<![CDATA[EC21 Product Catalogs - linux software]]> <![CDATA[ARMxy ETH, 4G, 2 X A7, 256M+128M, 2RS485, 8DI, 4DO, 4AI, 4AO for Equipment Control]]> <![CDATA[Double Serial Device RS232 RS485 RS422 Ethernet Server Modbus Multi-host Polling]]> <![CDATA[mRTU (multifunctional Remote Terminal Unit)]]>