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 Extender Set

Model 17633, 17634, 17635

Date Changes and comments Manual revision
April 22, 2015 Digital I/O Extender Set 8x8, singlemode SC, model 17635 added
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January 25, 2012 Graphical corrections for print output
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August 19, 2009 Digital I/O Extender Set 8x8, multimode ST, model 17634 added
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April 16, 2007 Digital-I/O Extender Set 2x2, Model 17633
all device revisions
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