Geovision GV-HUB adds an additional 4 RS-232 and RS-485 serial ports to a geovision surveillance system through the PC's USB port.  The Geovision GV-HUB is an excellent solution for serial port extension issues and is perfect for mobile instrumnetation and POS applications.

Product Details:

• Serial Interface RS-232 Signals: DCD,RxD,Txd,DTR,GND,RTS,CTS
• Serial Interface RS-232 Connector: DB9 Male x 4 (A,B,C,D) 
• Serial Interface RS-485 Signal: D+, D-, GND
• Serial Interface RS-485 Connector: Terminal Block x 4 (A,B,C,D) 
• 16 KV ESD for all Signals
• USB Compliance: USB 1.1, 1.0 & USB 2.0 Backward compatible
• USB Speed: Full speed 12Mbps
• Comm. Parameters Parity: None, Even, Odd
• Comm. Parameters Data Bit: 7, 8
• Comm. Parameters Stop Bit: 1 (default), 2
• Comm. Parameters Flow control: RTS/CTS, Xon/Xoff
• Comm. Parameters Speed: 600bps to 115,200bps
• Enviromental Conditions Operating Temp: 0°C~55°C
• Enviromental Conditions Humidity: 5%~95% (Non-Condensing)
• 103 (w) x 30 (H) x 125 (D) mm