The USRobotics USB-to-Serial Cable allows you to use a puter's USB portto connect to the serial port of a modem or other RS232 device. This easy to install six foot cable uses no IRQs so you can use multiple serial devices without IRQ conflicts.Primary InformationCable Type : USB-to-Serial Cable Features : Over 1Mbps transfer rate Dimensions&MiscellaneousLength : 6 feet ConnectionLeft Connector Gender : Male Right Connector Gender : N/A Left Connector Type : 4 pin USB Type A Right Connector Type : N/A Service&SupportService & Support Type : 2-year limited manufacturer warranty from date of purchase UNSPSC CodeUNSPSC Code : 26121620