IEI Integration AFL-F08A v2.21 - Manual (Page 38)

AFL-F08A-N270 Panel PC
Page 26
3.7.7 COM3 TX Function Select Jumper
Jumper Label: JP11
Jumper Type: 6-pin header
Jumper Settings: See
5
Table 3-9
Jumper Location: See
5
Figure 3-11
The COM3 TX Function Select jumper configures the TX pin on COM3 serial port
connector as RS-422 as an RS-485. The COM3 TX Function Select jumper selection
options are shown in
5
Table 3-9 .
COM3 TX Function Select Description
Short 1 – 3 RS-422 Default
Short 2 – 4 RS-422 Default
Short 3 – 5 RS-485
Short 4 – 6 RS-485
Table 3-9: COM3 TX Function Select Jumper Settings
The COM3 TX Function Select jumper location is shown in
5
Figure 3-11 below.
Figure 3-11: COM3 TX Function Select Jumper Pinout Locations