The ADAM-4561-CE is a multi-purpose Ethernet module manufactured by Advantech. It features 4-port serial to Ethernet conversion, enabling industrial devices to be readily connected to Ethernet networks without external converters. It also features several connectivity options, such as 10/100Mbps auto-sensing, full/half duplex, Modbus TCP, and HTTP server mode. The ADAM-4561-CE also includes an extended temperature range, to ensure it can reliably operate in extreme environments.