Ethernet to serial device server provides access to four RS422/485 serial ports. Data transfer rates up to 1,000,000 baud rates, coupled with 1 Mbps line drivers deliver uncompromising performance. The ES range provides simple instant networked serial ports. RS485 - 1 twisted pair - half duplex configuration with autogating provides trouble free data transmission due to automatic control of data direction. A web interface allows secure configuration and control of the serial ports over a local network or the Internet using any browser.