[. . . ] [. . . ] It uses no IRQs, so you can use multiple serial devices without IRQ conflicts. Easily connect your computer's USB port to a modem or other serial device Specifications & Standards · · · · · · · 6 ft USB to DB25 serial port converter cable Fully complies with USB specification Ver. 1. 1 Supports automatic handshake mode Supports remote wake-up and power management Over 1Mbps transfer rate No need to install an add-on card, no IRQ conflicts Bus power support -- no external power supply is required Package Contents · USRobotics USR995700 USB-to-Serial Cable · Quick Installation Guide · Drivers on CD-ROM Warranty · 2-year limited manufacturer warranty from date of purchase System Requirements · Works with Windows 95 OSR2. 1/98/Me/2000/2003/XP/Vista 32 bit/Win 7 32 bit ** ** Additional Drivers may be need to be obtained from www. usr. com IC Approved Apprové par IC RoHS 2002/95/EC [. . . ] [. . . ]