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:

RS422 isolator 50kV

Type 66050

Date Changes and comments Manual revision
June 13, 2002 RS422 isolator 50kV
all device revisions
PDF download