The CE-USB device is a fully integrated, USB-powered, USB2.0-to-RS232 adapter, packaged in a DB-9 form factor shell. It is designed to add a USB interface to legacy serial products without hardware or software redesign requirements. The product can be used in embedded devices and systems, security systems, cable boxes, test equipment, and other electronics applications where the use of an RS-232 device is specified or in use. It only requires a USB cable to connect it from the computer to the target system. Existing COM port applications can be used to transfer data via a PC’s USB port, with zero software changes.