ITEM NAME:USB to RS232 Serial 9 Pin DB9 Cable Adapter Convertor C9S2 USB to RS232 Serial 9 Pin DB9 Cable Adapter Convertor C9S2 Provide a simple and convenient way to connect any USB ports and serial devices with 9-Pin RS232 interface Your fast solution to utilize the peripheral with serial or parallel port in an easy-to-use environment such as plug-n-play and hot swap function Used to connect a parallel interface printer to a USB port on a PC to allow high-speed printing Support remote wake-up and power management USB specification revision 1.1 and 2.0 compliant Support 9 pin RS-232 serial interface DB9 Over 1 Mbps data transfer rate USB bus.Support 9 pin RS-232 serial interface DB9. Provide a simple and convenient way to connect any USB ports and serial devices with 9-Pin RS232 interface. USB bus powered and fully speed communication. Used to connect a parallel interface printer to a USB port on a PC to allow high-speed printing.