... Features: 1. USB to 4-port RS-485/422 converters2. Single chip(ASIC) USB port to serial port communication3. Support ... -485, RS-422Number of Ports: 4Connectors: DB9 maleRS-422 signal: TX+(A), TX-(B), RX+(A), RX ... protection: 1500W surge protection,15KV ESD protectionBaud rate: 300bps to 230400bpsParity: None, Even, Odd, Space, MarkData bits: ... -04-24 04:59:54 USB to 4 Port RS485/422 Converter-USB4485