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RS-232Figure 4-29:
RS-422 (Full Duplex/4-Wire)Figure 4-30:
RS-485 (Half Duplex/2-Wire)Figure 4-31:
Therefore, if you want to set Port 1 to RS-232 mode, you would set channel “2” on
SW13 to the down position.
9. To learn the location of a switch on the Base I/O board, consult Figure 4-32:
Operation and maintenance
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