... advanced features such as such as flexible operation mode, TCP/UDP multicasting, telnet COM port control protocol support (RFC2217 ... /485 based serial devices, up to 230Kbps speed. Flexible TCP/UDP host mode support : Multiple host connection/data transfer ... - Modem controls: DTR/DSR, DCD and RTS/CTS Network Protocols TCP, IP, UDP, Telnet, DHCP, ICMP, HTTPEnbeddedNucleus ManagementSerial Console, ...