Ethernet to serial device server providing access to one RS232 and one RS422/485 serial port. Up to 230,400 data transfer rates, coupled with 1Mbit/s line drivers deliver uncompromising performance. The ES range provides a simple, instant cable replacement providing network integration. RS485 - 2 wire 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.