This USB to 9 pin Serial (RS-232) converter allows a computer with a USB port to use any RS-232C serial device via the USB port.  Suitable for digital cameras, modems, POS systems, ISDN terminal adapters etc.  The converter is powered by the USB port.  Transmit, receive and link indicators are provided.. 
• Full compliance with USB specification 1.1(0)
• Over 1Mbps data transfer rate
• Support remote wake-up and power management
• Cable measures 1500mm in length.
• Supports Win 95, 98, 98se, 2000, Me, XP, MAC OS 8.6 or greater. CD included.

Click the link below to download the Windows Vista driver.