User Manual

AFL-W19A/W19B/17D/W15A-N270 Panel PC
Page 25
Figure 2-12: COM3 TX Function Select Jumper Pinout Locations
2.5.8 COM3 RS-232/422/485 Serial Port Select Jumper
Jumper Label: JP10
Jumper Type:
12-pin header (four 3-pin headers combined)
Jumper Settings:
See
Table 2-10
Jumper Location:
See
Figure 2-13
The COM3 RS-232/422/485 Serial Port Select jumper sets the communication protocol
used by the second serial communications port (COM3) as RS-232, RS-422 or RS-485.
The COM3 RS-232/422/485 Serial Port Select settings are shown in
Table 2-10.
RS-232/485 Select Description
Short 1-2 RS-232
Short 4-5 RS-232
Short 7-8 RS-232
Short 10-11 RS-232
Short 2-3 RS-422/485