Tripp Lite's USB to serial adapter allows connection of a PDA digital camera modem or ISDN terminal to your computer through a USB port. The adapter upgrades a traditional RS-232 serial port to USB. The unit features a portable design that does not require external power or complicated set-up procedures. A mini CD with drivers is included (Windows 98 & Windows 2000). Plug-and-Play and hot-swappable allows you to add or remove a device at any time. Supports data transfer rates over 230 KBPS.