Cables Unlimited USB-2920 USB2.0 to RS232 Serial Adapter (Black)
This adapter is the easiest way to add a serial port to your computer. Many PDAs, digital cameras, GPS units, barcode scanners, and other equipment require a serial connection and many newer computers don't have serial ports. This fully plug and play adapter is perfect for people with the latest high performance USB only computers. Includes a 32" long USB extension Cable