Features and Functions: Certified: Microsoft WHQL approved Compatible with Apple Sandbox applications High Speed: Supports 230 Kbps - twice the speed of a built in serial port Detachable Cable: Use adapter with any USB cable (up to 5 meters long) LED: Shows adapter status and data activity Plug & Play: Appears as standard COM port Mobile: Easy to carry - weighs just 2 oz. Bus Powered: No external power adapter required Analytic Tools: Includes Windows line monitor and data trace software Field Upgrade: Easy to update over time with free software downloads Easy Expansion: Supports use of multiple adapters on one PC Description: Looking for a way to connect your serial devices to a USB port on your PC? The Keyspan "High Speed" USB Serial Adapter is a simple, inexpensive, and reliable way to make this connection.The Adapter is ideal for use with modems, digital cameras, ISDN terminal adapters, graphics tablets, PDAs, bar code scanners, label printers and other serial devices which require an RS-232 connection.This "High Speed" USB Serial Adapter supports data rates up to 230 Kbps---twice the speed of a standard PC serial port. It is 100% USB compliant and features simple "Plug and Play" installation (no IRQs). Ideal for laptops (it weighs just 2 oz.), the Adapter draws its power from the USB connection so no power adapter is required.