IEI Integration AFL-F08A v1.01 - Manual (Page 36)

AFL-F08A Panel PC
Page 24
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 Table 3-8
Jumper Location: See 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 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 Figure 3-10.
Figure 3-10: COM3 RX Function Select Jumper Location