... 485/422 converters2. Single chip(ASIC) USB port to serial port communication3. Support Windows98/ME and Windows2000/XP ... power input5. No IRQ, I/O Address6. Support USB2.0, baud rate can reach up to 12Mbps7. 15KV ESD protectionSpecifications:USBCompliance ... 1200mInterface protection: 1500W surge protection,15KV ESD protectionBaud rate: 300bps to 230400bpsParity: None, Even, Odd, Space, MarkData bits: 7 ...