W&T connects
Interfaces for TCP/IP, Ethernet, RS-232, RS-485, USB, 20mA, glass and plastic fiber optic cable, http, SNMP, OPC, Modbus TCP, I/O digital, I/O analog, ISA, PCI
Product overview:

TCP/IP-Ethernet <> Serial

Universal network integration of serial interfaces

Standard industry solutions

Low Cost model

AT Model - TCP/IP instead of analog/ISDN network

Special solutions

Additional products

Software tools