Model	Photo	Interface
Low cost M0 Serial to Ethernet converter DHCP, DNS, httpsD Client, Webpage
USR-TCP232-302		RS232
USR-TCP232-304		RS485
USR-TCP232-306		RS232/RS485/RS422
Industrial M4 Serial to Ethernet Converter Modbus RTU to Modbus TCP, Websocket, Web to Serial, Flow Control
USR-TCP232-410s		RS232&RS485 *1
USR-N510		RS232/RS485/RS422 *1
USR-N520		RS232/RS485/RS422 *2
USR-N540		RS232/RS485/RS422 *4
USR-N668		RS232/RS485/RS422 *8
Low cost Serial to Ethernet converter DHCP, DNS, httpsD Client, Webpage
USR-TCP232-T2		Pin type, 1x UART
USR-TCP232-S2		SMD,       1x UART
USR-K6		Pin type,  1 x UART
Industrial Serial to Ethernet Converter Modbus RTU to Modbus TCP, Websocket, Web to Serial, Flow Control
USR-TCP232-E2		Pin type, 2 x UART
USR-TCP232-ED2		Pin type, 3 x UART
USR-K7		Pin type, 1 x UART