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:

Accessories

Tools and expansions for W&T devices


Sensors and actuators for Web-IO devices

Cables, Connectors, Power Supplies and Enclosures

Interface Modules