This USB (Universal Serial Bus) to Serial Converter allows any modern USB (Universal Serial Bus) equipped computer to connect to devices equipped with 25 Way serial RS-232 ports. Ideal for EPOS, process control, lab equipment etc. Technical Specifications RS232 Serial Connector 25 Way D Male to USB (Universal Serial Bus) A Male Cable length: appr. 1.5m Prolific Chipset: PL-2303HX Connects any standard serial device via USB (Universal Serial Bus) Plug & Play, USB (Universal Serial Bus) 1.1 interface, USB (Universal Serial Bus) 2.0 compliant RS232 compliant up to 128k Bit/s RS232 data transfer speed, stop bit, parity, 7/8 bit user selectable Supports Remote Wake-up & Power Management USB (Universal Serial Bus) Bus powered with no external power supply required No IRQ, I/O address or DMA memory address requirements