This USB 2.0 to 9pin RS232 adapter provides a simple interface between a computer and devices that use a RS232 serial port. Key features and benefits Function: Converts a USB 2.0 host port to a 9pin RS232 serial interface for serial communication with RS232 devices Compatibility: Designed to work with devices that have a 9pin RS232 serial interface and a USB 2.0 capable computer Size and form factor: Compact housing measuring 67 x 37 x 17 mm for easy portability and desktop use Color: Blue for easy identification Quality and reliability: 100% brand and Performance: Supports standard RS232 signaling via a USB 2.0 connection Specifications Color: Blue Plug Type: USB 2.0 to 9 Pin Male RS232 Size: 67 x 37 x 17 mm Brand status: 100% Brand and Use scenarios Connect legacy RS232 devices such as barcode scanners, receipt printers, or modems to a modern computer via USB 2.0 Access the serial console of network equipment or embedded systems that provide a 9pin RS232 serial interface Set up and maintain industrial, lab, or testing equipment that uses RS232 communication with a USB host PC