IEI Integration AFL-F08A v2.21 - Manual (Page 37)

AFL-F08A-N270 Panel PC
Page 25
Pin 2 Data+
Table 3-7: RS-485 Pinouts
3.7.6 COM3 RX Function Select Jumper
Jumper Label: JP9
Jumper Type: 8-pin header
Jumper Settings: See
5
Table 3-8
Jumper Location: See
5
Figure 3-10
The COM3 RX Function Select jumper sets the communication protocol used by the RX
serial communications port COM3 as RS-232, RS-422 or RS-485. The COM3 RX
Function Select jumper settings are shown in
5
Table 3-8 .
COM3 RX Function Select Description
Short 3-4 RS-232 Default
Short 1-2, 5-6 RS-422
Short 1-2, 7-8 RS-485
Table 3-8: COM3 RX Function Select Jumper Settings
The COM3 RX Function Select jumper location is shown in
5
Figure 3-10 .
Figure 3-10: COM3 RX Function Select Jumper Location