User Manual

AFL2-W15A-N270 Panel PC
Page 26
Table 2-8: COM3 RS-232/422/485 Serial Port Select Jumper Settings
The COM3 RS-232/422/485 Serial Port Select jumper location is shown in Figure 2-15.
Figure 2-15: COM3 RS-232/422/485 Serial Port Select Jumper Location
2.7.8 COM3 TX Function Select Jumper
Jumper Label: JP11
Jumper Type:
6-pin header
Jumper Settings:
See
Table 2-9
Jumper Location:
See
Figure 2-16
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
Table 2-9.
JP11 Description
Short 1 – 3 RS-422 TX-
Short 2 – 4 RS-422 TX+
Short 3 – 5 RS-485 D-