StarTech.com 2 Port Serial-to-IP Ethernet Device Server - RS232 - Metal and Mountable - Serial Device Server - RS232 Serial-Over-IP (NETRS2322P)
plplaaoo Ethernet Serial Server RS485 to 4G DTU Rail Mounting CAT1 5 Mode 13 Frequency 9 50V DC Industrial Grade Network Serial Device for Remote IoT Applications
Spryflower HF 5111B Serial Server, 3 in 1 RJ45 RS232/RS485/RS422 to Ethernet Serial Device Server, High Speed Data Transmission up to 921600 bps, Support/IP/Telnet/Modbus Protocol,
HF 5142B Serial Server, 4 Port RS232/485/422 to Ethernet Converter, Industrial Grade Serial Device Server with Wide Voltage 5 36V, High Baud Rate 600bps 230.4Kbps for Access
HF 2111 GPRS Serial Device Server, Industrial Serial to RS232/422/485 Converter, TCP/UDP Network Protocol with 4 Frequency Bands, DC9 36V Power Supply for Remote Data Transmission
HF 5142B Serial Server, 4 Port RS232/485/422 to Ethernet Converter, Industrial Grade Serial Device Server with Wide Voltage 5 36V, 4KV Protection for Industrial Control and A