... 3.Standard TCP/IP interface and versatile mode GQ-SPS02 2-port RS-232/422/485 Serial- to- Ethernet Device ServersIntroduction GQ ... connection devices to an IP based Ethernet LAN. The serial port can be configured as Virtual COM,Serial tunnel, TCP server ... Bits: 5, 6, 7, 8 Stop Bits: 1, 1.5, 2 Parity: None, Even, Odd, Space, Mark Flow Control: RTS/CTS ...