MODEL 1000 SEP 2005
INSTALLATION AND SETUP
3-45
(5) Choose an available serial port on the TB that is configured for RS-422 or RS-485 serial
protocol, and connect the twisted pair cable from the line driver. (See Appendix A, this
manual, for example connection.) (Also see Section 3.4.4, this manual for list of ports and
terminals assigned to serial communications.)
When the unit has the COM4A Board installed, COM8 is used for the display/keyboard.
However, if the unit does not have the COM4A Board installed, the display/keyboard uses
COM4 and it must be RS-232. Therefore, there is no COM4 output on the Field Termination
Board.
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