4 port RS232 RS485 RS422 to Ethernet TCP IP Converter Modbus RTU TCP Gateway Serial device server ZLAN5443A
Serial Converter Mqtt Tcp Ip Iot Modbus Gateway Two-way Transparent RS232 RS485 to Ethernet device Server
PUSR K2/K3 TTL to Ethernet Embedded TCP/IP Module 10/100 Mbps Ethernet Port Support Hardware Flow Control Modbus Gateway
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