StarTech.com USB Adaptor Cables - StarTech.com ICUSB232DB25, This ICUSB232DB25 USB to RS232 DB9/DB25 Serial Adaptor Cable (M/M) from StarTech.com 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. The integrated 0.9m cable allows connection directly from the serial device to the computer without requiring additional cables.A cost-effective solution that bridges the compatibility gap between modern computers and legacy serial peripherals, this high quality USB/RS232 Serial Adaptor cable includes a DB-9 to DB-25 adaptor for connection to varied serial equipment and is backed by a 2-year warranty and free lifetime technical support. StarTech.com ICUSB232DB25 USB To RS232 DB9/DB25 Serial Adapter Cable - M/M