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:

RS232 intelligent T-switch

Model 85212

Date Changes and comments Manual revision
October 01, 1998 RS232 intelligent T-Switch, type 85212
all device revisions
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