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
Current manuals:

Digital I/O Com-Server, 12I/12O

Date Changes and comments Manual revision
July 01, 1998 Digital I/O Com-Server, 12I/12O,
all device revisions
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