module
GeoVision GV-IO
DI 1
GND
DI 3
DI 2
GND
DI 4
GND
GND
DI 5
GND
DI 7
DI 6
GND
DI 8
GND
GND
RS-485-
RS-485+
DO 1-1
DO 2-1
DO 3-1
DO 4-1
DO 5-1
DO 6-1
DO 7-1
DO 8-1
DO 1-2
DO 2-2
DO 3-2
DO 4-2
DO 5-2
DO 6-2
DO 7-2
DO 8-2
4
Terminal Resistor x 1