1 com3 rs-422 and rs-485 pinouts, Table 2-9: com3 tx function select jumper settings, Table 2-10: rs-422 pinouts – IEI Integration AFL2-W15A-N270 v2.00 User Manual
Page 39: Table 2-11: rs-485 pinouts, See table 2-9, See figure 2-16, Table 2-9
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AFL2-W15A-N270 Panel PC
Page 27
Short 4 – 6
RS-485 D+
Table 2-9: COM3 TX Function Select Jumper Settings
The COM3 TX Function Select jumper location is shown in Figure 2-16 below.
Figure 2-16: COM3 TX Function Select Jumper Location
2.7.8.1 COM3 RS-422 and RS-485 Pinouts
The pinouts for RS-422 and RS-485 operation of external serial port COM 3 are detailed
below.
COM 3
RS-422 Description
Pin 1
TX-
Pin 2
TX+
Pin 6
RX-
Pin 7
RX+
Table 2-10: RS-422 Pinouts
COM 3
RS-485 Description
Pin 1
Data-
Pin 2
Data+
Table 2-11: RS-485 Pinouts
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