The ICUSB232DB25 3-foot USB to RS232 Serial Adaptor Cable lets you connect 9-pin (DB9) or 25-pin (DB25) RS232 serial devices to your laptop or desktop computer through a USB port as though the computer offered an onboard serial port A cost-effective solution that bridges the compatibility gap between modern computers and legacy serial peripherals this high quality USBRS232 Serial Adaptor cable is backed by StarTech&39;s 1-year warranty and free lifetime technical support  USB to Straight-Through RS232 Serial Adaptor  Electronics Industries Association (EIA) standard RS-232-C compliant  Includes a DB9 to DB25 pin adaptor for 25-pin RS232 serial communication  Supports serial transfer speeds up to 250Kbps  Plug-and-Play and Hot Swap Support  Windows certified (WHQL) drivers  Compliant with USB Rev 20 Full-Speed specification  Supports USB transfer speeds up to 12Mbps  Supports remote wake-up from Modem input signals and USB power management  USB powered; No external power adaptors needed  3ft cable lengthCable Colour GreyCable Length 0914 mConnector Type 1 x USB A Male • 1 x DB9 MaleForm Factor CableOperating Humidity 0 to 90 Operating Temperature 0 to 60 °CProduct Type Serial CableWarranty 2 Years