... rs232 to rj45 2. Support TCP, UDP 3. support 2 channel of RS232/485/422 4. 10M/100M Ethernet How to get ... and purchase the samples? support small wholesale and retail If you want to quickly ... 1/2/4/8 channel(s) of RS232/RS485/RS422 serial ports and 10/100M Ethernet ports, ... -duplex and adaptive modes;It can support multiple protocols: ETHERNET, ARP, IP, ICMP, IGMP, UDP, TCP, ...