In summary, Advantech's EKI-1511 series focuses on the entry level device server market by providing an economical solution. The EKI-1511 is designed to connect RS-232 or RS-422/485 serial devices such as PLCs, meters, sensors, and barcode readers to an IP-based Ethernet LAN. This allows nearly any device with a serial port to connect and share an Ethernet network while also providing various operations such as COM port redirection (virtual COM port), TCP server, TCP client, and UDP mode. With COM port redirection mode, standard serial operation calls are transparently redirected to the servers, guaranteeing compatibility with legacy serial devices and enabling backward compatibility with existing software. With TCP server, TCP client, and UDP modes, the EKI-1511 series ensures compatibility with network software using a standard network API. Serial devices can communicate with other devices via peer-to-peer, thus eliminating the need for an intermediate host PC and any software programming.