StarTech.com 2 Port Serial-to-IP Ethernet Device Server - RS232 - Metal and Mountable - Serial Device Server - RS232 Serial-Over-IP (NETRS2322P)
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 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
HF - 5142B Serial Server, 4 - Port RS232/485/422 to Ethernet Converter, Industrial Grade Serial Device Server with Watchdog Circuit, Anti - Protection for Industrial Control
HF 5142B Serial Server, 4 Port RS232/485/422 to Ethernet Con, Industrial Grade Serial Device Server with Wide Voltage 5 36V, Baud Rate up to 921600bps, for Access