Tripp Lite's USB to serial adapter enables a serial device to be connected to a computer through the USB port. Perfect for a PDA, digital camera, modem or ISDN terminal with a serial port. The adapter upgrades a traditional RS-232 serial port (DB9 male) to USB (a male). 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/hot-swappable allows you to add or remove a device at any time. supports data transfer rates over 230 kbps. 17-in overall length.