... to Ethernet converter 2. Support TCP, UDP 3. support 1/2/4/8 channel(s) of RS232/485/422 4. 10M/100M Ethernet ... How to get and purchase the samples? support small ... channel(s) of RS232/RS485/RS422 serial ports and 10/100M Ethernet ports, and two models are ... half-duplex and adaptive modes;It can support multiple protocols: ETHERNET, ARP, IP, ICMP, IGMP, UDP, TCP, ...