Lantronix 1-Port Serial (RS232/ RS422/ RS485) to Ethernet Industrial Device Server Supporting Modbus (TCP; ASCII; RTU)
Lantronix XDT2321002-01-S Xdirect Compact 1-Port Secure Serial to IP Ethernet - Device Server
LANTRONIX UD1100001-01 Device Server 1PRT 10/100 RS232/422/485
UD2100002-01 Device Server 2PRT 10/100 RS232/422/485 Intl Ps
