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24 V7768/V7769 Hardware Reference Manual
Figure 1-2 COM1 Termination Headers (E13, E14, E17)
Table 1-7 COM1 Configuration (RS232/RS422 Select) - Header (E13, E14, E17)
Select
E13 Position
E14 Position
E17 Position
RS232
In
3-5, 4-6
Both Out
RS422 w/Termination
Out
1-3, 2-4
1-2, 3-4
RS422 w/o Termination
Out
1-3, 2-4
Both Out
E14
E13
E17
1 3 5 1 3
E14
E13
E17
1 3 5 1 3
E14
E13
E17
1 3 5 1 3
RS232
RS422 w/Termination
RS422 w/o Termination