GeoVision GV-COM Manual

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.

Packing List

1
GV-COM Box x 1
2 A to B USB Cable (1.2 meters) x 1
3 DB9 RS-232 Cable (1.8 meters) x 1
GeoVision GV-COM
RS-232
RXD TXD PWR

Specifications

Serial Interface RS-232
RS-485
Serial Line Protection
USB
Compliance
Speed
Parity
Communication
Parameters
Data Bit
Stop Bit
Flow Control
Speed
Operation Temperature
Environmental
Conditions
Humidity
Dimensions 103 (W) x 32 (H) x 64 (D) mm
4
Terminal Resistor x 1
5 Installation CD x 1
6 Installation Guide x1
USB
RS-485 -
RS-485 +
Signal: DCD, RxD, TxD, DTR, GND, DSR,
RTS, CTS
Connecter: DB9 Male
Signal: D+, D-
Connector: Terminal Block
16 KV ESD for All Signals
USB 1.1, 1.0
USB 2.0 Backward Compatible
Full speed 12 Mbps
None, Even, Odd
7, 8
1 (default), 2
RTS/CTS, XON/XOFF
600 bps to 115,200 bps
0~55 Degree C
5%~95% (Non-Condensing)

Connecting Output Devices

The following diagrams illustrate how to connect the GV-COM to the POS system
and RS-485 devices.
Note: For connection, you can only choose RS-232 or RS485.
1. POS system:
RS-232
GV-Data Capture
POS System
2. RS-485 devices:
RS-485-
RS-485+
DI 1
GND
DI 2 DO 1-1
GND DO 2-1
DI 3 DO 3-1
GND DO 4-1
DI 4 DO 5-1
DO 6-1
GND
DO 7-1
DI 5
DO 8-1
GND
DI 6
GND DO 1-2
DI 7 DO 2-2
GND DO 3-2
DO 4-2
DI 8
GND DO 5-2
DO 6-2
DO 7-2
DO 8-2
GeoVision GV-IO
GV-IO Module
PTZ Dome 1
PTZ Dome 2
PTZ Dome 16
RS-232 USB
or RS-485
GV-COM
GV-System
GeoVision GV-COM
USB
GV-System
GeoVision GV-COM
USB
GV-System
2006.01