WIZ550SR-EVB is a evaluation board for WIZ550SR.
WIZ550SR is the serial to Ethernet module using W5500 & Cortex M3 MCU.
WIZ550SR is the protocol converter that transmits the data sent by a serial
equipment as TCP/IP data type, and converts back the TCP/IP data received
through the network into serial data to transmit back to a serial equipment.