Figure 1-2 Com1 Termination Headers (E13, E14, E17); Table 1-7 Com1 Configuration (Rs232/Rs422 Select) - Header (E13, E14, E17) - GE V7768 Hardware Reference Manual

24 V7768/V7769 Hardware Reference Manual

Table 1-7 COM1 Configuration (RS232/RS422 Select) - Header (E13, E14, E17)

Select
RS232
RS422 w/Termination
RS422 w/o Termination

Figure 1-2 COM1 Termination Headers (E13, E14, E17)

E13
E17
1 3 5 1 3
RS232
E13 Position E14 Position
In 3-5, 4-6
Out 1-3, 2-4
Out 1-3, 2-4
E13
E17
1 3 5 1 3
RS422 w/Termination
E17 Position
Both Out
1-2, 3-4
Both Out
E13
E17
1 3 5 1 3
RS422 w/o Termination